Ash Containing (e.g., Fly Ash, Volcanic Ash, Coal Ash, Etc.) Patents (Class 106/705)
  • Patent number: 10913179
    Abstract: A vehicle CO2 capture and utilization system includes a concrete mixer vehicle and a vehicle exhaust capture system. The concrete mixer vehicle comprises a vehicle exhaust and a mixer tank. The vehicle exhaust capture system is located onboard the concrete mixer vehicle. Additionally, the vehicle exhaust capture system includes one or more fluid pathways that fluidly couple the vehicle exhaust and the mixer tank.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: February 9, 2021
    Assignee: Saudi Arabian Oil Compay
    Inventors: Bandar Fadhel, Ahmad D. Hammad, Issam T. Amr, Rami A. Bamagain
  • Patent number: 10874975
    Abstract: A powdery calcium-magnesium compound used as a sorbent composition in flue gas treatment, compatible with electrostatic precipitators. The calcium magnesium compound is doped with calcium nitrate or nitric acid to reduce the electrical resistivity of the particles, increasing their collection efficiency.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: December 29, 2020
    Assignee: S. A. Lhoist Recherche et Developpement
    Inventors: Rodney Foo, David Lyons, Ian Saratovsky
  • Patent number: 10851018
    Abstract: An aggregate includes a polymeric foam present in a range of about 80 vol % to about 85 vol % of the aggregate. A cementitious matrix is present in a range of about 10 vol % to about 13 vol % of the aggregate. One or more resins are present in an amount of less than about 2 vol % of the aggregate, and one or more reinforcing fibers are present in an amount of less than about 1 vol % of the aggregate.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: December 1, 2020
    Inventor: Ali Amirzadeh
  • Patent number: 10815150
    Abstract: Presented and described is a method for manufacturing concrete elements having at least one concrete layer, wherein concrete for at least one element is introduced into a mould, the concrete is compacted by vibration and/or by tamping and subsequently cures, wherein to the concrete layer, prior to compaction, at least one portion of a granular material is applied by means of an application device, where the concrete introduced into the mould has a water/binder (w/b) ratio of 0.30 to 0.50 prior to curing and where as granular material a material is used comprising (a) a scatter component having an average particle diameter of 0.1 to 5 mm in an amount of 65 to 95 wt % and (b) binder in an amount of 5 to 35 wt %, based in each case on the overall composition of the granular material.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: October 27, 2020
    Assignee: METTEN Stein+Design GmbH & Co. KG
    Inventor: Michael Metten
  • Patent number: 10808924
    Abstract: The invention relates to a method for operating a fluidized bed boiler, comprising carrying out the combustion process with a fluidized bed comprising ilmenite particles, wherein the average residence time of the ilmenite particles in the boiler is at least 75 hours. The invention further relates to ilmenite particles obtainable by a corresponding method and the use of said ilmenite particles as oxygen-carrying material.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: October 20, 2020
    Assignee: Improbed AB
    Inventors: Bengt-Ake Andersson, Pavleta Knutsson, Fredrik Lind, Henrik Thunman
  • Patent number: 10688686
    Abstract: A vehicle CO2 capture and utilization system includes a concrete mixer vehicle and a vehicle exhaust capture system. The concrete mixer vehicle comprises a vehicle exhaust and a mixer tank. The vehicle exhaust capture system is located onboard the concrete mixer vehicle. Additionally, the vehicle exhaust capture system includes one or more fluid pathways that fluidly couple the vehicle exhaust and the mixer tank.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: June 23, 2020
    Assignee: Saudi Arabian Oil Company
    Inventors: Bandar Fadhel, Ahmad D. Hammad, Issam T. Amr, Rami A. Bamagain
  • Patent number: 10662116
    Abstract: Synthetic pozzolans are produced using local materials to provide a cementitious material that is uniform in chemistry and properties independent of the location where the materials are obtained. Two methods of production are described. One is a high temperature process in which materials are processed in a semi-molten or molten state. The second process is a low temperature aqueous process.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: May 26, 2020
    Assignee: Solidia Technologies, Ltd.
    Inventors: Vahit Atakan, Sean Quinn, Sadananda Sahu, Ahmet Cuneyt Tas
  • Patent number: 10494298
    Abstract: Cement-SCM compositions have improved strength compared to cement-SCM compositions made using conventional blended cements and methods. The cement-SCM compositions may contain: (A) a fine interground particulate component with (1) a hydraulic cement fraction and (2) a supplementary cementitious material (SCM) fraction; (B) a coarse particulate component comprised of coarse SCM particles not interground with the fine interground particulate component; and optionally (C) an auxiliary particulate component not interground with the fine interground particulate component or the coarse particulate component. A method of manufacturing a cement-SCM composition may be performed by: (A) intergrinding hydraulic cement (e.g.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: December 3, 2019
    Assignee: ROMAN CEMENT LLC
    Inventor: John M. Guynn
  • Patent number: 10457859
    Abstract: A proppant for use in hydraulic fracturing to stimulate a well is provided. The proppant is fly ash particles having a mean particle size (d50) of between 45 ?m and 150 ?m and a size distribution defined by (d10)?5 ?m and (d98)?250 ?m.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: October 29, 2019
    Assignee: UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION
    Inventors: Thomas Lee Robl, Anne Elizabeth Oberlink
  • Patent number: 10392307
    Abstract: A method for making geopolymer cementitious binder compositions for cementitious products such as concrete, precast construction elements and panels, mortar, patching materials for road repairs and other repair materials, and the like is disclosed. The geopolymer cementitious compositions of some embodiments are made by mixing a synergistic mixture of thermally activated aluminosilicate mineral, calcium sulfoaluminate cement, a calcium sulfate and a chemical activator with water.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: August 27, 2019
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventor: Ashish Dubey
  • Patent number: 10370295
    Abstract: It has been unexpectedly discovered that the addition of ground-granulated blast-furnace slag to non-spec fly ash significantly improves the properties of the non-spec fly ash to the extent it can be certified under ASTM C618 and AASHTO 295, as either a Class F or Class C fly ash. Other pozzolans may also be used for this beneficiation process. Many pozzolans are experimentally tested and may be used to beneficiate non-spec fly ash into certifiable Class F fly ash. Additionally, this disclosure provides a method of converting a Class C fly ash to a more valuable Class F fly ash. This discovery will extend diminishing Class F fly ash supplies and turn non-spec fly ash waste streams into valuable, certified fly ash pozzolan which will protect and enhance concrete, mortars and grouts.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: August 6, 2019
    Assignee: CR Minerals Company, LLC
    Inventors: Joseph Earl Thomas, Richard Douglas Carter, Jeffrey Alexander Whidden
  • Patent number: 10370294
    Abstract: A method of cementing a wellbore penetrating a subterranean formation comprises blending a base cement slurry with one or more liquid additives to provide a cementing composition, the base cement slurry comprising a liquid carrier, a class G cement or a blend of class G and class C cements as defined by the American Petroleum Institute (API) Specification 10A standards (R2015), and silica fume, or fumed silica, or a combination of silica fume and fumed silica, the base cement slurry having a density of about 14 to about 16 ppg; and injecting the cementing composition into the wellbore. The single base cement slurry can be used globally to make cementing compositions having wide ranges of density and temperature stability.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: August 6, 2019
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Shailesh Shashank Dighe, Shannon E. Bryant, Matthew Kellum, Gregory D. Dean, Antonio Bottiglieri
  • Patent number: 10315952
    Abstract: A solid component activator for use in a geopolymer cement containing a silico-aluminate material comprising a mixture of sodium silicate and sodium carbonate for activating the geopolymer cement by increasing reactivity of the silico-aluminate material in the geopolymer cement when forming geopolymer concrete.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: June 11, 2019
    Assignee: CEMENT AUSTRALIA PTY LIMITED
    Inventors: Desmond Peter Chalmers, Paul Gregory Kidd, Peter David Sleep
  • Patent number: 10308858
    Abstract: The use of gelatin-based copolymers containing at least one grafted side chain formed from ethylenically unsaturated compounds as an anti-accretion additive is proposed for water-based drilling fluids in the development, exploitation and completion of underground mineral oil and natural gas deposits and in deep wells. These copolymers are water-soluble and have good biodegradability.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: June 4, 2019
    Assignee: BASF SE
    Inventors: Andrea Assmann, Roland Reichenbach-Klinke, Jutta Karin Langlotz
  • Patent number: 10246626
    Abstract: Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: April 2, 2019
    Assignee: Saudi Arabian Oil Company
    Inventor: B. Raghava Reddy
  • Patent number: 10239786
    Abstract: The invention relates to geopolymer compositions, geopolymers and methods for their production and use. The geopolymers may be used as aggregates, and those aggregates may be used in concrete manufacture. The geopolymer composition comprises fly ash or a fly ash substitute, an aluminum phyllosilicate, an alkaline component and water, wherein the water is present at an amount of about 6% to about 10% by weight of the composition. The geopolymers are made by forming a geopolymer composition as described above, compacting the mixture by applying pressure of about 50 to about 90 kgf/cm2; and curing the compacted mixture to form the geopolymer.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: March 26, 2019
    Assignee: POLYAGG PTY LTD
    Inventor: Nicholas John Willis
  • Patent number: 10221096
    Abstract: A method for making geopolymer cementitious binder compositions for cementitious products such as concrete, precast construction elements and panels, mortar and repair materials, and the like is disclosed. The geopolymer cementitious compositions of some embodiments are made by mixing a synergistic mixture of thermally activated aluminosilicate mineral, calcium aluminate cement, a calcium sulfate and a chemical activator with water.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: March 5, 2019
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventor: Ashish Dubey
  • Patent number: 10167228
    Abstract: A method of producing high-strength cementitious product from raw fly ash by mixing the raw fly ash with a lithium compound, whereby milling of the raw fly ash to achieve requisite strength is unnecessary. It has now been found that by adding as little as 0.1% of lithium chloride to raw untreated Class C fly ash, one can achieve improved seven-day and twenty-eight-day compressive strength. At the very least, raw lithium treated Class C fly ash may be used at lower total cementitious content per yard of concrete as opposed to Ordinary Portland Cement (OPC) for improved compressive strength.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: January 1, 2019
    Assignee: VHSC, LTD.
    Inventor: Clinton Wesley Pike, Sr.
  • Patent number: 10118860
    Abstract: A batch composition for concrete includes a cementious material and aggregate material, the cementious material including at least 50% Portland cement and at least 1% of a dolomite mineral filler. The batch composition may be mixed with sufficient water to cause the cementious material in the batch composition to set and bind the entire mass to form a concrete.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: November 6, 2018
    Assignee: The National Lime and Stone Company
    Inventor: Marcus E. Powell
  • Patent number: 10087358
    Abstract: Disclosed herein are cement compositions using set-delayed cement compositions in subterranean formations. The composition may comprise a set-delayed cement composition comprising pumice, hydrated lime, a cement set retarder, a synthetic smectite, and water.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: October 2, 2018
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Peter James Boul, Kyriacos Agapiou, Thomas Jason Pisklak, Ronnie Glen Morgan, Lance Everett Brothers, Pauline Akinyi Otieno
  • Patent number: 10029235
    Abstract: Disclosed herein are activated carbon having a particle size distribution of d95 ranging from 1 ?m to 28 ?m and a d95/d50 ratio ranging from 1.5 to 3, compositions comprising such activated carbons and methods of making the same, and methods of mercury removal from flue gas generated from coal combustion by injecting activated carbon into the flue gas.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: July 24, 2018
    Assignee: Cabot Corporation
    Inventor: Gerald D. Adler
  • Patent number: 10005942
    Abstract: A thermal insulation coating composition includes a polymer having a C1-5 alkylene oxide repeat unit, aerogel and a water soluble binder.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: June 26, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Bokyung Kim, In Woong Lyo, Woong Pyo Hong, Hong Kil Baek, Kwang Hoon Choi, Seung Woo Lee, Jiyoun Seo
  • Patent number: 9963390
    Abstract: A dry cement mixture comprises Portland cement and an ultra-fine component consisting of at least one ultra-fine additive, said ultra-fine component being a hydraulic binder, wherein Portland cement is present in an amount of at least 70 wt % of the mixture and the ultra-fine component is present in an amount of at least 5 wt % of the mixture, wherein the ultra-fine component has a particle size distribution characterized by a particle diameter D10 of between 0.5 ?m and 2 ?m and a particle diameter D90 of between 2 ?m and 8 ?m.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: May 8, 2018
    Assignee: HOLCIM TECHNOLOGY, LTD.
    Inventors: Thomas Hoornaert, Stephane Gonichon, Delphine Vrau, Hubert Mahouche, Moussa Baalbaki, David Babayan
  • Patent number: 9868149
    Abstract: Feeders for use in the foundry industry comprising (a) rice husk ash containing, based on the total amount of the constituents detectable in the rice husk ash by quantitative phase analysis by means of x-ray diffractometry (i) crystalline modifications of silicon dioxide, (ii) monoclinic feldspar and (iii) amorphous silicon dioxide, a total content of at least 70 wt. %, preferably more than 75 wt. % of (i) crystalline modifications of silicon dioxide and (ii) monoclinic feldspar, wherein, based on the total weight of the shapeable composition of the feeder, the amount of this rice husk ash is in the range of from 5 to 50 wt. %, preferably 5 to 25 wt. %, (b) cured binder, (c) optionally fiber material, (d) optionally one or more further fillers, and (e) optionally an oxidizable metal and an oxidizing agent for the oxidizable metal are described.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: January 16, 2018
    Assignee: CHEMEX GMBH
    Inventors: Ulrich Recknagel, Ulrich Lanver
  • Patent number: 9802865
    Abstract: A nano-modified dry-mixed alkali-activated cementitious, or one-part geopolymer cement (OPgC), material with high early strength is provided for rapid repair of cement-based infrastructure components. The OPgC may include an aluminosilicate rich material, an alkali material and a nano-modifier, and optionally include other functional admixtures and fibers. The OPgC can be freshly mixed with water to obtain a repairing material. The OPgC may mix with water and fine or coarse aggregate to form mortar or concrete. The OPgC can be an alternative binding matrix for the development of an environmentally friendly and cost effective rapid repair material.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: October 31, 2017
    Assignee: Nano and Advanced Materials Institute Limited
    Inventors: Chung Kong Chau, Xiwen Guan, Binyu Zhang, Man Lung Sham
  • Patent number: 9679244
    Abstract: Provided is a method capable of predicting the quality of cement in a short time period and with high accuracy. The method of predicting the quality or manufacturing conditions of cement through use of a neural network including an input layer and an output layer includes: performing learning of the neural network for a sufficiently large number of times of learning such that ?L<?M is obtained, using learning data and monitor data; then repeating the learning of the neural network until ?L??M is obtained while the number of times of learning is decreased; inputting specific observation data to the input layer of the neural network in which a judgment value for analysis degree obtained from the neural network after the learning is less than a preset value; and outputting an estimated value of specific evaluation data from the output layer of the neural network.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: June 13, 2017
    Assignee: TAIHEIYO CEMENT CORPORATION
    Inventors: Maiko Ohno, Daisuke Kurokawa, Hiroshi Hirao
  • Patent number: 9656916
    Abstract: A method for making geopolymer cementitious binder compositions for cementitious products such as concrete, precast construction elements and panels, mortar, patching materials for road repairs and other repair materials, and the like is disclosed. The geopolymer cementitious compositions of some embodiments are made by mixing a synergistic mixture of thermally activated aluminosilicate mineral, calcium sulfoaluminate cement, a calcium sulfate and a chemical activator with water.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: May 23, 2017
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventor: Ashish Dubey
  • Patent number: 9643888
    Abstract: A method for making geopolymer cementitious binder compositions for cementitious products such as concrete, precast construction elements and panels, mortar and repair materials, and the like is disclosed. The geopolymer cementitious compositions of some embodiments are made by mixing a synergistic mixture of thermally activated aluminosilicate mineral, calcium aluminate cement, a calcium sulfate and a chemical activator with water.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: May 9, 2017
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventor: Ashish Dubey
  • Patent number: 9469570
    Abstract: A concrete composition is provided comprising a nonionic water-soluble cellulose ether, water, cement, a fine aggregate, and a coarse aggregate. The nonionic water-soluble cellulose ether has a 2 wt % aqueous solution viscosity of 3-1,000 mPa·s at 20° C. The concrete composition has a static slump/remix slump ratio of at least 0.50.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: October 18, 2016
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hidekazu Konishi, Tsutomu Yamakawa
  • Patent number: 9296652
    Abstract: A construction material mixture used as a concrete additive contains a puzzolanic substrate and a photocatalyst. The puzzolanic substrate and the photocatalyst are available in the form of a dry mixture. The construction material mixture is a cement free dry mixture, wherein the photocatalyst has a primary particle size of between 2 nm and 100 nm. The puzzolanic substrate consists of at least 90 weight % of fly ash with a grain size of between 0.1 ?m and 1 mm. The substrate and the photocatalyst are available completely mixed so that the photocatalyst is at least partially distributed on the surface of the substrate.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: March 29, 2016
    Assignees: Steag Power Minerals GmbH, Kronos International, Inc.
    Inventors: Werner Krohm, Jürgen Bender, Christian Scheidt
  • Patent number: 9169159
    Abstract: A hydrated cementitious blend, and method of using same, the blend comprising: a dry cementitious blend comprising the following, based on the total weight of the dry cementitious blend: aggregate comprising less than 3 wt. % calcium, based on the total weight of the aggregate; from about 75 wt. % to 82 wt. % pozzolonic material comprising improved ash comprising particles meeting the ASTM C 989-2010 testing protocol for grade 100 slag quality or higher, the improved ash being selected from the group consisting of fly ash, calcined or uncalcined volcanic ash, rice hull ash, and combinations thereof; a catalytically effective quantity of catalyst selected from the group consisting of alkali-containing zeolite, alkali-containing feldspathoid, and combinations thereof; and, an amount of water reducing component; the hydrated cementitious blend further comprising an amount of water producing a ratio of water to cementitious blend of from about 0.20 to about 0.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: October 27, 2015
    Assignee: Jerry Setliff
    Inventors: Jerry Setliff, Clinton W Pike
  • Patent number: 9090508
    Abstract: A geopolymer composite ultra high performance concrete (GUHPC), and methods of making the same, are provided herein, the GUHPC comprising: (a) a binder comprising one or more selected from the group consisting of reactive aluminosilicate and reactive alkali-earth aluminosilicate; (b) an alkali activator comprising an aqueous solution of metal hydroxide and metal silicate; and (c) one or more aggregate.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: July 28, 2015
    Assignee: The Catholic University of America
    Inventors: Weiliang Gong, Werner Lutze, Ian Pegg
  • Patent number: 9075037
    Abstract: The micro-solid phase extraction of haloacetic acids is a procedure that extracts haloacetic acids from aqueous solution using iron-modified rice husk silica as the stationary phase or sorbent. Rice husks provide an excellent source of silica. The sorbent is prepared by incinerating the husks to produce a powder that is treated with 1.0 M nitric acid for 24 hours to produce rice husk silica. The silica is washed with base, cetyltrimethylammonium bromide is added, and then titrated with a 10% Fe3+ solution to pH 5, which forms a gel. The gel is aged, filtered, dried, and calcined to produce a nitrate-free iron-modified rice husk sorbent. The sorbent is then packaged in porous, heat-sealed polypropylene membrane envelopes and used for extraction of HAAs from water. The HAA analytes are desorbed by ultrasonication in methanol for analysis and quantification.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: July 7, 2015
    Assignees: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY
    Inventors: Chanbasha Basheer, Hakimu Nsubuga
  • Patent number: 9067824
    Abstract: The present disclosure relates to methods for controlling the chemical composition of a first pozzolan by blending it with a different pozzolan having a different chemical composition. The method includes intimately mixing the two pozzolans and using a chemical analyzer to determine a chemical characteristic of the pozzolan fraction being produced. The output from the chemical analyzer is then used to control the blending of the first and second outputs to maintain the chemical characteristic within a desired range.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: June 30, 2015
    Assignee: ROMAN CEMENT, LLC
    Inventors: Andrew S. Hansen, John M. Guynn
  • Publication number: 20150101511
    Abstract: A fuel made from co-products derived from a lignocellulosic biomass fermentation process is used to fuel a cement production process. Filter cake and syrup co-products are mixed and dried, then burned in a cement kiln to create the temperatures needed for cement production.
    Type: Application
    Filed: October 9, 2014
    Publication date: April 16, 2015
    Inventors: John C. DERUYTER, Kenneth Miles HILL, Steven W. OGLE, Stephanie C. VRAKAS
  • Patent number: 8986444
    Abstract: A hybrid cement clinker incorporates specific ranges of clinker phases and falls within specific modulus values as set forth and described in this document.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: March 24, 2015
    Assignee: University of Kentucky Research Foundation
    Inventors: Thomas Robl, Tristana Duvallet, Robert Rathbone, Yongmin Zhou
  • Patent number: 8979997
    Abstract: A concrete mixture for forming a breathable concrete. The mixture comprises aggregate particles and a paste comprising water, cement or cement substitute, and plasticizer. The plasticizer controls the viscosity of the paste such that the paste forms a substantially uniform layer coating the particles, with the coated particles in contact, while allowing spaces to be retained there between. These spaces interconnect forming channels through the concrete, allowing air to permeate there through such that the concrete exhibits good dynamic insulation properties, whist retaining structural strength.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: March 17, 2015
    Assignee: University Court of the University of Aberdeen
    Inventors: Mohammed Imbabi, Fredrik Glasser, Jim Min Wong
  • Publication number: 20150068430
    Abstract: A concrete mix for producing freeze-thaw durable concrete having enhanced strength properties, like compressive strength, abrasion resistance, impact strength, toughness, is disclosed. The novel concrete mix contains deformable solid elements in place of 4-8% entrained air for good durability of concrete under freeze-thaw cycles.
    Type: Application
    Filed: November 13, 2014
    Publication date: March 12, 2015
    Inventor: Ashok H. Shah
  • Patent number: 8974593
    Abstract: Cement-SCM blends employ particle packing principles to increase particle packing density and reduce interstitial spacing between the cement and SCM particles. Particle packing reduces the amount of water required to obtain a cement paste having a desired flow, lowers the water-cementitious material ratio (w/cm), and increases early and long-term strengths. This may be accomplished by providing a hydraulic cement fraction having a narrow PSD and at least one SCM fraction having a mean particle size that differs from the mean particle size of the narrow PSD cement by a multiple of 3.0 or more to yield a cement-SCM blend having a particle packing density of at least 57.0%.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: March 10, 2015
    Assignee: Roman Cement, LLC
    Inventors: John M. Guynn, Andrew S. Hansen
  • Publication number: 20150060070
    Abstract: Cement compositions and methods of making the same are provided. The composition comprises cement or lime, water and Lassenite, a pozzolanic strength retrogression inhibitor.
    Type: Application
    Filed: August 30, 2013
    Publication date: March 5, 2015
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Ramesh Muthusamy, Tushar Gosavi, Rahul Chandrakant Patil
  • Patent number: 8968464
    Abstract: A plastic refractory material or a refractory mortar which harden when dried and which contain at least one light-weight filler, a binder, fibers and/or wollastonite as well as water is characterized in that blown closed-cell volcanic ash is used as the light-weight filler, the ash being provided with a superficial water-protection layer, in that an inorganic-organic hybrid binder is used as the binder, the binder containing silicic acid and an organic polymer, and in that the material or the mortar contains kaolin or kaolinite and silicon dioxide. It is suggested to publish the abstract without a drawing.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: March 3, 2015
    Assignee: TDH-GmbH Technischer Daemmstoffhandel
    Inventors: Rainer Angenendt, Peer Genth
  • Patent number: 8961684
    Abstract: A method and system for producing modified coal combustion products are disclosed. The additives reduce the particle sizes of the coal combustion product and may reduce the amount of un-burned carbon in the coal combustion product, making the modified product useful as an addition to cementitious materials.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: February 24, 2015
    Assignee: Ash Improvement Technology Inc.
    Inventor: Wayne Fried
  • Patent number: 8945300
    Abstract: A concrete mixture that includes aggregates, water and cement can include heavy oil ash instead of or in addition to a portion of the cement. In one embodiment, the heavy oil ash originates from heavy fuel oil burned in a power generation plant. The weight of the heavy oil ash used in the concrete mixture can be from greater than 0 to about 10% of the weight of the cement.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: February 3, 2015
    Assignee: Saudi Arabian Oil Company
    Inventors: Mohammed Al-Mehthel, Abdulaziz S. Al-Utaibi, Mohammed Maslehuddin, Mohammed Rizwan Ali
  • Patent number: 8936677
    Abstract: The invention concerns a method for beneficiation of fly ash particles comprising: determining the heat value of the fly ash particles; comparing the determined heat value of the fly ash particles with a minimum heat value K; feeding an inlet of a combustor (5) with a feed material comprising the fly ash particles and, in case the determined heat value is lower than the minimum heat value K, fuel in sufficient quantity to assure that the heat value of the raw material is greater than or equal to the minimum heat value K; supplying an upstream airflow to the combustor (5) so as to carry the feed material in suspension from the inlet to an outlet of the combustor; operating the combustor (5) at a temperature of at least 700° C.; collecting beneficiated fly ash particles from the airflow at the outlet of the combustor (5). The invention also concerns an installation for implementation of the said method.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: January 20, 2015
    Assignee: Cemex Research Group AG
    Inventors: Javier Vazquez Favela, Maria Claudia Ramirez Carrero, César Alberto Sosa Blanco, Hugo Bolio Arceo
  • Patent number: 8932402
    Abstract: Hydraulic binder comprising: at least one first calcium aluminosilicate derivative with a fineness of less than 6000 Blaine, slag microparticles with a fineness of greater than or equal to 6000 Blaine in an amount of between 1 and 35% of the total weight of the binder, preferably of between 5 and 15%, at least one source of calcium sulphate and at least one base in an amount of less than or equal to 1% of the total weight of the binder.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: January 13, 2015
    Assignee: Saint-Gobain Weber
    Inventors: Frank Hesselbarth, Udo Dudda
  • Publication number: 20150007751
    Abstract: A method for making a low-alkali fly ash cement includes forming a mixture of class C fly ash and an aqueous solution and forming low-alkali fly ash cement from the mixture. The aqueous solution has an alkali at a molar concentration between about 0.002 M and about 2 M. A low-alkali fly ash cement includes class C fly ash and an alkali activating agent. The low-alkali fly ash cement contains between about 3×10?4 wt % alkali activating agent and about 2 wt % alkali activating agent. A method for making fly ash cement includes forming a mixture of class C fly ash and water, wet pressing the mixture and forming fly ash cement from the mixture by curing the mixture at a temperature between about 60° C. and about 90° C.
    Type: Application
    Filed: July 3, 2013
    Publication date: January 8, 2015
    Inventors: Surojit Gupta, M. Faisal Riyad
  • Publication number: 20150007752
    Abstract: Provided herein are compositions comprising concrete and one or more phase change materials (PCMs) for prevention or reduction of thermal damage in a cementitious system, and uses thereof.
    Type: Application
    Filed: February 15, 2013
    Publication date: January 8, 2015
    Inventors: Gaurav Sant, Narayanan Neithalath
  • Patent number: 8916277
    Abstract: Wallboards, as well as other building materials, are produced by methods which use significantly reduced embodied energy, generating far less greenhouse gases when compared with the energy used to fabricate gypsum wallboard. A novel cementitious core, consisting in one embodiment of post-industrial waste such as slag and combined with pH modifiers, provides a controlled exothermic reaction to create a gypsum-wallboard-like core which can be wrapped in a selected material such as recycled paper and manufactured on a conveyor system to appear, weigh and handle similar to gypsum wallboard, but without the large amounts of energy required to make gypsum wallboard. The manufacturing process results in lower greenhouse gas emissions than the processes used to make gypsum wallboard.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: December 23, 2014
    Assignee: Serious Energy, Inc.
    Inventors: Kevin Surace, Meredith Ware, Denise Hoover, Jiaping Han, Tiandan Chen
  • Patent number: 8911548
    Abstract: Chemically bonded ceramics and manufacturing processes are described. In one aspect, a manufacturing process of a chemically bonded ceramic is carried out by: (1) combining an acidic liquid and Fly ash to form a mixture; and (2) curing the mixture to form the chemically bonded ceramic. The Fly ash corresponds to at least a majority by weight of solids combined with the acidic liquid to form the mixture.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: December 16, 2014
    Assignee: The Regents of the University of California
    Inventors: Henry A. Colorado, Jenn-Ming Yang
  • Publication number: 20140360409
    Abstract: The description relates to production of fly ash with properties suitable for use in Portland cement. The fly ash compositions will contain coal ash, water-insoluble copper compositions and metallic mercury adsorbed onto ash particles. In one aspect, the coal ash composition will have a total mercury content of from 0.1 to 2.0 ppm and the water-soluble mercury is less than 20% of the total mercury content. The process entails combusting coal to produce hot combustion gases containing fly ash, CO2, chlorine, and mercury, cooling the combustion gases and introducing into the combustion gases at a temperature of less than 1000° F., preferably within the range of from about 250° to about 900° F., a copper-based chloride remediator (CBCR), and collecting the fly ash which comprises insoluble copper compositions and water insoluble mercury compositions.
    Type: Application
    Filed: August 26, 2014
    Publication date: December 11, 2014
    Inventors: Christopher R. Smyrniotis, Kent W. Schulz, Emelito P. Rivera, Ian Saratovsky, Vasudeo S. Gavaskar