Patent application number | Description | Published |
20080203627 | Ceramic materials for 4-way and NOx adsorber and method for making same - Disclosed are ceramic articles comprising a sintered phase ceramic composition containing, as expressed on a weight percent oxide basis: a(Al | 08-28-2008 |
20090143221 | Zeolite-Based Honeycomb Body - Zeolite-based honeycomb bodies and methods of manufacturing same. Zeolite-based honeycomb bodies especially suited for engine exhaust treatment applications include a primary phase comprising a zeolite having a SiO2 to Al2O3 molar ratio in the range from 5 to 300. The zeolite-based composites are porous with an open porosity of at least 25% and a median pore diameter of at least 1 micron. The zeolite-based honeycomb bodies can be manufactured by an extrusion method. | 06-04-2009 |
20100221160 | Ceria-Zirconia-Zeolite Catalyst Body - A catalyst body which includes ceria:zirconia and a metal-zeolite, and is substantially free, or free, of tungsten or tungsten compounds, and methods of manufacture. The ceria and zirconia are present with a zirconia/ceria mole ratio of less than or equal to 1.0. The catalyst body is especially useful in NOx reduction applications. | 09-02-2010 |
20100222205 | Method Of Manufacturing A Catalyst Body By Post-Impregation - A method of manufacturing a catalyst body which includes: combining one or more inorganic components with an inorganic binder, and optionally with an organic binder, to form a mixture, the one or more inorganic components comprising a primary phase material being zeolite, or CeO | 09-02-2010 |
20100234216 | Ceramic Materials For 4-Way And NOx Adsorber And Method For Making Same - Disclosed are ceramic articles comprising a sintered phase ceramic composition containing, as expressed on a weight percent oxide basis: a(Al | 09-16-2010 |
20100296992 | Honeycomb Catalyst And Catalytic Reduction Method - Honeycomb catalyst structures and methods of using them, where the structures have honeycomb channel walls of selective catalytic reduction catalyst, the channel walls occupy at least 20% of the volume of the structure, the structure exhibits a pressure drop for flowing air not exceeding about 110 Pa at a space velocity of 20,000 hr | 11-25-2010 |
20100304957 | Zeolite-Based Honeycomb Body - Zeolite-based honeycomb bodies and methods of manufacturing same. Zeolite-based honeycomb bodies especially suited for engine exhaust treatment applications include a primary phase comprising a zeolite having a SiO2 to Al2O3 molar ratio in the range from 5 to 300. The zeolite-based composites are porous with an open porosity of at least 25% and a median pore diameter of at least 1 micron. The zeolite-based honeycomb bodies can be manufactured by an extrusion method. | 12-02-2010 |
20110195838 | ALUMINUM TITANATE CERAMIC FORMING BATCH MIXTURES AND GREEN BODIES INCLUDING PORE FORMER COMBINATIONS AND METHODS OF MANUFACTURING AND FIRING SAME - A ceramic forming batch mixture including inorganic batch materials, such as sources of alumina, titania, and silica, a pore former combination including first and second pore formers with different compositions; an organic binder; and a solvent. Also disclosed is a method for producing a ceramic article involving mixing the inorganic batch materials with the pore former combination having first and second pore formers of different composition, adding an organic binder and a solvent, forming a green body; and firing the green body. A green body having a combination of first and second pore formers with different compositions is disclosed, as are several methods for firing to produce ceramic articles such as aluminum titanate. | 08-11-2011 |
20110212007 | LOW PRESSURE DROP EXTRUDED CATALYST FILTER - A batch composition for making a highly porous honeycomb ceramic catalytic filter article, including base inorganic components including a mixture of a nano-zeolite powder, and an inorganic filler, in amounts defined herein; and super additives including: a mixture of at least two pore formers; a binder; and a metal salt, in amounts defined herein. Also disclosed are extruded catalyst filter articles and methods for making the articles. | 09-01-2011 |
20110294655 | Method Of Manufacturing A Transition Metal Catalyzed Zeolite Body - A method of manufacturing a catalyst body which includes: soaking at least part of a fired zeolite-based body in a transition metal oxide solution; removing the body from the transition metal oxide solution; exposing the body to a humidified atmosphere at one or more temperatures above 20° C.; then drying the body; and calcining the body. | 12-01-2011 |
20120020855 | Flow-Through Substrates and Methods for Making and Using Them - Flow-through substrates, such as honeycombs, comprising certain zeolites. The flow-through substrates may be used, for example, in the removal of a heavy metal from a fluid such as a gas stream. | 01-26-2012 |
20120046157 | Particulate Filter And Methods For Filter Strength And Pore Size Modification - A method for strengthening an extruded catalyst honeycomb filter body, including:
| 02-23-2012 |
20120058034 | Zeolite and Redox Oxide Combined Catalyst Body - Extruded honeycomb catalyst bodies and methods of manufacturing same. The catalyst body includes a first oxide selected from the group consisting of tungsten oxides, vanadium oxides, and combinations thereof, a second oxide selected from the group consisting of cerium oxides, lanthanum oxides, zirconium oxides, and combinations thereof, and a zeolite. | 03-08-2012 |
20120102706 | Methods of Making Filter Apparatus and Fabricating a Porous Ceramic Article - Methods of making a filter apparatus includes the step of creating a filter stack by axially spacing the porous ceramic plates from one another with a plurality of compliant spacers. In another example, the method includes the step of firing the first filter stack to sinter bond the first plurality of porous ceramic plates together with a first spacing element. In another example, the plurality of plates comprise a composition including catalyst particles and a binder material and the plates are fired to form porous plates without sintering a substantial amount of the catalyst particles. Methods of fabricating a porous ceramic article also include providing a porous substrate with a first material composition including mullite and infiltrating the pores of the substrate with a second material composition including cordierite. The method further includes the step of firing the first composition and the second composition to form the porous ceramic article. | 05-03-2012 |
20120102902 | Filter Apparatus With Porous Ceramic Plates - A filter apparatus comprises a filter stack including a plurality of porous ceramic plates that are axially spaced from one another to define plurality of axially spaced apart radial flow areas. In one example, the filter stack is mounted within a housing. In further examples, the plurality of porous ceramic plates alternate between a first set of porous ceramic plates that are nested with a second set of porous ceramic plates. In still further examples, at least one of the sides of the porous ceramic plates defines a plurality of radial flutes arranged in a radial array. | 05-03-2012 |
20120115716 | Surface Modified Activated Carbon Sorbent - A flow-through substrate having a treated activated carbon surface, useful, for example, in the removal of a toxic metal from a fluid. | 05-10-2012 |
20120129681 | Method of Controlling Ce:Zr Ratio In Oxide Nanoparticles - A method of making a nanoparticle catalyst composition including: a single heating of an aqueous salt solution comprising a Ce, a Zr, a rare earth dopant, and a transition metal oxide precursor to provide nanoparticles, the nanoparticles have a compositional gradient comprised of a CeZrREO | 05-24-2012 |
20120272823 | Article for CO2 Capture Having Heat Exchange Capability - An article comprising a plurality of intersecting walls having outer surfaces that define a plurality of cells extending from one end to a second end, wherein the walls forming each cell in a first subset of cells are covered by a barrier layer to form a plurality of heat exchange flow channels, and wherein the walls forming each cell in a second subset of cells different from the first subset of cells, comprise a CO | 11-01-2012 |
20130047842 | Thermally Integrated Adsorption-Desorption Systems and Methods - High volumetric-efficiency thermally integrated systems for capturing a target gas from a process gas stream include a monolithic body and a distribution system. The monolithic body includes a first plurality of channels and a second plurality of channels each having sorbent surfaces that reversibly adsorb the target gas. The channels are in thermal communication such that heat from an exothermic adsorption of target gas in one plurality of channels is used by an endothermic desorption of target gas from the other plurality of channels. Methods for separating a target gas from a process gas stream include switching the high volumetric-efficiency thermally integrated systems between a first state and a second state. In the first state, the first plurality of channels undergoes desorption while the second undergoes adsorption. In the second state, the second plurality of channels undergoes desorption while the first plurality undergoes adsorption. | 02-28-2013 |
20130068101 | Sorbent Substrates for CO2 Capture and Methods for Forming the Same - Sorbent substrates for CO | 03-21-2013 |
20130224091 | Low Pressure Drop Extruded Catalyst Filter - A batch composition for making a highly porous honeycomb ceramic catalytic filter article, including base inorganic components including a mixture of a nano-zeolite powder, and an inorganic filler, in amounts defined herein; and super additives including: a mixture of at least two pore formers; a binder; and a metal salt, in amounts defined herein. Also disclosed are extruded catalyst filter articles and methods for making the articles. | 08-29-2013 |
20130243675 | SEGMENTED REACTORS FOR CARBON DIOXIDE CAPTURE AND METHODS OF CAPTURING CARBON DIOXIDE USING SEGMENTED REACTORS - A reactor for adsorbing CO | 09-19-2013 |
20140216639 | SORBENT SUBSTRATES FOR CO2 CAPTURE AND METHODS FOR FORMING THE SAME - Sorbent substrates for CO | 08-07-2014 |
20140271394 | IMPERMEABLE POLYMER COATING ON SELECTED HONEYCOMB CHANNEL SURFACES - Absorbent structures for CO | 09-18-2014 |
20140311341 | SORBENT COMPOSITIONS, SORBENT ARTICLES, METHODS FOR PREPARING SORBENT ARTICLES, AND METHODS FOR CAPTURING TARGET GASES USING THE SORBENT ARTICLES - Articles for capturing or separating a target gas from a gas stream may include a porous substrate such as a flexible sheet or mat, or a rigid ceramic monolith impregnated or coated with a sorbent composition. The sorbent composition may include a polyamine and a coexistent polymer chemically bonded to the polyamine. The polyamine may include a polyethylenimine. The coexistent polymer may include a polyurethane, a polyolefin-acrylic acid copolymer, or a combination thereof. The sorbent composition may be substantially less water-insoluble than compositions containing only a polyamine and may have high durability and good adsorption capacity for acidic target gases such as carbon dioxide. Methods for preparing the articles using aqueous polymer solutions are provided. Methods for capturing or separating target gases using the articles are provided. | 10-23-2014 |
20140366725 | THERMALLY INTEGRATED ADSORPTION-DESORPTION SYSTEMS AND METHODS - High volumetric-efficiency thermally integrated systems for capturing a target gas from a process gas stream include a monolithic body and a distribution system. The monolithic body includes a first plurality of channels and a second plurality of channels each having sorbent surfaces that reversibly adsorb the target gas. The channels are in thermal communication such that heat from an exothermic adsorption of target gas in one plurality of channels is used by an endothermic desorption of target gas from the other plurality of channels. Methods for separating a target gas from a process gas stream include switching the high volumetric-efficiency thermally integrated systems between a first state and a second state. In the first state, the first plurality of channels undergoes desorption while the second undergoes adsorption. In the second state, the second plurality of channels undergoes desorption while the first plurality undergoes adsorption. | 12-18-2014 |