Separation Of Paraffin From Oil (e.g., Dewaxing) Patents (Class 208/28)
-
Patent number: 11667853Abstract: Processes for converting methane and/or other hydrocarbons to synthesis gas (i.e., a gaseous mixture comprising H2 and CO) are disclosed, in which at least a portion of the hydrocarbon(s) is reacted with CO2. At least a second portion of the methane may be reacted with H2O (steam), thereby improving overall thermodynamics of the process, in terms of reducing endothermicity (?H) and the required energy input, compared to “pure” dry reforming in which no H2O is present. Such dry reforming (reaction with CO2 only) or CO2-steam reforming (reaction with both CO2 and steam) processes are advantageously integrated with Fischer-Tropsch synthesis to yield liquid hydrocarbon fuels. Further integration may involve the use of a downstream finishing stage involving hydroisomerization to remove FT wax.Type: GrantFiled: July 14, 2020Date of Patent: June 6, 2023Assignee: GTI EnergyInventors: Terry Marker, Martin B. Linck, Jim Wangerow, Pedro Ortiz-Toral
-
Patent number: 11083749Abstract: Methods and compositions are disclosed for treating an area of the skin of a patient, e.g., an itch, insect bite or sting, inflammation, pain or irritation, by applying to said area of the skin an effective amount of a siliceous molecular sieve adsorbent to treat the condition.Type: GrantFiled: March 13, 2020Date of Patent: August 10, 2021Assignee: SORPTION THERAPEUTICS, LLCInventor: Anthony Joseph Gioffre
-
Patent number: 10738247Abstract: Processes for converting methane and/or other hydrocarbons to synthesis gas (i.e., a gaseous mixture comprising H2 and CO) are disclosed, in which at least a portion of the hydrocarbon(s) is reacted with CO2. At least a second portion of the methane may be reacted with H2O (steam), thereby improving overall thermodynamics of the process, in terms of reducing endothermicity (?H) and the required energy input, compared to “pure” dry reforming in which no H2O is present. Such dry reforming (reaction with CO2 only) or CO2-steam reforming (reaction with both CO2 and steam) processes are advantageously integrated with Fischer-Tropsch synthesis to yield liquid hydrocarbon fuels. Further integration may involve the use of a downstream finishing stage involving hydroisomerization to remove FT wax.Type: GrantFiled: November 15, 2017Date of Patent: August 11, 2020Assignee: Gas Technology InstituteInventors: Terry Marker, Martin B. Linck, Jim Wangerow, Pedro Ortiz-Toral
-
Patent number: 9956541Abstract: Methods are provided herein for separating an aromatic compound from a lube base stock by contacting a lube base stock containing an aromatic compound with an organosilica material.Type: GrantFiled: December 11, 2015Date of Patent: May 1, 2018Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Scott J. Weigel, Lei Zhang, Quanchang Li, Darryl Donald Lacy, Paul Podsiadlo, David Charles Calabro, Bal Kaul, James William Gleeson
-
Patent number: 8999901Abstract: Provided for are lubricant base stocks with improved filterability. The lubricant base stock includes a bright stock and an effective amount of a heavy neutral. The filterability of the base stock as measured by the Membrane Filtration Method is less than or equal to 400 seconds. Also provided for are lubricating oils with improved filterability and methods of improving the filterability of lubricant base stocks.Type: GrantFiled: March 12, 2013Date of Patent: April 7, 2015Assignee: ExxonMobil Research and Engineering CompanyInventors: Kristen Amanda Lyon, Charles L. Baker, Jr., Serge Riffard
-
Patent number: 8980803Abstract: Provided for are lubricant base stocks with improved filterability. The lubricant base stock includes a bright stock or a heavy neutral and an effective amount of a pour point depressant. The filterability of the base stock as measured by the Membrane Filtration Method is less than or equal to 400 seconds. Also provided for are lubricating oils with improved filterability and methods of improving the filterability of lubricant base stocks.Type: GrantFiled: March 12, 2013Date of Patent: March 17, 2015Assignee: ExxonMobil Research and Engineering CompanyInventors: Kristen Amanda Lyon, Charles L. Baker, Jr., Serge Riffard
-
Patent number: 8864975Abstract: Integrated hydroprocessing methods using high activity, low density catalysts are provided. The high activity catalysts allow for lower temperature operation, which reduces catalyst degradation, while the low density of the catalysts means a corresponding reduction in the amount of metal needed to fill a reactor volume. The methods allow for flexible processing of feedstocks with a variety of wax contents.Type: GrantFiled: June 13, 2008Date of Patent: October 21, 2014Assignee: Exxonmobil Research and Engineering CompanyInventors: Darden Sinclair, Michel Daage, Charles J. Mart, Louis Burns, Timothy L. Hilbert
-
Patent number: 8864976Abstract: Integrated hydroprocessing methods using high activity, low density catalysts are provided. The high activity catalysts allow for blocked operation when processing lube range feedstocks of widely varying characteristics, such as wax content, without having to substantially change the configuration or operating conditions of the process train. Instead, the different feedstocks can be accommodated by varying the reaction temperature in the process train.Type: GrantFiled: June 13, 2008Date of Patent: October 21, 2014Assignee: ExxonMobil Research and Engineering CompanyInventors: Darden Sinclair, Michel Daage, Charles J. Mart, Louis Burns, Timothy L. Hilbert
-
Patent number: 8758596Abstract: A first hydroisomerization catalyst contains a support being a extruded product prepared by calcination having a thermal treatment that includes thermally treating at 350° C. or more and at least one metal supported on the support and selected from the group consisting of metals belonging to Groups 8 to 10 of the periodic table, molybdenum and tungsten, wherein the support contains (a1) a calcined zeolite prepared by calcination having a thermal treatment that includes thermally treating at 350° C. or more of an ion-exchanged zeolite obtained by ion exchange of an organic template-containing zeolite containing an organic template and having a 10-membered ring one-dimensional porous structure in a solution containing ammonium ions and/or protons, and (b1) a calcined inorganic oxide prepared by calcination having a thermal treatment that includes thermally treating at 350° C.Type: GrantFiled: December 25, 2009Date of Patent: June 24, 2014Assignee: JX Nippon Oil & Energy CorporationInventors: Kazuaki Hayasaka, Motoya Okazaki, Mayumi Yokoi
-
Patent number: 8658018Abstract: A lubricant base oil blend having a wt % Noack volatility less than 29, comprising a) a light base oil fraction having a kinematic viscosity at 100° C. between 1.5 and 3.6, and a wt % Noack volatility both between 0 and 100 and less than a Noack Volatility Factor, and b) a petroleum-derived base oil fraction. A process to make the lubricant base oil blend having a wt % Noack volatility less than 29. Also, a pour point depressed lubricant base oil blend having a Brookfield viscosity at ?40° C. of less than 18,000 cP, comprising the light base oil fraction, a petroleum-derived base oil fraction, and a pour point depressant.Type: GrantFiled: December 20, 2006Date of Patent: February 25, 2014Assignee: Chevron U.S.A. Inc.Inventors: John M. Rosenbaum, Nancy J. Bertrand, Scott C. Deskin, Brent K. Lok, Shuibo Xie, Stephen J. Miller
-
Patent number: 8597611Abstract: A new family of crystalline aluminosilicate zeolites has been synthesized designated UZM-45. These zeolites are represented by the empirical formula. Mmn+Rrp+Al(1-x)ExSiyOz where M is an alkali, alkaline earth, or rare earth metal such as lithium and strontium, R is an organoammonium cation such as the choline cation and E is a framework element such as gallium. These zeolites are characterized by unique x-ray diffraction patterns and compositions and have catalytic properties for carrying out various hydrocarbon conversion processes.Type: GrantFiled: June 29, 2011Date of Patent: December 3, 2013Assignee: UOP LLCInventors: Gregory J. Lewis, Mark A. Miller
-
Patent number: 8524069Abstract: The invention below shows a preferred method to make high quality base oil at unexpectedly high yields using a combination of hydrotreatment of high waxy feedstocks accompanied by hydroisomerization of the resulting wax to produce an extra high VI lube of greater than 140VI and at least ?18 deg C. pour point or less. The preferred combinations of conditions identified below can surprisingly lead to unexpectedly high yields. This allows the use of higher oil content (or lower wax content) feedstocks.Type: GrantFiled: February 20, 2009Date of Patent: September 3, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: Eric D. Joseck, Timothy Lee Hilbert, Merryl J. Miranda, Jeenok Theresa Kim, Michael Brian Carroll, Bryan E. Steuer
-
Patent number: 8500991Abstract: A process is described of producing an MTT framework type molecular sieve by crystallizing a mixture capable of forming said molecular sieve, wherein the mixture comprises sources of alkali or alkaline earth metal (M), an oxide of trivalent element (X), an oxide of tetravalent element (Y), water and a directing agent (R) of the formula (CH3)3N+CH2CH2CH2N+(CH3)2CH2CH2CH2N+(CH3)3, and has a composition, in terms of mole ratios, within the following ranges. YO2/X2O3 less than 45 H2O/YO2 5 to 100 OH?/YO2 0.05 to 0.5 M/YO2 0.05 to 0.5 and R/YO2 >0 to <0.5.Type: GrantFiled: December 8, 2009Date of Patent: August 6, 2013Assignee: Exxonmobil Research and Engineering CompanyInventors: Wenyih F. Lai, Christine N. Elia
-
Patent number: 8394256Abstract: The present invention is a process for removing waxy haze from and improving the filterability of base stocks including heavy mineral oil base stocks, gas-to-liquids (GTL) and hydrodewaxed or hydroisomerized waxy feed basestocks by filtering the waxy haze causing particles out of the base stock employing a filter characterized by a high surface area of pores accessible to the haze wax particles which have particles dimensions of no more than about 5 microns.Type: GrantFiled: October 13, 2009Date of Patent: March 12, 2013Assignee: Exxonmobil Research and Engineering CompanyInventors: James W. Gleeson, Eric B. Sirota, Charles L. Baker, Dennis A. Gaal, David Mentzer, John E. Gallagher, Jr., Min Chang, Norman G. Cathcart, Stephen A. Geibel, Mark F. Hurwitz, Tore H. Lindstrom, Michael B. Whitlock
-
Patent number: 8394255Abstract: An integrated process for producing naphtha fuel, diesel fuel and/or lubricant base oils from feedstocks under sour conditions is provided. The ability to process feedstocks under higher sulfur and/or nitrogen conditions allows for reduced cost processing and increases the flexibility in selecting a suitable feedstock. The sour feed can be delivered to a catalytic dewaxing step without any separation of sulfur and nitrogen contaminants, or a high pressure separation can be used to partially eliminate contaminants. The integrated process includes an initial hydrotreatment, hydrocracking, catalytic dewaxing of the hydrocracking effluent, and an option final hydrotreatment.Type: GrantFiled: December 23, 2009Date of Patent: March 12, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: Stephen J. McCarthy, Gary Paul Schleicher, Krista Marie Prentice, Michel Daage, Christopher Gordon Oliveri, Thomas Francis Degnan, José Guadalupe Santiesteban, Ajit Bhaskar Dandekar, William Joseph Novak, Wenyih F. Lai
-
Patent number: 8377286Abstract: An integrated process for producing diesel fuel from feedstocks, including diesel fuel production under sour conditions, is provided. The ability to process feedstocks under higher sulfur and/or nitrogen conditions allows for reduced cost processing and increases the flexibility in selecting a suitable feedstock. In addition to the benefits in sour service, the process also returns to clean service activity levels more quickly.Type: GrantFiled: December 15, 2009Date of Patent: February 19, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: Christopher Gordon Oliveri, Timothy Lee Hilbert, William Jospeh Novak, Stephen John McCarthy
-
Patent number: 8372263Abstract: A hydroisomerization catalyst according to the present invention is obtained by calcining a catalyst composite including an ion-exchanged molecular sieve or a calcined material thereof which is obtained by performing ion exchange of a molecular sieve containing an organic template in a solution containing a cation species and using water as a main solvent and at least one metal which is selected from a group consisting of metals belonging to Groups 8-10 of the Periodic Table of the Elements, molybdenum, and tungsten supported on the ion-exchanged molecular sieve or a calcined material thereof.Type: GrantFiled: January 31, 2008Date of Patent: February 12, 2013Assignee: Nippon Oil CorporationInventor: Kazuaki Hayasaka
-
Patent number: 8366908Abstract: An integrated process for producing lubricant base oils from feedstocks under sour conditions is provided. The ability to process feedstocks under higher sulfur conditions allows for reduced cost processing and increases the flexibility in selecting a suitable feedstock. The sour feed can be delivered to a catalytic dewaxing step without any separation of sulfur and nitrogen contaminants, or a high pressure separation can be used to partially eliminate contaminants.Type: GrantFiled: December 23, 2009Date of Patent: February 5, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: Krista Marie Prentice, Gary Paul Schleicher, Lei Zhang, Timothy Lee Hilbert, Michel A. Daage, Sylvain Hantzer, Wenyih F. Lai, David Mentzer, William Francis Heaney, Christine Nicole Elia, Shifang Luo, Stephen J. McCarthy, Mohan Kalyanaraman
-
Patent number: 8298403Abstract: A process for dewaxing a waxy component-containing hydrocarbon feedstock comprises contacting the feedstock under dewaxing conditions with a catalyst system comprising ZSM-48 and a molecular sieve of the MTT framework type.Type: GrantFiled: December 8, 2009Date of Patent: October 30, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Christine N. Elia, Wenyih F. Lai
-
Patent number: 8236168Abstract: An apparatus and method for determining at least one of the temperatures at which a petroleum product will manifest delayed haze and the temperature at which haze will not exist in the product is provided. The apparatus comprises a container for holding a sample of the product, a light source, light detector, heaters and coolers combined with microprocessor means for storing and analyzing at least one of light transmitted or scattered by the sample. Measurements are useful in determining the haze properties of the product and also for controlling a dehazing process to meet target haze properties.Type: GrantFiled: October 13, 2009Date of Patent: August 7, 2012Assignee: Exxonmobil Research and Engineering CompanyInventors: Eric B. Sirota, James W. Gleeson, Marykathryn Lee
-
Patent number: 8029661Abstract: The determination of wax crystal particle size and population is used to monitor the performance of wax crystallizers used in lubricant oil processing using solvent dewaxing. The wax crystal particle size is monitored using online measurements. The information obtained from on-line monitoring is then used to control crystallization in the dewaxing equipment in order to optimize performance of the dewaxing units.Type: GrantFiled: October 19, 2007Date of Patent: October 4, 2011Assignee: ExxonMobil Research and Engineering CompanyInventors: Thomas R. Palmer, Brent E. Beasley, David S. Sinclair
-
Patent number: 7972497Abstract: A process to prepare a heat transfer oil, comprising: a. dewaxing a substantially paraffinic wax feed by hydroisomerization dewaxing using a shape selective intermediate pore size molecular sieve under hydroisomerization conditions including a defined hydrogen to feed ratio, whereby a lubricating base oil is produced, b. selecting one or more fractions of the lubricating base oil having: i. a low pour point, ii. greater than 10 weight percent and less than 70 weight percent total molecules with cycloparaffinic functionality, wherein the one or more fractions have at least 31.2 wt % 1-unsaturations by FIMS, and iii. a ratio of weight percent molecules with monocycloparaffinic functionality to weight percent molecules with multicycloparaffinic functionality greater than 15; and c. blending the one or more fractions of the lubricating base oil with less than 0.2 wt % antifoam agent to prepare the heat transfer oil of a defined ISO viscosity grade.Type: GrantFiled: July 16, 2009Date of Patent: July 5, 2011Assignee: Chevron U.S.A. Inc.Inventors: Ravindra Shah, John M. Rosenbaum, Nancy J. Bertrand
-
Publication number: 20110119992Abstract: The present invention relates to novel interstitial metal hydrides and catalyst containing interstitial metal hydrides that are resistant to oxidation and resultant loss of catalytic activity. The processes of the present invention include use of these improved, oxidation resistant interstitial metal hydride compositions for improved overall hydrogenation, product conversion, as well as sulfur reduction in hydrocarbon feedstreams.Type: ApplicationFiled: November 17, 2010Publication date: May 26, 2011Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Faiz Pourarian, Marc A. Portnoff, David A. Purta, Margaret A. Nasta, Jingfeng Zhang, Gordon F. Stuntz, Jonathan M. McConnachie, Heather A. Elsen, Patricia A. Bielenberg
-
Publication number: 20110083995Abstract: The present invention is a process for removing waxy haze from and improving the filterability of base stocks including heavy mineral oil base stocks, gas-to-liquids (GTL) and hydrodewaxed or hydroisomerized waxy feed basestocks by filtering the waxy haze causing particles out of the base stock employing a filter characterized by a high surface area of pores accessible to the haze wax particles which have particles dimensions of no more than about 5 microns.Type: ApplicationFiled: October 13, 2009Publication date: April 14, 2011Inventors: James W. Gleeson, Eric B. Sirota, Charles L. Baker, Dennis A. Gaal, David Mentzer, John E. Gallagher, JR., Min Chang, Norman G. Cathcart, Stephen A. Geibel, Mark F. Hurwitz, Tore H. Lindstrom, Michael B. Whitlock
-
Publication number: 20110083994Abstract: An apparatus and method for determining at least one of the temperatures at which a petroleum product will manifest delayed haze and the temperature at which haze will not exist in the product is provided. The apparatus comprises a container for holding a sample of the product, a light source, light detector, heaters and coolers combined with microprocessor means for storing and analyzing at least one of light transmitted or scattered by the sample. Measurements are useful in determining the haze properties of the product and also for controlling a dehazing process to meet target haze properties.Type: ApplicationFiled: October 13, 2009Publication date: April 14, 2011Inventors: Eric B. Sirota, James W. Gleeson, MaryKathryn Lee
-
Patent number: 7914665Abstract: The invention relates to a process for preparing lube oil basestocks from lube oil boiling range feeds. More particularly, the present invention is directed toward a process wherein a wax containing feed is solvent dewaxed to produce at least a partially dewaxed lube oil boiling range stream, which is hydrodewaxed to produce a first lube basestock. The first lube basestock is added to an independently selected second lube basestock and additives to make a lubricating oil.Type: GrantFiled: November 14, 2005Date of Patent: March 29, 2011Assignee: ExxonMobil Research and Engineering CompanyInventors: Lei Zhang, Elizabeth Stavens, Lisa I-Ching Yeh, Ian A. Cody, William J. Murphy, Thomas R. Palmer
-
Publication number: 20110009680Abstract: This disclosure relates to a crystalline molecular sieve comprising silicalite-1 having substantially hexagonal column morphology of at least 90% and having less than 20% crystal twinning as measured by SEM. This disclosure also relates to a method of making the crystalline molecular sieve of this disclosure, the method comprises: (a) providing a mixture comprising at least one source of at least one tetravalent element (Y), at least one source of hydroxide ion, at least one directing-agent (R), water, the mixture having the following molar composition: H2O/Y=10 to 1000 OH?/Y=0.41 to 0.74 R/Y=0.001 to 2 wherein R comprises at least one of TPAOH, TPACl, TPABr, TPAI, and TPAF, wherein OH?/Y is not corrected for trivalent ion; (b) submitting the mixture at crystallization conditions to form a product comprising the crystalline molecular sieve, wherein the crystallization conditions comprise a temperature in the range of from 100° C. to 250° C.Type: ApplicationFiled: February 13, 2009Publication date: January 13, 2011Inventor: Sebastien Kremer
-
Publication number: 20100270206Abstract: We provide a process, comprising: a) hydroisomerization dewaxing a substantially paraffinic wax feed and distilling a dewaxed product, whereby a lubricating base oil is produced having a traction coefficient less than 0.015 when measured at 15 mm2/s and at a slide to roll ratio of 40 percent; and b) blending one or more fractions of the lubricating base oil with: i) optionally less than about 5 wt % of a hydrocarbon solvent, ii) another base oil, and iii) one or more additives; whereby the lubricating oil is a two-cycle gasoline engine lubricant. We also provide a lubricating oil, comprising an isomerized base oil having a traction coefficient less than 0.015 when measured at 15 mm2/s and at a slide to roll ratio of 40 percent, and one or more additives; wherein the lubricating oil is a two-cycle gasoline engine lubricant.Type: ApplicationFiled: April 28, 2010Publication date: October 28, 2010Inventors: Joseph Timar, Nancy J. Bertrand, John M. Rosenbaum, Joseph Pudlak, Stephen J. Miller
-
Publication number: 20100181229Abstract: A hydroisomerization catalyst according to the present invention is obtained by calcining a catalyst composite including an ion-exchanged molecular sieve or a calcined material thereof which is obtained by performing ion exchange of a molecular sieve containing an organic template in a solution containing a cation species and using water as a main solvent and at least one metal which is selected from a group consisting of metals belonging to Groups 8-10 of the Periodic Table of the Elements, molybdenum, and tungsten supported on the ion-exchanged molecular sieve or a calcined material thereof.Type: ApplicationFiled: January 31, 2008Publication date: July 22, 2010Applicant: NIPPON OIL CORPORATIONInventor: Kazuaki Hayasaka
-
Publication number: 20100147741Abstract: A process is described of producing an MTT framework type molecular sieve by crystallizing a mixture capable of forming said molecular sieve, wherein the mixture comprises sources of alkali or alkaline earth metal (M), an oxide of trivalent element (X), an oxide of tetravalent element (Y), water and a directing agent (R) of the formula (CH3)3N+CH2CH2CH2N+(CH3)2CH2CH2CH2N+(CH3)3, and has a composition, in terms of mole ratios, within the following ranges. YO2/X2O3 less than 45 H2O/YO2 5 to 100 OH?/YO2 0.05 to 0.5 M/YO2 0.05 to 0.5 and R/YO2>0 to <0.5.Type: ApplicationFiled: December 8, 2009Publication date: June 17, 2010Inventors: Wenyih F. Lai, Christine N. Elia
-
Publication number: 20100041572Abstract: The present invention provides a lubricating base oil comprising saturated components of 90% by mass or greater, wherein the proportion of cyclic saturated components among the saturated components is not greater than 40% by mass, and by having a viscosity index of 110 or higher and an iodine value of not greater than 2.5. The lubricating base oil of the invention exhibits excellent viscosity-temperature characteristics and heat and oxidation stability while also allowing additives to exhibit a higher level of function when additives are included. The lubricating base oil of the invention is suitable for use in various lubricating oil fields, and is especially useful for reducing energy loss and achieving energy savings in devices in which the lubricating base oil is applied.Type: ApplicationFiled: March 28, 2007Publication date: February 18, 2010Inventors: Takashi Sano, Shinichi Shirahama, Kazuo Tagawa, Kenichi Komiya, Shigeki Matsui, Osamu Kurosawa
-
Patent number: 7641789Abstract: Process to prepare a base oil having a viscosity index of between 80 and 140 starting from a distillate or a de-asphalted oil by (a) contacting the feedstock in the presence of hydrogen with a sulphided hydrodesulphurization catalyst comprising nickel and tungsten on an acid amorphous silica-alumina carrier and (b) performing a pour point reducing step on the effluent of step (a) to obtain the base oil.Type: GrantFiled: December 9, 2003Date of Patent: January 5, 2010Assignee: Shell Oil CompanyInventors: Patrick Moureaux, Johannes Anthonius Robert Van Veen
-
Patent number: 7625478Abstract: Blends of ZSM-48 catalysts are used for hydroprocessing of hydrocarbon feedstocks. The blend of ZSM-48 catalysts includes at least a portion of ZSM-48 crystals having a SiO2:Al2O3 ratio of 110 or less that are free of non-ZSM-48 seed crystals and have a desirable morphology.Type: GrantFiled: December 12, 2006Date of Patent: December 1, 2009Assignee: ExxonMobil Research and Engineering CompanyInventors: Wenyih F. Lai, Terry E. Helton, Dominick N. Mazzone
-
Patent number: 7563432Abstract: The invention concerns a solid crystalline designated COK-7, which has a particular X ray diffraction diagram. Said solid has a chemical composition, expressed on an anhydrous base in terms of moles of oxides by the formula XO2: mYO2, X representing one or more tetravalent element(s), Y representing at least one trivalent element. The invention also concerns a process for preparing said solid and the use of said solid in hydrocarbon transformation.Type: GrantFiled: March 6, 2006Date of Patent: July 21, 2009Assignee: Institut Francais du PetroleInventors: Gaëlle Hastoy, Johan Martens, Emmanuelle Guillon
-
Patent number: 7501019Abstract: A granular solid wax particle comprising a highly paraffinic wax having a low T10 boiling point less than 427° C. and an inorganic powder coating; optionally with a layer of higher boiling wax over the highly paraffinic wax having a low T10 boiling point, and an inorganic powder coating over the layer of higher boiling wax. In separate embodiments, a highly paraffinic wax having a T10 boiling point less than 427° C. or a highly paraffinic wax having a needle penetration greater than 3 mm/10 at 25° C. is coated with a powder that adsorbs the wax without being encapsulated by the wax in a hot drop wax test. Also, a process for transporting highly paraffinic wax having a T10 boiling point less than 427° C. as granular solid wax particles. And, a method of making base oil from granular solid wax particles transported from a distant location.Type: GrantFiled: March 31, 2005Date of Patent: March 10, 2009Assignee: Chevron U.S.A., Inc.Inventors: Gunther H. Dieckmann, Dennis J. O'Rear
-
Patent number: 7449421Abstract: A catalyst comprising at least one zeolite (molecular sieve) chosen from the group formed by the TON structure type zeolites (Theta-1, ZSM-22, ISI-1, NU-10 and KZ-2) and at least one zeolite chosen from the group formed by the zeolites (ZSM-48, EU-2, EU-11 and ZBM-30), at least one porous mineral matrix, at least one hydro-dehydrogenating element, preferably chosen from the elements of Group VIB and Group VIII of the periodic table, is used for the conversion of hydrocarbons, in particular for the reduction of the pour point of charges containing long (more than 10 carbon atoms) linear and/or slightly branched paraffins, in particular in order to convert, with a good yield, charges having high pour points to at least one cut having a low pour point and a high viscosity index for oil bases.Type: GrantFiled: March 24, 2004Date of Patent: November 11, 2008Assignee: Institut Francais du PetroleInventors: Eric Benazzi, Emmanuelle Guillon, Johan Martens
-
Patent number: 7402236Abstract: A process for producing one or more white oils, by: a) hydroisomerization dewaxing a waxy feed with a defined composition over a highly selective and active wax hydroisomerization catalyst with a defined composition under conditions sufficient to produce a white oil; and b) collecting one or more white oils, wherein the yield of white oils is high, and they have a low pour point and a good Saybolt color. Also, a process for producing medicinal grade white oils, by a)hydroisomerization dewaxing a waxy feed with a defined composition over a highly selective and active wax hydroisomerization catalyst with a defined composition under conditions sufficient to produce a white oil, b) collecting technical grade white oils having a low pour point and good Saybolt color in high yield, and c) hydrofinishing the technical grade white oils at conditions sufficient to produce medicinal grade white oils that pass the RCS test.Type: GrantFiled: July 22, 2004Date of Patent: July 22, 2008Assignee: Chevron USAInventors: Stephen J. Miller, Susan M. Abernathy, John M. Rosenbaum
-
Patent number: 7374665Abstract: A method of blending delayed coker feedstocks to produce a coke that is easier to remove from a coker drum. A first feedstock is selected having less than about 250 wppm dispersed metals content and greater than about 5.24 API gravity. A second delayed coker feedstock is blended with said first resid feedstock so that the total dispersed metals content of the blend will be greater than about 250 wppm and the API gravity will be less than about 5.24.Type: GrantFiled: May 12, 2005Date of Patent: May 20, 2008Assignee: ExxonMobil Research and Engineering CompanyInventors: Christopher P. Eppig, Michael Siskin, Fritz A. Bernatz, Charles J. Mart
-
Patent number: 7351324Abstract: The present invention relates to a liquid fuel blended by dissolving crude pentane into the heavy oil with different proportions, and applied to different combustion system respectively; the fuel thus formed is easily dissolved, volatilized, atomized and vaporized into fine vapor articles, so it will burn completely to not only increase the heat value but also reduce the pollution without producing the dense smoke like common heavy oil combustion furnace. In addition, alkanes with low price, low octane value and high volatility substitute or blend with the crude pentane to become a liquid fuel having suitable initial boiling point, viscosity and fluidity as well as low price and low pollution, which is much better than common diesel oil.Type: GrantFiled: January 24, 2003Date of Patent: April 1, 2008Inventor: Hong-Lin Chen
-
Patent number: 7288182Abstract: A process for hydroprocessing petroleum and chemical feedstocks by use of a bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least one, preferably two Group VIB metal wherein the ratio of Group VIB metal to Group VIII metal is from about 10:1 to 1:10.Type: GrantFiled: January 14, 2000Date of Patent: October 30, 2007Assignee: ExxonMobil Research and Engineering CompanyInventors: Stuart Leon Soled, Sabato Miseo, Roman Krycak, Hilda B. Vroman, Teh Chung Ho, Kenneth Lloyd Riley
-
Patent number: 7261808Abstract: A process to further upgrade a pre-processed used lubricating oil by: (a) contacting the partially upgraded used oil in the presence of hydrogen with a hydrodemetallization catalyst; (b) contacting the effluent of step (a) in the presence of hydrogen with a hydrotreating catalyst; (c) contacting the effluent of step (b) in the presence of hydrogen with a dewaxing catalyst; and (d) contacting the effluent of step (c) in the presence of hydrogen with a hydrotreating catalyst.Type: GrantFiled: October 16, 2002Date of Patent: August 28, 2007Assignee: Shell Oil CompanyInventors: Pierre Grandvallet, Anthony Patrick Hagan, Laurent Georges Huve
-
Patent number: 7250106Abstract: For the production of high quality base oils with production of high quality middle distillates, feedstocks are obtained from the distillation of crude or from units for transformation and refining of the latter, there are provided a converting pretreatment stage of the feedstock and a catalytic dewaxing stage. The converting pretreatment stage occurs in the presence of a catalyst containing at least one noble metal deposited on an acid substrate in particular silica-alumina, to effect hydrocracking and hydroisomerization reactions. The catalytic dewaxing occurs in the presence of a catalyst with a zeolite base that is preferably selected from zeolites of the TON-structural type (theta-1, ISI-1, ZSM-22, KZ-2, NU-10), and the zeolites ZSM-48, ZBM-30, EU-2, EU-11, ferrierite, EU-1 and EU-13, and the catalyst also contains at least one hydro-dehydrogenating element.Type: GrantFiled: October 30, 2003Date of Patent: July 31, 2007Assignee: Institut Francais du PetroleInventors: Eric Benazzi, Patrick Euzen
-
Patent number: 7179365Abstract: The instant invention is an improved process for producing naphthenic base oils from low quality feedstocks.Type: GrantFiled: February 27, 2004Date of Patent: February 20, 2007Assignee: ExxonMobil Research and Engineering CompanyInventors: Keith K. Aldous, Jacob B. Angelo, Christopher J. S. Kent, Geraldine P. Gatton
-
Patent number: 7132042Abstract: Dewaxed fuel and lubricant base stocks are made by (a) producing a synthesis gas from natural gas, (b) reacting the H2 and CO in the gas in the presence of a cobalt Fischer-Tropsch catalyst, at reaction conditions effective to synthesize a waxy hydrocarbon feed boiling in the fuel and lubricant oil ranges, which is hydrodewaxed in a first stage to produce a dewaxed fuel and a partially dewaxed lubricant fraction. The partially dewaxed lubricant fraction is separated into heavy and lower boiling fractions each of which is separately hydrodewaxed, to produce lubricant base stocks. A hydrodewaxing catalyst comprising a hydrogenation component, binder and solid acid component used to hydrodewax at least one, and preferably at least two of the waxy feed and partially dewaxed heavy and lower boiling lubricant fractions.Type: GrantFiled: October 8, 2002Date of Patent: November 7, 2006Assignee: ExxonMobil Research and Engineering CompanyInventors: William Berlin Genetti, Adeana Richelle Bishop, Nancy Marie Page, Gregg Johnston Howsmon, Loren Leon Ansell, Jack Wayne Johnson
-
Patent number: 7132043Abstract: Process to prepare a lubricating base oil starting from a lubricating base oil which is obtained by first removing part of the aromatic compounds from a petroleum fraction boiling in the lubricating oil range by solvent extraction and subsequently dewaxing the solvent extracted product, wherein the following steps are performed, (a) contacting the lubricating base oil with a suitable sulphided hydrotreating catalyst in a first hydrotreating step; (b) separating the effluent of step (a) into a gaseous fraction and a liquid fraction; (c) contacting the liquid fraction of step (b) with a catalyst comprising a noble metal component supported on an amorphous refractory oxide carrier in the presence of hydrogen in a second hydrotreating step; and (d) recovering the lubricating base oil.Type: GrantFiled: May 26, 2000Date of Patent: November 7, 2006Assignee: Shell Oil CompanyInventors: Eric Duprey, Jean-Paul Fattaz, Roland Albert Charles Garin, Patrick Moureaux
-
Patent number: 7074320Abstract: An integrated process for preparing a lubricating oil base stock includes an isomerization step followed by a solvent dewaxing step. A waxy feed is isomerized to an intermediate pore point, which is at least 6° C. above a target pour point, over a select molecular sieve having specified pore properties. The isomerized oil is then solvent dewaxed to a very low pour point. This process produces a dewaxed lubricating oil base stock which has an exceptionally high viscosity index.Type: GrantFiled: July 24, 2003Date of Patent: July 11, 2006Assignee: Chevron U.S.A. Inc.Inventor: Stephen J. Miller
-
Patent number: 7029651Abstract: The invention relates to a novel microporous crystalline material ITQ-19 used in the catalytic conversion of organic compounds, such as, for example, the dewaxing and isodewaxing of paraffins and the disproportionation of toluene. Said material has a characteristic X-ray diffractogram, a high absorption capacity and the empirical formula x(M1/nXO2):yYO2:(1?y)SiO2 wherein x has a value less than 0.2; y has a value less than 0.1; M is at least an inorganic cation with a +n charge; X is at least a chemical element having oxidation state +3, preferably selected among Al, Ga, B, Cr, Fe; Y is at least a chemical element with oxidation stated +4, preferably selected among Ge, Ti, Sn, V. The inventive material can be obtained by means of a preparation process involving the use of one or more organic additives in a reaction mix which is crystallized by heating.Type: GrantFiled: July 30, 2003Date of Patent: April 18, 2006Assignees: Consejo Superior de Investigaciones Cientificas, Universidad Politecnica de ValenciaInventors: Avelino Corma Canós, Urbano Díaz Morales, Vicente Fornes Segui
-
Patent number: 7018525Abstract: This invention relates to processes of producing lubricant base oils comprising paraffinic hydrocarbon components that have optimized branching. The lubricant base oils comprising paraffinic hydrocarbon components with optimized branching have low amounts of branching with the branching concentrated toward the center of the lubricant base oil molecules. The lubricant base oils comprising paraffinic hydrocarbon components with optimized branching have low pour points and extremely high viscosity indexes. The invention further relates to processes of producing commercial lubricants comprising the lubricant base oils comprising paraffinic hydrocarbon components with optimized branching from waxy feeds.Type: GrantFiled: October 14, 2003Date of Patent: March 28, 2006Assignee: Chevron U.S.A. Inc.Inventors: Stephen J. Miller, Dennis J. O'Rear, John Rosenbaum
-
Patent number: 6974535Abstract: A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two step hydroconversion zone followed by a hydrofinishing zone, and a lubricating oil basestock produced by said process.Type: GrantFiled: June 26, 2001Date of Patent: December 13, 2005Assignee: ExxonMobil Research and Engineering CompanyInventors: Ian A. Cody, William J. Murphy, John E. Gallagher, Joseph P. Boyle, Anne M. Zinicola, Christopher J. May, Jeenok T. Kim, John A. Groestch, Sylvain S. Hantzer
-
Patent number: 6930217Abstract: A catalytic material includes a microporous zeolite supported on a mesoporous inorganic oxide support. The microporous zeolite can include zeolite beta, zeolite Y or ZSM-5. The mesoporous inorganic oxide can be, e.g., silica or alumina, and can optionally include other metals. Methods for making and using the catalytic material are described herein.Type: GrantFiled: June 24, 2004Date of Patent: August 16, 2005Assignee: ABB Lummus Global Inc.Inventors: Zhiping Shan, Jacobus Cornelius Jansen, Chuen Y. Yeh, Johannes Hendrik Koegler, Thomas Maschmeyer