Patent application number | Description | Published |
20140256535 | COBALT-BASED NANO CATALYST AND PREPARATION METHOD THEREOF - A cobalt-based nano catalyst including a metal combination as a core and a porous material as a shell. The metal combination includes a first metal component Co, a second metal component selected from Ce, La, and Zr, and a third metal component selected from Pt, Ru, Rh, and Re. The catalyst includes between 10 and 35 wt. % of the first metal component, between 0.5 and 10 wt. % of the second metal component, between 0.02 and 2 wt. % of the third metal component, and a carrier. The carrier is a porous material such as nano silica or alumina. The carrier is in the shape of a spheroid, has a pore size of between 1 and 20 nm and a specific area of between 300 and 500 m | 09-11-2014 |
20140369922 | METHOD OF SURFACE MODIFICATION OF ALUMINA - A method of surface modification of an alumina carrier. The method includes: 1) dissolving a soluble kazoe in deionized water to yield a kazoe aqueous solution; 2) submerging an alumina carrier in the kazoe aqueous solution and drying the alumina carrier in a vacuum environment; 3) placing the dried alumina carrier in a reactor, adding silicon tetrachloride and Grignard reagent dropwise to the reactor, sealing the reactor and heating it to a constant temperature, and maintaining the constant temperature for between 3 and 18 hours, where a volume ratio of the added silicon tetrachloride and the alumina carrier is between 0.5:1 and 5:1, the constant temperature is controlled to be between 160 and 350° C.; and 4) cooling the reactor, filtering, washing, and drying the alumina carrier in the vacuum environment. | 12-18-2014 |
20150040479 | METHOD AND SYSTEM FOR COGENERATING GAS-STEAM BASED ON GASIFICATION AND METHANATION OF BIOMASS - A method for cogenerating gas-steam based on gasification and methanation of biomass. The method includes: 1) mixing oxygen and water vapor with biomass, transporting the resulting mixture via a nozzle to a gasifier, gasifying the biomass to yield crude gasified gas, and transporting superheated steam having a pressure of 5-6 MPa resulting from sensible heat recovery to a steam turbine; 2) adjusting the hydrogen/carbon ratio of the crude gasified gas generated from step 1) to 3:1, and eluting the crude gasified gas whereby yield purified syngas; 3) introducing the purified syngas from step 2) to a methanation unit and transporting intermediate pressure superheated steam generated in the methanation unit to the steam turbine; and 4) concentrating methane of synthetic natural gas containing trace nitrogen and water vapor obtained from step 3) through pressure swing adsorption. | 02-12-2015 |
20150105480 | METHOD FOR RECYCLING NOBLE METALS FROM FISCHER-TROPSCH PRODUCTS - A method for recycling a noble metal from Fischer-Tropsch synthesis products. The method includes: 1) filtering a reaction product in a Fischer-Tropsch synthesis reactor by an inner filter; discharging a filtered reaction product to a first filtration buffer tank; separating a gas phase product or a part of a liquid phase product from the reaction product; introducing the liquid-solid two-phase product to a refining filter for product refining; 2) introducing a liquid phase product containing a catalyst slurry to a dynamic filter, collecting the filtered liquid phase product including a waste catalyst and noble metal ions; introducing the liquid phase product to a second filtration buffer tank; and introducing the filtered liquid phase product to the refining filter; and 3) forming a clay filter cake on a filter disk; and refining the products introduced into the refining filter in 1) and 2). | 04-16-2015 |
20150126626 | LIQUID CATALYST FOR METHANATION OF CARBON DIOXIDE - A liquid catalyst for methanation of carbon dioxide, including an amphiphilic ionic liquid and a metal active component dispersed in the amphiphilic ionic liquid. The metal active component is dispersed in the amphiphilic ionic liquid in the form of stable colloid. The colloid is spherical and has a particle size of between 0.5 and 20 nm. The metal active component includes a first metal active component and a second metal active component. The first metal active component includes nickel. The second metal active component is selected from the group consisting of lanthanum, cerium, molybdenum, ruthenium, ytterbium, rhodium, palladium, platinum, potassium, magnesium, or a mixture thereof. The molar ratio of the first metal active component to the second metal active component is between 10:0.1 and 10:2. | 05-07-2015 |
20150126629 | METHOD FOR RECYCLING EXHAUST GASES FROM FISCHER-TROPSCH SYNTHESIS - A method for recycling exhaust gas from Fischer-Tropsch synthesis. The method includes: 1) introducing raw gas to a shift reactor to conduct a water-gas shift reaction, and collecting shift gas; 2) introducing the shift gas to a Fischer-Tropsch synthesis device to yield a hydrocarbon fuel and exhaust gas, returning part of the exhaust gas as recycle gas; 3) introducing another part of the exhaust gas to a methanation reactor, allowing a methanation reaction to happen between the part of the exhaust gas and water vapor; 4) introducing a mixed gas product from the methanation reaction to a methane reforming reactor; 5) transporting the hydrogen and carbon monoxide resulting from the methane reforming reaction to a gas separator, separating the hydrogen and obtaining a mixed gas including carbon dioxide; and 6) returning the mixed gas including carbon dioxide to the methane reforming reactor. | 05-07-2015 |
20160045903 | CATALYST FOR FISCHER-TROPSCH SYNTHESIS AND METHOD FOR PREPARING THE SAME, AND METHOD FOR PREPARING MODIFIED MOLECULAR SIEVE CARRIER - A catalyst, including a molecular sieve carrier and an active component. The active component includes: iron, manganese, copper, and a basic promoter potassium. The molecular sieve carrier is a cerium salt and/or praseodymium salt modified-aluminosilicate molecular sieve carrier and/or silica-rich molecular sieve carrier. A method for preparing a catalyst for Fischer-Tropsch synthesis, includes: 1) fully dissolving a ferric salt, a manganese salt, a copper salt, and an alkali or a salt containing potassium element in water to yield an aqueous solution, stirring and adding sodium lauryl sulfate to the aqueous solution, and continuing stirring to yield a uniform solution; and impregnating a modified molecular sieve in the uniform solution to yield a mixed solution; and 2) drying and calcining the mixed solution to yield the catalyst. | 02-18-2016 |
20160060539 | METHOD FOR MODIFYING BIO-OIL DERIVED FROM BIOMASS PYROLYSIS - A method for modifying bio-oil derived from biomass pyrolysis, the method including: 1) adding an inorganic salt and an organic demulsifier to a bio-oil; oscillating or stirring the resulting mixture, and resting the resulting mixture, to yield a lower layer being an aqueous solution and an upper layer being the bio-oil, and collecting the bio-oil; 2) employing a zeolite molecular sieve-loaded clay as a catalyst, and aging the catalyst using pure steam, to yield a modified catalyst; and 3) adding the modified catalyst obtained in 2) to a conventional catalytic cracking reactor, injecting the bio-oil obtained in 1) to the conventional catalytic cracking reactor using a piston pump, and allowing the bio-oil to react under a weight hourly space velocity (WHSV) of between 6 and 15 h | 03-03-2016 |