| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 252189000 | CO, S, NEGATIVE ELEMENT, OR ACID, BINDANT CONTAINING | 53 |
| 20100308261 | SYSTEM AND METHOD FOR PRODUCING IODINE COMPOUND | 12-09-2010 |
| 20120132853 | METHOD OF PROTECTING MEMBRANES - The present invention relates to a method of protecting membranes by treatment with an aqueous solution containing at least one water-soluble, nucleophilic compound, and the use of this aqueous solution for protecting matrices. | 05-31-2012 |
| 20120161071 | ACID GAS ABSORBENT, ACID GAS REMOVAL METHOD, AND ACID GAS REMOVAL DEVICE - An acid gas absorbent of which recovery amount of acid gas such as carbon dioxide is high, and an acid gas removal device and an acid gas removal method using the acid gas absorbent are provided. The acid gas absorbent of the embodiment comprising at least one type of tertiary amine compound represented by the following general formula (1). | 06-28-2012 |
| 20130214202 | PREPARATION OF AN AMINE BASED SOLVENT CONTAMINATED BY THE INTRODUCTION OF SULFUR OXIDES - A method for processing an amine-based solvent contaminated by the introduction of sulfur oxides is provided. A potassium compound is introduced into a contaminated solvent, and the contaminated solvent is cooled so that a solubility of a potassium sulfate becomes less than a specified concentration of potassium sulfate. Further, an oxidizing agent is introduced into the contaminated solvent so that a potassium sulfite is oxidized to potassium sulfate. The potassium sulfate is filtered out, wherein a prepared solvent is formed. Further, a device for processing an amine-based, sulfur oxide-contaminated solvent is provided. | 08-22-2013 |
| 20130320258 | Synergistic H2S Scavengers - The use of a composition that includes a metal salt and an oil soluble amine formaldehyde reaction product scavenges H | 12-05-2013 |
| 20130320259 | SOLVENT, PROCESS FOR PROVIDING AN ABSORPTION LIQUID, AND USE OF THE SOLVENT - A solvent for selective absorption of CO | 12-05-2013 |
| 20140042362 | IN SITU GENERATION OF POLYSULFIDE IONS USING ELEMENTAL SULFUR FOR IMPROVED CORROSION CONTROL, CYANIDE MANAGEMENT, MERCURY MANAGEMENT, ARSINE MANAGEMENT AND PERFORMANCE AND RELIABILITY OF ACID GAS REMOVAL EQUIPMENT - Methods and systems are provided for the in situ generation of polysulfide ions in a process stream including S | 02-13-2014 |
| 20140084208 | SOLVENT, PROCESS FOR PROVIDING AN ABSORPTION LIQUID, AND USE OF THE SOLVENT - A solvent for selective absorption of CO | 03-27-2014 |
| 20140103255 | ALIPHATIC AMINE BASED NANOCARBONS FOR THE ABSORPTION OF CARBON DIOXIDE - A composition of matter, and method to make same, for a nano-based material including a nanocarbon support to which is attached an aliphatic amine. In particular, the composition of matter is an aliphatic amine-nanocarbon material that includes a nanocarbon (NC) support, such as C | 04-17-2014 |
| 20140110629 | Process for obtaining adsorbent material based on porous silicates for reduction of sulfur and nitrogen in oil fractions - The present invention relates to the process of obtaining adsorbent materials based upon supported metal species on porous silicates, and their use for reducing the amount of sulfur and nitrogen contaminants in petroleum fractions and products derived of, i.e., light and heavy gas oils, FCC gasoline and fuels, where FCC stands for Fluid Catalytic Cracking process. | 04-24-2014 |
| 20140145110 | SYSTEM AND METHOD FOR CARBON DIOXIDE CAPTURE AND SEQUESTRATION UTILIZING AN IMPROVED SUBSTRATE STRUCTURE - A structure and system for the adsorption of carbon dioxide from air, the system comprising a sorbent structure comprising a porous substrate having a porous alumina coating on the surfaces of said substrate, and the sorbent for carbon dioxide is embedded on the surfaces of said porous alumina coating. The substrate is preferably a porous monolith, formed from silica or mesocellular foam. The sorbent is an amine group-containing material, preferably loaded at 40 to 60 percent by volume relative to the porous alumina coating. | 05-29-2014 |
| 20140175334 | POLYMETALLIC CAPTURE MASS FOR CAPTURING HEAVY METALS - The invention concerns a capture mass for capturing heavy metals in a liquid or gaseous effluent, comprising a porous solid support, copper sulphide and at least one second metal sulphide the metal of which is selected from the group constituted by chromium, manganese, iron, cobalt and nickel, and in which the ratio of the percentage by weight of the metal or metals other than copper to the percentage by weight of copper is in the range 0.01 to 2. The invention also concerns a process for preparing said capture mass and a process for capturing heavy metals in a gaseous or liquid effluent, in which said effluent is brought into contact with said capture mass. | 06-26-2014 |
| 20140339468 | METHOD FOR SEPARATING ARSENIC AND HEAVY METALS IN AN ACIDIC WASHING SOLUTION - A method for separating arsenic and heavy metals in an acidic washing solution which contains both arsenic and heavy metal, more particularly in a washing solution which is formed in copper smelting and contains sulphuric acid, comprises a separation process section, in which arsenic and at least one primary heavy metal are separated from one another. The separation process section comprises a processing step, in which hydrogen peroxide H2O2 is added to the washing solution, and the separation process section comprises a precipitation stage, in which the washing solution is admixed with a sulphide precipitation reagent, causing the at least one primary heavy metal to precipitate in the form of a metal sulphide. The processing step in this system is carried out before the precipitation stage. | 11-20-2014 |
| 20140353550 | ADDITIVE CONCENTRATE AND USE THEREOF - The invention is directed to an additive composition comprising at least one clarifying and/or nucleating agent for polyolefins, which agent is a powder having a melting point of at least 190° C., in an amount of at least 70 wt. %, based on the weight of the composition, and at least one wax having a viscosity, as defined herein of at least 500 m Pa·s, in an amount between 0.5 and 30 wt. %, based on the weight of the composition. | 12-04-2014 |
| 20140367612 | ORGANIC AMINE DECARBONIZATION SOLUTIONS - An organic amine decarbonization solution includes: i) one or more organic amines serving as a carbon dioxide absorbent; and ii) an antioxidant. The antioxidant includes: a) one or more organometallic complexes of Formula [M | 12-18-2014 |
| 20150083964 | METHOD AND DEVICE FOR EXTRACTING HIGHLY VOLATILE DEGRADATION PRODUCTS FROM THE ABSORBENT LOOP OF A CO2 SEPARATION PROCESS - Apparatus and process for removal of volatile degradation products from the absorbent circuit of a CO2 separation process are provided. The CO2 separation process may use the absorbent circuit in an absorption process and a desorption process. Condensate is withdrawn from a condensation process connected downstream of the desorption process, and purified to substantially free such condensate of degradation products. The purified condensate is recycled back to the absorbent circuit. | 03-26-2015 |
| 20150375137 | METHOD AND DEVICE FOR TREATMENT OF AN AMINO ACID SALT SOLUTION THAT IS CONTAMINATED WITH CARBON - A device and a method are for treatment of an amino acid salt solution that is contaminated with carbon dioxide and is an absorbent for carbon dioxide from a flue gas of a combustion, and includes a reaction process, a following filtration process and a following dissolution process. In the reaction process, carbon dioxide is introduced into the amino acid salt solution, and the amino acid salt solution is cooled. In this case crystalline carbonate and crystalline amino acid precipitate out. In the filtration process, the crystalline carbonate and the crystalline amino acid are filtered off. In the dissolution process the crystalline carbonate and the crystalline amino acid are dissolved in a solvent and a treated amino acid salt solution is thereby recovered. | 12-31-2015 |
| 20160030920 | Programmable pH Buffers - A programmable pH buffer comprises a copolymer that changes pK | 02-04-2016 |
| 20160038872 | NON-AQUEOUS AMINE SCRUBBING FOR REMOVAL OF CARBON DIOXIDE - A method is described for separating CO | 02-11-2016 |
| 20160101408 | PROCESS FOR MAKING A REGENERABLE OXIDE-BASED ADSORBENT - A zinc titanate reactive adsorbent comprising multiphase, polycrystalline nanofibers comprising ZnTiO | 04-14-2016 |
| 20160122746 | METHOD OF NONSPECIFIC TARGET CAPTURE OF NUCLEIC ACIDS - Methods for capturing a target nucleic acid from a sample by using a capture probe that binds nonspecifically to the target nucleic acid and binds specifically to an immobilized probe via a specific binding pair that has one member on the capture probe and one member on the immobilized probe are disclosed. Compositions that include a capture probe that binds nonspecifically to a target nucleic acid and specifically to an immobilized probe via binding of members of a specific binding pair in a solution phase of a reaction mixture are disclosed. | 05-05-2016 |
| 20160175769 | GAS SCAVENGERS | 06-23-2016 |
| 252190000 | With absorbents | 20 |
| 20120080644 | PROCESS, ABSORPTION MEDIUM, AND APPARATUS FOR ABSORPTION OF CO2 FROM GAS MIXTURES | 04-05-2012 |
| 20120235087 | METHOD FOR THE REMOVAL OF HEAT STABLE AMINE SALTS FROM AN AMINE ABSORBENT - The proposed invention relates to a method and a system for the removal of heat stable amine salts from an amine absorbent used in a carbon dioxide (CO | 09-20-2012 |
| 20120292565 | ABSORBENT SOLUTION CONTAINING A BREAKDOWN INHIBITOR DERIVED FROM PYRIMIDINE OR FROM TRIAZINE AND ABSORPTION PROCESS FOR ACID COMPOUNDS CONTAINED IN A GASEOUS EFFLUENT - The degradation of an absorbent solution comprising organic compounds provided with an amine function in aqueous solution is reduced considerably in the presence of a small amount of degradation-inhibiting additives belonging to the class of derivatives of pyrimidine or of triazine, at least one substituent of which contains a sulfur atom. | 11-22-2012 |
| 20130056677 | CLAUS HYDROCARBON DESTRUCTION VIA STAGED SOLVENT REGENERATION - A solvent for absorbing H | 03-07-2013 |
| 20130193375 | PROCESS FOR THE REMOVAL OF HEAT STABLE SALTS FROM ACID GAS ABSORBENTS - A process for the regeneration of an acid gas absorbent comprising an amine and heat stable salts by phase separation, comprising a) mixing the acid gas absorbent with an alkaline solution, to form a mixture with a pH above the pH equivalence point of the amine; b) cooling the mixture to a temperature below 500 C; c) separating the mixture into a regenerated acid gas absorbent and a waste stream; d) collecting the regenerated acid gas absorbent separate from the waste stream. | 08-01-2013 |
| 20130313475 | APPARATUS AND PROCESS FOR PURIFICATION OF A NITROSAMINE-CONTAMINATED PRODUCT FROM AN OPERATING PLANT - A process for purifying a product contaminated with nitrosamines from an operating plant is proposed. The contaminated product is heated to a temperature T at which the nitrosamines are thermally destroyed. The temperature T is set at a higher level than the maximum temperature in the operating plant, and maintained for a residence time t. An apparatus for regeneration of a nitrosamine-contaminated product from a CO | 11-28-2013 |
| 20140042363 | CARBON DIOXIDE RECOVERY APPARATUS AND METHOD - An apparatus for separating and recovering CO | 02-13-2014 |
| 20140084209 | GAS STREAM TREATMENT PROCESS - A process of treating a gas stream containing mercury and acid gas pollutants is disclosed. The process includes applying a sorbent composition into a gas stream in order to adsorb mercury containing compounds and acid gas pollutants. The sorbent composition includes a compound having the formula (SiO | 03-27-2014 |
| 20140103256 | ADSORBENTS FOR REMOVING CONTAMINANTS FROM GAS FLOWS CONTAINING WATER - The invention relates to adsorbents for removing impurities from water-comprising gas streams, in particular for use in fuel cell systems, wherein the adsorbents comprise oxides of elements selected from the group consisting of Cu, Fe, Zn, Ni, Co, Mn, Mg, Ba, Zr, Ce, La or combinations of these elements, have a copper oxide content of at least 30% by weight and have pore volumes of less than 0.175 ml·g | 04-17-2014 |
| 20140117281 | PROCESS FOR THE ACTIVATION OF A COPPER-, ZINC- AND ZIRCONIUM OXIDE-COMPRISING ADSORPTION COMPOSITION - A process for the activation of a copper, zinc and zirconium oxide-comprising adsorption composition for the adsorptive removal of carbon monoxide from substance streams comprising carbon monoxide and at least one olefin wherein: (i) in a first activation step an activation gas mixture comprising the olefin and an inert gas is passed through the adsorption composition; and (ii) in a second activation step the adsorption composition is heated to a temperature in the range from 180 to 300° C. and an inert gas is passed through it, wherein the steps (i) and (ii) can each be performed several times. | 05-01-2014 |
| 20140138578 | COMPOSITION FOR TREATING ACID GAS - This invention provides novel compositions comprising substituted polyamines as acid gas scrubbing solutions and methods of using the compositions in an industrial system. The invention relates to the use of such polyamine compounds in industrial processes to remove acidic contaminants from natural and industrial fluid streams, such as natural gas, combustion gas, natural gas, synthesis gas, biogas, and other industrial fluid streams. The compositions and methods of the invention are useful for removal, absorption, or sequestration of acidic contaminants and sulfide contaminants including CO | 05-22-2014 |
| 20140284521 | CO2 DESORPTION CATALYST - This invention provides a CO | 09-25-2014 |
| 20140291578 | PROCESS TO PREPARE ADSORBENTS FROM ORGANIC FERTILIZER AND THEIR APPLICATIONS FOR REMOVAL OF ACIDIC GASES FROM WET AIR STREAMS - 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. | 10-02-2014 |
| 20140319419 | MIXTURES OF PHYSICAL ABSORPTION SOLVENTS AND IONIC LIQUIDS FOR GAS SEPARATION - The invention comprises an absorbent composition and process for purification of gaseous mixtures. The composition comprises a mixture of a physical absorption solvent and an ionic liquid. It was found that the mixtures provided improved absorption of a gas component, such as carbon dioxide, when compared physical absorption solvents. | 10-30-2014 |
| 20140332720 | SOLID CARBON DIOXIDE ABSORBENT INCLUDING AMINE OR A COMPOUND THEREOF FOR USE IN THE CAPTURING PROCESS OF DRY CARBON DIOXIDE, AND METHOD FOR MANUFACTURING SAME - The present invention relates to a method for manufacturing a carbon dioxide absorbent and to the absorbent manufactured by the method. The method comprises: (A) a step of preparing a slurry composition including a carrier composition containing a support, an inorganic binder, and a solvent; (B) a step of preparing solid particles by spray drying the thus-prepared slurry composition; (C) a step of manufacturing a carrier by dry calcining the thus-prepared solid particles; and (D) a step of receiving an amine compound into the pores of the thus-manufactured carrier. According to the absorbent of the present invention, an absorbing reaction and a regenerating reaction at a low temperature range (less than or equal to 100° C. may be conducted, and therefore, the cost for capturing CO | 11-13-2014 |
| 20140346396 | High Capacity Filter - A composition is provided for converting and removing undesirable gases from air comprising manganese dioxide, titanium dioxide and an alkali. | 11-27-2014 |
| 20140346397 | COMPOUNDS AND METHODS FOR PURIFICATION OF SERINE PROTEASES - Disclosed herein are compounds, compositions, methods and kits for purifying a serine protease and serine proteases purified with the compounds, compositions and methods. | 11-27-2014 |
| 20150034867 | METHOD AND DEVICE FOR TREATING A CONTAMINATED ALKALINE AMINO ACID SALINE SOLUTION - A method for treating a contaminated alkaline amino acid salt solution is provided. First, carbon dioxide is introduced into the amino acid salt solution, with the result that carbonate or carbonate salts is or are precipitated, these being filtered off. The remaining filtrate is then cooled, amino acid or amino acid salts being crystallized out and likewise being filtered off. The amino acid or amino acid salt is then dissolved again, with the result that a treated amino acid salt solution is recovered. | 02-05-2015 |
| 20160121262 | CLAUS HYDROCARBON DESTRUCTION VIA STAGED SOLVENT REGENERATION - A solvent for absorbing H | 05-05-2016 |
| 20160375399 | CARBON DIOXIDE ABSORBENT AND METHOD FOR REGENERATING CARBON DIOXIDE ABSORBENT - A carbon dioxide absorbent according to the present disclosure includes a diamine compound including primary and tertiary amines, a polar aprotic solvent and a protic solvent. | 12-29-2016 |
| 252191000 | Basis-iron containing | 2 |
| 20140117282 | METHODS FOR PREPARING AND REGENERATING MATERIALS CONTAINING AMORPHOUS IRON OXIDE HYDROXIDE AND DESULFURIZER COMPRISING THE SAME - Methods for preparing a composition containing amorphous iron oxide hydroxide. Methods for regeneration of the amorphous iron oxide hydroxide after it has been used as desulfurizer. Regenerable desulfurizer with high sulfur capacity containing amorphous iron oxide hydroxide, not less than 88% w/w, and organic binder not less than 7% w/w. The organic binder is sodium carboxymethylcellulose, sesbania powder, cellulose powder, or a mixture thereof A method for preparing the desulfurizer. A method for regenerating the waste agent produced after the desulfurizer and the composition containing the desulfurizer are used as desulfurizer. This method allows the desulfurizer and the composition containing the desulfurizer to be regenerated and reused avoiding the need for landfill disposal and environmental pollution. | 05-01-2014 |
| 20140374654 | Highly Active Nano Iron Catalyst for the Absorption of Hydrogen Sulfide - The invention involves the formation of a stable iron (II) oxide and/or hydroxide. Preferably these oxides and/or hydroxides are present as nanoparticles in the 5-10 nanometer range. It has been discovered that such particles can be formed at lower cost and with fewer impurities by using ferrous carbonate (FeCO | 12-25-2014 |
| 252192000 | Alkali-metal or alkali-metal compound containing | 9 |
| 20130187087 | PROCESS FOR LIME SLURRY PRODUCTION - A process for controlling scaling on and within lime slaking and handling equipment such as SDA atomizers and reducing lime usage by forming a mixture with at least one polymeric dispersant and a quantity of water and introducing the mixture to a vessel for preparation of a lime slurry. | 07-25-2013 |
| 20130306906 | ADIABATIC REGENERATION OF SULFUR CAPTURING ADSORBENTS - The present invention provides a process for regeneration of the sulfur capturing spent adsorbents after sulfur capturing using a hydrolyzing agent under adiabatic conditions. In accordance with the process of the present invention hydrolyzing agent is introduced to the spent adsorbent in a controlled manner such that the exothermic heat generated within the adsorbent bed does not rise above the predetermined temperature limit. | 11-21-2013 |
| 20140117283 | Reversible Sorbent for Warm CO2 Capture by Pressure Swing Adsorption - Sorbent for reversible warm CO | 05-01-2014 |
| 20140312271 | METHOD OF PREPARATION OF A CO2 REMOVAL SORBENT WITH HIGH CHEMICAL STABILITY DURING MULTIPLE CYCLES - Method for the production of a clay-alkali-amine CO | 10-23-2014 |
| 20140312272 | CARBON DIOXIDE ADSORBENT, THE MANUFACTURING METHOD THEREOF, AND THE USE METHOD THEREOF - A method for manufacturing a carbon dioxide adsorbent is provided. The method comprises steps of providing a limestone having a first specific surface area, treating the limestone with acid solution to obtain a first substance having a second specific surface area larger than the first specific surface area, at the same time reacting the first substance with an anti-sintering agent to obtain a second substance, and calcining the second substance to obtain the carbon dioxide adsorbent containing calcium-based oxides. | 10-23-2014 |
| 20140346398 | WET LIMESTONE FLUE GAS DESULFURIZATION SLURRY STABILIZER AND METHOD FOR USING THE SAME - A wet limestone flue gas desulfurization slurry stabilizer and a method for using the same are disclosed. The stabilizer consists of lime, sodium formate and an antifoaming agent, the components and mass percentages thereof are as follows: lime, 30% to 70%, sodium formate, 15% to 40%, the antifoaming agent, 15% to 40%. The method for using the desulfurization slurry stabilizer comprises: preparing the slurry stabilizer into a homogeneous liquid having a mass concentration of 10% to 30% with water or desulfurization slurry outside a desulfurization tower, and spraying the homogeneous liquid into the absorption area and the reaction area of the desulfurization tower using a pump and a slurry atomizing and spraying device. | 11-27-2014 |
| 20150021519 | METHOD TO REMOVE CARBONATE FROM A CAUSTIC SCRUBBER WASTE STREAM - A method to recover caustic from a caustic waste stream comprises reducing the temperature of a caustic waste stream comprising dissolved Na | 01-22-2015 |
| 20150329421 | PROCESS FOR LIME SLURRY PRODUCTION - One or more techniques and/or systems are disclosed for a process of reducing the usage of lime in a lime slurry, comprising the steps of: 1) forming a mixture comprising at least one polymeric dispersant comprising a straight chain polyacrylate homopolymer and a quantity of water; 2) introducing the mixture to a vessel prior to slaking for preparation of the lime slurry; and 3) slaking a quantity of lime and the mixture in the vessel to form the lime slurry, wherein the usage of lime in the lime slurry is reduced by about 25% to about 37%. | 11-19-2015 |
| 20160199775 | Functional Fluid and a Process for the Preparation of the Functional Fluid | 07-14-2016 |
