SUD-CHEMIE INC. Patent applications |
Patent application number | Title | Published |
20140155260 | COMPOSITION AND PROCESS FOR MERCURY REMOVAL - A process for removing mercury from a gas or liquid phase, wherein the gas or liquid phase containing mercury is placed in contact with a composition comprising a precipitated metal sulfide. The precipitated metal sulfide may be made by the process of combining a metal source, sulfide source, and modifier to form the precipitated metal sulfide. The metal source may comprise iron, cobalt, nickel, copper, zinc, zirconium, molybdenum, silver, or gold salts. The metal salt may be selected from metal nitrate, metal sulfate, metal phosphate, metal acetate, metal carbonate, metal hydroxide, metal ammonium carbonate, and metal hydroxycarbonate. The sulfide source is selected from hydrogen sulfide (H | 06-05-2014 |
20130152788 | COMPOSITION AND PROCESS FOR MERCURY REMOVAL - A process for removing mercury from a gas or liquid phase, wherein the gas or liquid phase containing mercury is placed in contact with a composition comprising a precipitated metal sulfide. The precipitated metal sulfide may be made by the process of combining a metal source, sulfide source, and modifier to form the precipitated metal sulfide. The metal source may comprise iron, cobalt, nickel, copper, zinc, zirconium, molybdenum, silver, or gold salts. The metal salt may be selected from metal nitrate, metal sulfate, metal phosphate, metal acetate, metal carbonate, metal hydroxide, metal ammonium carbonate, and metal hydroxycarbonate. The sulfide source is selected from hydrogen sulfide (H | 06-20-2013 |
20130078540 | DESULFURIZATION SYSTEM AND METHOD FOR DESULFURIZING A FUEL STREAM - A method for producing a substantially desulfurized a hydrocarbon fuel stream at temperatures less than 100° C. The method includes providing a nondesulfurized fuel cell hydrocarbon fuel stream that may include water and passing the fuel stream sequentially through a zeolite Y adsorbent and a selective sulfur adsorbent. The zeolite Y adsorbent may be exchanged with copper ions. The method produces a substantially desulfurized hydrocarbon fuel stream containing less than 50 ppb sulfur. | 03-28-2013 |
20120142978 | PROMOTED COPPER/ZINC CATALYST FOR HYDROGENATING ALDEHYDES TO ALCOHOLS - A catalyst for hydrogenating aldehydes to alcohols includes a combination of copper oxide and zinc oxide and promoters including one or more alkaline earth metal promoters and/or one or more transition metal promoters. The promoters may be combined with copper oxide and zinc oxide after formation of a copper/zinc precursor material. | 06-07-2012 |
20120121500 | ULTRA HIGH TEMPERATURE SHIFT CATALYST WITH LOW METHANATION - A water gas shift catalyst for use at temperatures above about 450° C. up to about 900° C. or so comprising rhenium deposited on a support, preferably without a precious metal, wherein the support is prepared from a high surface area material, such as a mixed metal oxide, particularly a mixture of zirconia and ceria, to which may be added one or more of a high surface area transitional alumina, an alkali or alkaline earth metal dopant and/or an additional dopant selected from Ga, Nd, Pr, W, Ge, Fe, oxides thereof and mixtures thereof. | 05-17-2012 |
20110319672 | Conversion Of Sugar, Sugar Alcohol, Or Glycerol To Valuable Chemicals Using A Promoted Zirconium Oxide Supported Catalyst - A process for converting a sugar, sugar alcohol, or glycerol to a valuable chemical is described. The process may use a support comprising zirconium oxide promoted by a polyacid or promoter material. A catalytically active metal may be impregnated on the polyacid-promoted zirconium oxide support and the catalyst may then be introduced the sugar, sugar alcohol, or glycerol a source of hydrogen under reaction conditions. At least 40 wt % of the sugar, sugar alcohol or glycerol may be converted to a polyol and/or a shorter carbon-chain alcohol that may include at least one of propylene glycol, ethylene glycol, glycerin, methanol, ethanol, propanol and butandiols. Specific processes for converting glycerin having a selectivity for propylene glycol and for converting sorbitol with a selectivity for propylene glycol, ethylene glycol, and/or glycerin are also described. | 12-29-2011 |
20110301021 | PROMOTED ZIRCONIUM OXIDE CATALYST SUPPORT - A polyacid-promoted, zirconia catalyst or catalyst support having a high crush strength, surface area and pore volume is described. The polyacid-promoted, zirconia catalyst or catalyst support may be made by combining a zirconium compound with a polyacid/promoter material that includes the group 6 metals (i.e., chromium (Cr), molybdenum (Mo), tungsten (W)), as well as phosphoric acids, sulfuric acids, and polyorganic acids. The zirconyl-promoter precursor may be extruded in the absence of any binder or extrusion aid. The polyacid-promoted, zirconia catalyst or catalyst support is hydrothermally stable in aqueous phase hydrogenation or hydrogenoloysis reactions. | 12-08-2011 |
20110251448 | ENDOTHERMIC HYDROCARBON CONVERSION PROCESS - The present invention is an improved cyclic, endothermic hydrocarbon conversion process and a catalyst bed system for accomplishing the same. Specifically, the improved process comprises reacting a hydrocarbon with a multi-component catalyst bed in such a manner that the temperature within the catalyst bed remains within controlled temperature ranges throughout all stages of the process. The multi-component catalyst bed comprises a reaction-specific catalyst physically mixed with a heat-generating material. | 10-13-2011 |
20110044874 | Oxidation Catalyst and Method for Destruction of CO, VOC and Halogenated VOC - An oxidation catalyst deposited on a substrate is described for the destruction of CO and volatile organic compounds, in particular halogenated organic compounds, from an emissions stream at temperatures from 250° C. to 450° C. The oxidation catalyst includes at least two platinum group metals, one of which is either platinum or ruthenium, supported on refractory oxides, such as a solid solution of CeO | 02-24-2011 |
20100292076 | ULTRA HIGH TEMPERATURE SHIFT CATALYST WITH LOW METHANATION - A water gas shift catalyst for use at temperatures above about 450° C. up to about 900° C. or so comprising a partially reducible transition metal oxide without an active metal added thereto. | 11-18-2010 |
20100081567 | PROCESS FOR SULFIDING CATALYSTS FOR A SOUR GAS SHIFT PROCESS - A process for the sulfidation of a sour gas shift catalyst, wherein the temperature of the sulfidation feed stream is coordinated with the sulfur/hydrogen molar ratio in that feed stream to obtain enhanced performance of the sour gas shift catalyst. In the sulfidation process to produce a sour gas shift catalyst, the lower the sulfur to hydrogen molar ratio of the sulfidation feed stream, the lower the required temperature of the sulfidation feed stream. The sulfidation reaction can be further enhanced by increasing the pressure on the sulfidation feed stream. | 04-01-2010 |
20100010280 | CATALYST FOR DEHYDROGENATION OF HYDROCARBONS - A stationary or fluid bed dehydrogenation catalyst containing an alumina carrier, with chromium and alkali metals consisting of only sodium and potassium, added as promoters. The resultant catalyst demonstrates greater selectivity and olefin yield than prior art dehydrogenation catalysts, especially after aging. | 01-14-2010 |
20090272675 | Desulfurization system and method for desulfurizing a fuel stream - A method for producing a substantially desulfurized a hydrocarbon fuel stream at temperatures less than 100° C. The method includes providing a nondesulfurized fuel cell hydrocarbon fuel stream that may include water and passing the fuel stream sequentially through a zeolite Y adsorbent and a selective sulfur adsorbent. The zeolite Y adsorbent may be exchanged with copper ions. The method produces a substantially desulfurized hydrocarbon fuel stream containing less than 50 ppb sulfur. | 11-05-2009 |
20090232728 | ULTRA HIGH TEMPERATURE SHIFT CATALYST WITH LOW METHANATION - A water gas shift catalyst for use at temperatures above about 450° C. up to about 900° C. or so comprising rhenium deposited on a support, preferably without a precious metal, wherein the support is prepared from a high surface area material, such as a mixed metal oxide, particularly a mixture of zirconia and ceria, to which may be added one or more of a high surface area transitional alumina, an alkali or alkaline earth metal dopant and/or an additional dopant selected from Ga, Nd, Pr, W, Ge, Fe, oxides thereof and mixtures thereof. | 09-17-2009 |
20090203520 | SELECTIVE HYDROGENATION CATALYST DESIGNED FOR RAW GAS FEED STREAMS - A catalyst for selective hydrogenation of acetylenes and diolefins, particularly in a raw gas feed stream for front end selective hydrogenation. The catalyst contains a low surface area carrier with a surface area from about 2-20 m2/g, wherein the pore volume of the pores of the carrier is greater than about 0.4 cc/g, at least 90 percent of the pore volume of the pores is contained within pores having a pore diameter greater than about 500 Å and about 1 to about 2 percent of the total pore volume is contained in pores with a pore diameter from about 500 to about 1,000 Å. The palladium comprises about 0.01 to about 0.1 weight % and a Group IB metal comprises about 0.005 to about 0.06 weight % of the catalyst. | 08-13-2009 |
20090118119 | WATER GAS SHIFT CATALYST - A water gas shift catalyst comprising a precious metal deposited on a support, wherein the support is prepared from a mixture comprising a low surface area material, such as an aluminate, particularly a hexaaluminate, and a high surface area material, such as a mixed metal oxide, particularly a mixture of zirconia and ceria, to which may be added one or more of a high surface area transitional alumina, an alkali or alkaline earth metal dopant and an additional dopant selected from Ga, Nd, Pr, W, Ge, Au, Ag, Fe, oxides thereof and mixtures thereof. | 05-07-2009 |
20090108238 | CATALYST FOR REFORMING HYDROCARBONS - A catalyst for reforming hydrocarbons comprising a precious metal, preferably selected from the group consisting of rhodium, platinum, palladium, osmium, iridium, ruthenium, rhenium, and combinations thereof deposited on a support, wherein the support is produced from a mixture of a low surface area material and a high surface area material. | 04-30-2009 |
20090056361 | MOISTURE ABSORBING PRODUCT FOR USE IN CONTAINERS - A moisture absorbing product, particularly for use in containers or railcars, includes a desiccant container including a plurality of separate desiccant holding compartments, each containing a quantity of desiccant material, a support over which the desiccant material is placed, a sheeting material, which substantially covers the desiccant container and which is permeable to gaseous water vapor but substantially impermeable to liquid water, and a strap with hook, secured to or within the support or desiccant container, which strap and hook are useful for hanging the moisture absorbing product within the container or railcar. | 03-05-2009 |