Specified Source (e.g., Peach Pit, Etc.) Patents (Class 502/437)
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Patent number: 11695103Abstract: A process for producing a cathode or anode material adapted for use in the manufacture of fast rechargeable ion batteries. The process may include the steps of Selecting an precursor material that, upon heating in a gas stream, releases volatile compounds to create porous materials to generate a material compound suitable for an electrode in an ion battery. Grinding the precursor material to produce a powder of particles with a first predetermined particle size distribution to form a precursor powder. Calcining the precursor powder in a flash calciner reactor segment with a first process gas at a first temperature to produce a porous particle material suitable for an electrode in an ion battery, and having the pore properties, surface area and nanoscale structures for applications in such batteries.Type: GrantFiled: January 12, 2018Date of Patent: July 4, 2023Assignee: CALIX LTDInventors: Mark Sceats, Philip Hodgson, Khokan Kanti Majumder
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Patent number: 11642433Abstract: The present invention relates to an activated carbon sheet, and particularly relates to an activated carbon sheet for air purification comprising activated carbon, which is suitable for removing volatile organic compounds in the passenger compartment of an automobile or the like. An object of the present invention is to provide a sheet that is excellent in toluene adsorption capacity and flame retardancy. An activated carbon sheet for air purification comprising an activated carbon fiber, granular or powdered activated carbon, and a fibrillated fiber, wherein a mass (g/m2) of the activated carbon fiber is 5 g/m2 or more, a pressure loss as measured by a method set forth below is 150 Pa or less, and a burn distance as measured by the FMVSS 302 burning test is 51 mm or less: <pressure loss test method> the method is conducted in accordance with JIS B 9927:1999 “Appendix (Standard) Cleanroom—Air filters—Test methods”, 3.Type: GrantFiled: February 27, 2019Date of Patent: May 9, 2023Inventors: Hironori Fujiki, Yoshiyuki Sometani
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Patent number: 11584652Abstract: A process for forming a pure carbon product has the steps of soaking charcoal with hydrochloric acid to remove solids from the charcoal, removing the hydrochloric acid from the soaked charcoal, drying the charcoal, grinding the dried charcoal into a fine powder, mixing water with the fine powder, washing the fine powder, removing the water so as to from a charcoal slurry, and drying the charcoal slurry so as to form the pure carbon powder. The charcoal slurry has a skim on the surface thereof. The skim is removed.Type: GrantFiled: March 23, 2021Date of Patent: February 21, 2023Inventors: Mike E. D. A. Imeh, Victoria Okotie, Esther Imeh-Ogaga
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Patent number: 11376564Abstract: A method for manufacturing a carbon dioxide adsorbent includes: forming a kneaded product containing a hydrophilic fiber, a powdery porous material, and an aqueous hydrophilic binder dispersion into particles and drying the particles to generate porous material particles containing the hydrophilic fiber and the powdery porous material combined by the hydrophilic binder; and preparing an aqueous amine solution having an amine concentration of 5% or more and 70% or less and a temperature of 10° C. or higher and 100° C. or lower, impregnating the aqueous amine solution into the porous material particles, and aeration-drying the porous material particles impregnating the amine. The carbon dioxide adsorbent contains the porous material particles and the amine carried by the porous material particles, the porous material particles containing the hydrophilic fiber and the powdery porous material combined by the hydrophilic binder.Type: GrantFiled: April 26, 2018Date of Patent: July 5, 2022Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Masahiro Negami, Takeshi Okumura, Ikuo Shimomura, Katsuhiro Yoshizawa, Yoshimichi Nomura, Kazuo Tanaka, Shohei Nishibe
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Patent number: 11235988Abstract: The inventive subject matter disclosed herein includes multiple novel filter media made of activated rice husks, as well as filtration systems and methods for removing contaminants from an aqueous solution, such as wastewater produced as a byproduct of various industrial processes, including mining, oil and gas exploration and extraction, farming, manufacturing, and the like.Type: GrantFiled: January 2, 2020Date of Patent: February 1, 2022Assignee: Glanris, IncInventors: L-Yu Lin, Thomas W Volinchak
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Publication number: 20150119610Abstract: A carbon adsorbent adapted for adsorptive storage and subsequent desorptive release of a decomposition-susceptible gas is described. Such carbon adsorbent comprises porosity in which mesopore volume is less than 0.25 cm3/gm of carbon adsorbent, in which the porosity comprises at least 80% by volume micropores, and at least 65% by volume of the micropores have pore diameter in a range of from 0.3 to 0.72 nm. The carbon adsorbent has a nitrogen adsorption BET surface area greater than 800 m2/g of carbon adsorbent, measured at 77° K, and a bulk density that is greater than 0.55 g/cc of carbon adsorbent. The carbon adsorbent can be utilized in gas storage and dispensing packages of varying type, to provide a safe and reliable source of decomposition-susceptible gas, e.g., acetylene for applications such as gas welding/cutting applications, atomic absorption spectroscopy applications, chemical synthesis and microelectronic products manufacturing.Type: ApplicationFiled: April 13, 2013Publication date: April 30, 2015Inventors: Edward A. Sturm, Thomas H. Baum, J. Donald Carruthers
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Publication number: 20150098878Abstract: The present invention relates to carbon nanocomposite sorbents. The present invention provides carbon nanocomposite sorbents, methods for making the same, and methods for separation of a pollutant from a gas that includes that pollutant. Various embodiments provide a method for reducing the mercury content of a mercury-containing gas.Type: ApplicationFiled: December 9, 2014Publication date: April 9, 2015Inventors: Edwin S. Olson, John Henry Pavlish
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Patent number: 8999885Abstract: Methods for activating charcoal resulting from biomass gasification are provided. Exemplary methods include gasifying biomass in a gasification reactor of an integrated biomass gasification system to produce charcoal; and activating charcoal using heat generated from an integral heat source of the integrated biomass gasification system. The methods include activation of charcoal resulting from biomass gasification in a more efficient, economical manner, thereby increasing the value of biomass gasification with minimal investment in the process.Type: GrantFiled: January 9, 2013Date of Patent: April 7, 2015Assignee: General Electric CompanyInventors: Jinmesh Pranav Majmudar, Omprakash Mall
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Publication number: 20150041397Abstract: Mesoporous activated carbon is disclosed. In at least some embodiments, virgin activated carbon to be processed may be coconut shell-based. The enhanced activated carbon may have a mesopore structure of at least about 10%. The enhanced activated carbon may be produced through a calcium-catalyzed activation process. A chelator may also be used. Catalyzed thermal activation may be carried out until a desired mass loss is achieved.Type: ApplicationFiled: October 28, 2014Publication date: February 12, 2015Inventor: Adam M. Redding
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Patent number: 8932984Abstract: Mesoporous activated carbon is disclosed. In at least some embodiments, virgin activated carbon to be processed may be coconut shell-based. The enhanced activated carbon may have a mesopore structure of at least about 10%. The enhanced activated carbon may be produced through a calcium-catalyzed activation process. A chelator may also be used. Catalyzed thermal activation may be carried out until a desired mass loss is achieved.Type: GrantFiled: October 5, 2011Date of Patent: January 13, 2015Assignee: Evoqua Water Technologies LLCInventor: Adam M. Redding
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Publication number: 20150004415Abstract: The present invention disclosed herein is carbon nanomaterial and carbon based nanocomposites by pyrolysis of dead leaves and other similar natural waste material. In particular, the invention relates to synthesis of valuable functional carbon materials and their nanocomposites from different waste materials such as plant dead leaves and their use in high value added product applications.Type: ApplicationFiled: February 8, 2013Publication date: January 1, 2015Applicant: Council of Scientific & Industrial ResearchInventors: Mandakini Biswal, Abhik Banerjee, Satishchandra Balkrishna Ogale
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Publication number: 20140298992Abstract: A carbon pyrolyzate adsorbent is described that is selective for carbon dioxide in contact with gas mixtures including carbon dioxide and methane. The adsorbent has a carbon dioxide adsorbent capacity at 1 bar pressure of greater than 50 cm3 carbon dioxide per gram of adsorbent at 273K, a methane adsorption capacity at 1 bar pressure of less than 35 cm3 methane per gram of adsorbent at 21° C., and a bulk density of greater than 0.55 gram per cubic centimeter of volume. Such adsorbent can be utilized, for example, for biogas upgrading, natural gas purification, coal bed methane purification, and refining operations.Type: ApplicationFiled: April 5, 2013Publication date: October 9, 2014Applicant: Advanced Technology Materials, Inc.Inventors: J. Donald Carruthers, Melissa A. Petruska, Shaun M. Wilson, Edward A. Sturm
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Publication number: 20140274659Abstract: Adsorbed natural gas (ANG) technology is an energy efficient approach for storing NG at room temperature and low pressure. ANG technology can be applied to several aspects of the NG industry. The usage of an adsorbent material in natural gas storage and transport may provide increased storage density of NG at a given pressure and decreased pressure of gaseous fuel at a given gas density. Such adsorbent materials have been shown to store substantial quantities of natural gas at relatively modest pressures. Because lower-pressure vessels can be far less expensive than comparable sized high-pressure vessels, ANG based storage can be used to lower the cost of storing natural gas in various applications.Type: ApplicationFiled: March 14, 2014Publication date: September 18, 2014Applicant: OSCOMP SYSTEMS INC.Inventors: Jimmy ROMANOS, Pedro T. SANTOS, Scott RACKEY
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Patent number: 8785349Abstract: A photocatalyst is provided that comprises activated carbon produced from date pits, impregnated with TiO2. The activated carbon can have a porous surface that can attract and trap pollutants flowing in air or water. The photocatalyst can be made by a method that includes preparing activated carbon by calcining date pits to form a precursor material, and then impregnating the precursor material with titanium dioxide.Type: GrantFiled: January 16, 2012Date of Patent: July 22, 2014Inventors: Yousef Saleh Al-Zeghayer, Sami M. Bashir, Ahmed V. Yaser, Hassan M. El Dekki, Waheed A. Al-Masry, Fadi M. Trabzuni
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Publication number: 20140194284Abstract: Methods for activating charcoal resulting from biomass gasification are provided. Exemplary methods include gasifying biomass in a gasification reactor of an integrated biomass gasification system to produce charcoal; and activating charcoal using heat generated from an integral heat source of the integrated biomass gasification system. The methods include activation of charcoal resulting from biomass gasification in a more efficient, economical manner, thereby increasing the value of biomass gasification with minimal investment in the process.Type: ApplicationFiled: January 9, 2013Publication date: July 10, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Jinmesh Pranav Majmudar, Omprakash Mall
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Publication number: 20140171306Abstract: Disclosed is a method of producing an adsorbent. The method includes hydrophilizing a surface of activated carbon with an oxidizing agent, and immersing the activated carbon in a solution of a basic compound.Type: ApplicationFiled: February 25, 2014Publication date: June 19, 2014Applicant: FUJITSU LIMITEDInventors: Toshio MANABE, Hiroaki Yoshida, NORIYASU ASO
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Patent number: 8709122Abstract: The invention is directed to a method for producing an oxygenated biochar material possessing a cation-exchanging property, wherein a biochar source is reacted with one or more oxygenating compounds in such a manner that the biochar source homogeneously acquires oxygen-containing cation-exchanging groups in an incomplete combustion process. The invention is also directed to oxygenated biochar compositions and soil formulations containing the oxygenated biochar material.Type: GrantFiled: February 27, 2013Date of Patent: April 29, 2014Assignee: UT-Battelle, LLCInventors: James W. Lee, Archibald C. Buchanan, III, Barbara R. Evans, Michelle K. Kidder
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Patent number: 8691177Abstract: The present invention provides a high surface area porous carbon material and a process for making this material. In particular, the carbon material is derived from biomass and has large mesopore and micropore surfaces that promote improved adsorption of materials and gas storage capabilities.Type: GrantFiled: October 21, 2011Date of Patent: April 8, 2014Assignee: The Curators of the University of MissouriInventors: Peter Pfeifer, Galen J. Suppes, Parag Shah, Jacob W. Burress
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Patent number: 8685884Abstract: A process for the production of low-temperature activated or partially activated partially decomposed organic matter for use as an ion-exchange medium comprising the steps of granulating partially decomposed moisture-bearing organic matter, drying the granules and activating the granules at a temperature of about 175-520° C., wherein the granule has a hardness and cation-exchange capacity suitable for a particular application desired.Type: GrantFiled: June 26, 2012Date of Patent: April 1, 2014Assignee: American Peat Technology, LLCInventors: Douglas A. Green, Eric Ingwer Paulson
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Patent number: 8652995Abstract: A method for producing an activated carbon material includes heating a non-lignocellulosic carbon precursor to form a carbon material and reacting the carbon material with steam to form an activated carbon material. The activated carbon material is suitable to form improved carbon-based electrodes for use in high energy density devices.Type: GrantFiled: July 19, 2011Date of Patent: February 18, 2014Assignee: Corning IncorporatedInventors: Kishor Purushottam Gadkaree, Andrew Fleitz Husted, Jia Liu
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Patent number: 8647512Abstract: A method for separating a liquid hydrocarbon material from a body of water. In one embodiment, the method includes the steps of mixing a plurality of magnetic carbon-metal nanocomposites with a liquid hydrocarbon material dispersed in a body of water to allow the plurality of magnetic carbon-metal nanocomposites each to be adhered by an amount of the liquid hydrocarbon material to form a mixture, applying a magnetic force to the mixture to attract the plurality of magnetic carbon-metal nanocomposites each adhered by an amount of the liquid hydrocarbon material, and removing said plurality of magnetic carbon-metal nanocomposites each adhered by an amount of the liquid hydrocarbon material from said body of water while maintaining the applied magnetic force, wherein the plurality of magnetic carbon-metal nanocomposites is formed by subjecting one or more metal lignosulfonates or metal salts to microwave radiation, in presence of lignin/derivatives either in presence of alkali or a microwave absorbing material.Type: GrantFiled: March 31, 2010Date of Patent: February 11, 2014Assignee: Board of Trustees of the University of ArkansasInventor: Tito Viswanathan
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Patent number: 8563467Abstract: A method of preparing activated carbon, is disclosed, comprising: exposing carbonaceous material to microwave radiation in the presence of water to produce activated carbon.Type: GrantFiled: January 18, 2011Date of Patent: October 22, 2013Assignee: The Governors of the University of AlbertaInventors: Zaher Hashisho, Chen Heng
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Patent number: 8551431Abstract: A method for modifying the properties of a sorbent comprising washing a sorbent with a washing solution so as to achieve an exchange of ions between the sorbent and the washing solution, and applying a halogen compound to the sorbent that has been washed with the washing solution to achieve a predetermined concentration of the halogen on the sorbent.Type: GrantFiled: March 14, 2013Date of Patent: October 8, 2013Assignee: Cabot CorporationInventors: Patton Adams, Dennis O. Rester, Misty Williams
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Patent number: 8513159Abstract: A process of manufacturing powdered coffee carbons from spent coffee grounds includes: washing spent coffee grounds, dehydrating same, and conveying same to a pre-carbonation oven for drying and pre-carbonization; removing the pre-carbonized spent coffee grounds, soaking same in a solution mixed with a predetermined quantity of sodium carbonate for a predetermined period of time for grease removal, and washing the grease free spent coffee grounds; pouring the pre-carbonized spent coffee grounds into a post-carbonization oven and heating same to the range of 600 to 650° C. to carbonize the pre-carbonized spent coffee grounds so that the carbonized spent coffee grounds have a porous structure; supplying saturated steam between 850 and 950° C. to the carbonized spent coffee carbons for activation; and operating a wet grinder to grind the activated spent coffee carbons until powdered coffee carbons having a size between 0.1 and 20 ?m are obtained.Type: GrantFiled: March 19, 2010Date of Patent: August 20, 2013Inventors: Jen-Huan Lu, Wang-Hsing Lee
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Patent number: 8496734Abstract: A sorbent structure comprising a continuous activated carbon body in the form of a flow-through substrate; and an additive provided on the flow-through substrate, wherein the additive is capable of enhancing the sorption of CO2 on the sorbent structure. Methods of making the sorbent structure, its use for CO2 capture, and methods for regenerating the structure for further use.Type: GrantFiled: February 26, 2009Date of Patent: July 30, 2013Assignee: Corning IncorporatedInventors: Kishor Purushottam Gadkaree, Youchun Shi
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Publication number: 20130116111Abstract: Preparation of a molecularly imprinted carbon is described. The molecularly imprinted carbon has a surface that is imprinted on the molecular level for a specific template molecule of interest, making it highly selective for analytes corresponding to at least a portion of the template molecule. Devices including the molecularly imprinted carbon and their use in methods of detecting analytes are also described. As an example, dibutyl butylphosphonate (DBBP), a surrogate for chemical warfare agents, was used as a template molecule. Electrospun molecularly imprinted SU-8 and pyrolyzed polymer (PP) solid-phase microextraction (SPME) devices were prepared; their ability to preferentially extract DBBP from an aqueous matrix, with and without interferences present, was evaluated via comparison with non-imprinted SU-8 and PP SPME fibers. The electrospun devices demonstrated a higher selectivity for DBBP, as evidenced by their extraction time profiles.Type: ApplicationFiled: March 2, 2011Publication date: May 9, 2013Applicant: The Ohio State University Research FoundationInventors: Susan V. Olesik, Joseph W. Zewe
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Patent number: 8436061Abstract: Organic, small pore area materials (“SPMs”) are provided comprising open cell foams in unlimited sizes and shapes. These SPMs exhibit minimal shrinkage and cracking. Processes for preparing SPMs are also provided that do not require supercritical extraction. These processes comprise sol-gel polymerization of a hydroxylated aromatic in the presence of at least one suitable electrophilic linking agent and at least one suitable solvent capable of strengthening the sol-gel. Also disclosed are the carbonized derivatives of the organic SPMs.Type: GrantFiled: August 25, 2011Date of Patent: May 7, 2013Assignee: American Aerogel CorporationInventors: Donald F. Albert, Greg R. Andrews, Joseph W. Bruno
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Patent number: 8398738Abstract: The invention is directed to a method for producing an oxygenated biochar material possessing a cation-exchanging property, wherein a biochar source is reacted with one or more oxygenating compounds in such a manner that the biochar source homogeneously acquires oxygen-containing cation-exchanging groups in an incomplete combustion process. The invention is also directed to oxygenated biochar compositions and soil formulations containing the oxygenated biochar material.Type: GrantFiled: January 13, 2010Date of Patent: March 19, 2013Assignee: UT-Battelle, LLCInventors: James W. Lee, Archibald C. Buchanan, III, Barbara R. Evans, Michelle K. Kidder
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Publication number: 20130023409Abstract: The invention provides a method for preparing activated charcoal from a precursor material comprising high mineral content plant or algal material by heating the precursor material under suitable conditions sufficient to produce activated charcoal therefrom. The invention also provides various applications of the activated charcoal per se.Type: ApplicationFiled: January 11, 2010Publication date: January 24, 2013Applicant: THE UNIVERSITY OF SURREYInventors: Franciscus Antonius, Anna Maria De Leij, James Peter Stratford
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Patent number: 8232225Abstract: A process for the production of low-temperature activated or partially activated partially decomposed organic matter for use as an ion-exchange medium comprising the steps of granulating partially decomposed moisture-bearing organic matter, drying the granules and activating the granules at a temperature of about 175-520° C., wherein the granule has a hardness and cation-exchange capacity suitable for a particular application desired.Type: GrantFiled: January 13, 2006Date of Patent: July 31, 2012Assignee: American Peat Technology, LLCInventors: Douglas A. Green, Eric Ingwer Paulson
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Patent number: 8197786Abstract: Porous carbon materials and methods of manufacturing the same are provided. One method includes forming a carbon-metal oxide composite by heating a coordination polymer to form a carbon-metal oxide composite, and then removing the metal oxide from the carbon-metal oxide composite. The porous carbon material has an average pore diameter ranging from about 10 nm to about 100 nm, and a d002 ranging from about 3.35 to 3.50 ?.Type: GrantFiled: September 7, 2007Date of Patent: June 12, 2012Assignee: Samsung SDI Co., Ltd.Inventors: Dong-min Im, Jeong-hee Lee, Yong-nam Ham, Chan-ho Pak
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Publication number: 20120115711Abstract: A photocatalyst is provided that comprises activated carbon produced from date pits, impregnated with TiO2. The activated carbon can have a porous surface that can attract and trap pollutants flowing in air or water. The photocatalyst can be made by a method that includes preparing activated carbon by calcining date pits to form a precursor material, and then impregnating the precursor material with titanium dioxide.Type: ApplicationFiled: January 16, 2012Publication date: May 10, 2012Applicant: THE NATIONAL TITANIUM DIOXIDE CO. LTD. (CRISTAL)Inventors: Yousef Saleh Al-Zeghayer, Sami M. BASHIR, Ahmed V. YASER, Hassan M. EL DEKKI, Waheed A. AL-MASRY, Fadi M. TRABZUNI
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Patent number: 8129303Abstract: A pathogen-resistant fabric comprising one or more photocatalysts capable of generating singlet oxygen from ambient air. The pathogen-resistant fabric may optionally include one or more singlet oxygen traps.Type: GrantFiled: March 29, 2011Date of Patent: March 6, 2012Inventor: John L. Lombardi
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Publication number: 20120048807Abstract: The adsorption properties of the adsorbent product, based on a porous mineral such as particularly pumice stone, result from the carbon formed on the walls of the pores of the mineral by cracking of an organic product, such as sugar or treatment plant sludges, previously impregnated in the pores of the mineral, the carbon thus formed making the product hydrophobic. After absorption of pollutant hydrocarbons by the product, the impregnated mineral is heated in a heat treatment unit, in the absence of oxygen, to bring it to a sufficient temperature to evaporate the hydrocarbons and/or decompose by cracking the organic product or hydrocarbon molecules and form or regenerate the carbon deposit. Application to the manufacture and to the recycling of an adsorbent product for the depollution particularly of bodies of waters or rivers polluted by hydrocarbons.Type: ApplicationFiled: October 13, 2009Publication date: March 1, 2012Applicant: ECOPOMEX S.A.M.Inventors: Sami Hosagasi, Bulent Birden
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Patent number: 8114810Abstract: A pathogen-resistant fabric comprising one or more photocatalysts capable of generating singlet oxygen from ambient air. The pathogen-resistant fabric may optionally include one or more singlet oxygen traps.Type: GrantFiled: March 29, 2011Date of Patent: February 14, 2012Inventor: John L. Lombardi
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Patent number: 8071657Abstract: Organic, small pore area materials (“SPMs”) are provided comprising open cell foams in unlimited sizes and shapes. These SPMs exhibit minimal shrinkage and cracking. Processes for preparing SPMs are also provided that do not require supercritical extraction. These processes comprise sol-gel polymerization of a hydroxylated aromatic in the presence of at least one suitable electrophilic linking agent and at least one suitable solvent capable of strengthening the sol-gel. Also disclosed are the carbonized derivatives of the organic SPMs.Type: GrantFiled: March 13, 2009Date of Patent: December 6, 2011Assignee: American Aerogel CorporationInventors: Donald F. Albert, Greg R. Andrews, Joseph W. Bruno
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Patent number: 8058206Abstract: A pathogen-resistant fabric comprising one or more photocatalysts capable of generating singlet oxygen from ambient air. The pathogen-resistant fabric may optionally include one or more singlet oxygen traps.Type: GrantFiled: March 29, 2011Date of Patent: November 15, 2011Inventor: John L. Lombardi
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Patent number: 8058207Abstract: A pathogen-resistant fabric comprising one or more photocatalysts capable of generating singlet oxygen from ambient air. The pathogen-resistant fabric may optionally include one or more singlet oxygen traps.Type: GrantFiled: March 29, 2011Date of Patent: November 15, 2011Inventor: John L. Lombardi
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Publication number: 20110229395Abstract: A photocatalyst is provided that comprises activated carbon produced from date pits, impregnated with TiO2. The activated carbon can have a porous surface that can attract and trap pollutants flowing in air or water. The photocatalyst can be made by a method that includes preparing activated carbon by calcining date pits to form a precursor material, and then impregnating the precursor material with titanium dioxide.Type: ApplicationFiled: March 16, 2010Publication date: September 22, 2011Applicant: THE NATIONAL TITANIUM DIOXIDE CO. LTD. (CRISTAL)Inventors: Yousef Saleh Al-Zeghayer, Sami M. BASHIR, Ahmed V. YASER, Hassan M. EL DEKKI, Waheed A. AL-MASRY, Fadi M. TRABZUNI
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Patent number: 7915197Abstract: A pathogen-resistant coating comprising one or more photocatalysts capable of generating singlet oxygen from ambient air. The pathogen-resistant coating may optionally include one or more singlet oxygen traps.Type: GrantFiled: August 20, 2007Date of Patent: March 29, 2011Inventor: John L. Lombardi
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Publication number: 20110071022Abstract: The invention is directed to an adsorbent comprising: a) 20-30% porous carbon with incorporated organic nitrogen species; and b) 70-80% inorganic matter. The invention is directed to a method of making an adsorbent which comprises: a) thermally drying dewatered sewage sludge to form granulated organic fertilizer; and b) pyrolyzing said the organic fertilizer at temperatures between 600 and 1000° C. The invention is additionally directed to the process of removing acidic gases from wet air streams comprising putting an adsorbent in contact with the wet air stream and allowing the adsorbent to adsorb the acidic gases.Type: ApplicationFiled: September 23, 2010Publication date: March 24, 2011Applicant: Research Foundation of the City University of New YorkInventors: Teresa J. Bandosz, Andriy Bahryeyev, David C. Locke
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Patent number: 7794601Abstract: Chars may be produced by carbonization or pyrolysis of poultry manure. Chars produced from poultry manure by the method described herein exhibit enhanced activity for metal ion adsorption.Type: GrantFiled: April 11, 2008Date of Patent: September 14, 2010Assignee: The United States of America, as represented by the Secretary of AgricultureInventors: Isabel M. Lima, Wayne E. Marshall
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Publication number: 20100212495Abstract: A sorbent structure comprising a continuous activated carbon body in the form of a flow-through substrate; and an additive provided on the flow-through substrate, wherein the additive is capable of enhancing the sorption of CO2 on the sorbent structure. Methods of making the sorbent structure, its use for CO2 capture, and methods for regenerating the structure for further use.Type: ApplicationFiled: February 26, 2009Publication date: August 26, 2010Inventors: Kishor Purushottam Gadkaree, Youchun Shi
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Patent number: 7737083Abstract: The invention concerns high performance adsorbents based on activated carbon of high microporosity which are present in the form of discrete grains of activated carbon, preferably in spherical form, and which are characterized by the following parameters: a Gurvich total pore volume of at least 0.7 cm3/g, at least 70% of this total pore volume being formed by micropores having pore diameters of ?20 ?, a measure of central tendency pore diameter of not more than 30 ?, and a BET surface area of at least 1500 m2/g. These high performance adsorbents are particularly useful for the adsorption of toxins, noxiants and odors, in particular from gas or to be more precise air streams, for purifying or cleaning gases, such as in particular air, for application in medicine or to be more precise pharmacy and as sorptive storage media for gases, in particular hydrogen.Type: GrantFiled: October 11, 2007Date of Patent: June 15, 2010Assignee: Blucher GmbHInventors: Hasso von Blücher, Bertram Böhringer, Jann-Michael Giebelhausen
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Patent number: 7704921Abstract: A gas mixture preheated to high temperatures using an oxy-fuel, an oxygen-enriched air-fuel or an air-fuel burner is used to devolatilize and partially oxidize carbonaceous feedstock, thereby producing an active residual char that can be used in applications utilizing activated carbon. Use of hot gas and ground carbonaceous feedstock allows the equipment to be minimized, thereby allowing the activated carbon to be produced at or near points of use, for example the production of activated char at or near utility boilers for use in the reduction of mercury emissions from flue gas streams.Type: GrantFiled: September 12, 2005Date of Patent: April 27, 2010Assignee: Praxair Technology, Inc.Inventors: Lawrence E. Bool, III, Chien-Chung Chao, Mark K. Weise, Jurron L. D. Bradley
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Publication number: 20100069507Abstract: By a process for producing a porous carbon material from a plant-derived material as a raw material, said process including carbonizing the plant-derived material at 800° C. to 1,400° C. and then applying a treatment with an acid or alkali, a porous carbon material having a value of specific surface area of at least 10 m2/g as measured by the nitrogen BET method, a silicon content of at most 1 wt % and a pore volume of at least 0.1 cm3/g is obtainable from a plant-derived material, which has a silicon content of at least 10 wt %, as a raw material. Also provided is a process for producing a porous carbon material equipped with excellent functionality so that the porous carbon material can be used, for example, as an anode material for batteries, an adsorbent, masks, adsorbing sheets, or carriers.Type: ApplicationFiled: April 4, 2008Publication date: March 18, 2010Applicant: SONY CORPORATIONInventors: Seiichiro Tabata, Shinichiro Yamada, Masayoshi Kanno, Tsutomu Noguchi, Takeshi t Horie
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Patent number: 7678738Abstract: A method for treating saturated activated coke comprises the following steps: A) The saturated activated coke is subjected to a dehydration treatment so that the water content in the activated coke is ?25%; B) The product obtained from step A is dried at a starting temperature of 120° C.-150° C.; C) The product obtained from step B is subjected to dry distillation and the condition of the dry distillation is that: by heating to a final temperature for the drying of 500° C.-600° C. at a speed of 4° C.-10° C./min and maintaining for 10-60 minutes, the organics adsorbed on the surface and in the pores of the activated coke is cracked, volatilized and carbonized; D) The product obtained from step C is activated and the activation condition is that: after heating to 800° C.-950° C. at 2° C.-8° C./min, a stream is supplied, wherein the weight ratio of the activated coke to the stream is 1:0.5-5 and the activation time is 0.5-2 h. The activated coke after several times of treatment can be used as the fuel.Type: GrantFiled: May 18, 2007Date of Patent: March 16, 2010Assignee: Mississippi International Water, Inc.Inventor: Dawei Zhang
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Patent number: 7625839Abstract: Activated carbon adapted for electric double layer capacitors is provided, which capacitors can give a large power density per unit volume and which capacitors, even when charge-and-discharge cycle is repeated under a large current or a constant voltage is continuously applied for a long time, undergo less decrease in output density. In particular, the present invention relates to the activated carbon manufactured by carbonization of coconut shell, which has a BET specific surface area of 2000 m2/g to 2500 m2/g, an average pore diameter of 1.95 nm (19.5 ?) to 2.20 nm (22 ?) and a pore volume of pores having a pore diameter calculated according to a Cranston-Inkley method of 5.0 nm (50 ?) to 30.0 nm (300 ?), of 0.05 cm3/g to 0.15 cm3/g.Type: GrantFiled: June 21, 2006Date of Patent: December 1, 2009Assignees: Mitsubishi Chemical Corporation, Toyota Jidosha Kabushiki KaishaInventors: Satoshi Hirahara, Yositaka Takeda, Kazuyuki Toki
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Patent number: 7524795Abstract: Activated carbons may be produced by carbonization of poultry manure, followed by activation of carbonized manure. Carbons produced from poultry manure by the method described herein exhibit enhanced activity for metal ion adsorption.Type: GrantFiled: February 20, 2004Date of Patent: April 28, 2009Assignee: The United States of America as represented by the Secretary of the AgricultureInventors: Isabel M. Lima, Wayne E. Marshall
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Patent number: 7521485Abstract: Organic, small pore area materials (“SPMs”) are provided comprising open cell foams in unlimited sizes and shapes. These SPMs exhibit minimal shrinkage and cracking. Processes for preparing SPMs are also provided that do not require supercritical extraction. These processes comprise sol-gel polymerization of a hydroxylated aromatic in the presence of at least one suitable electrophilic linking agent and at least one suitable solvent capable of strengthening the sol-gel. Also disclosed are the carbonized derivatives of the organic SPMs.Type: GrantFiled: November 16, 2005Date of Patent: April 21, 2009Assignee: American Aerogel CorporaitionInventors: Donald F Albert, Greg R Andrews, Joseph W Bruno