Abstract: A method comprising contacting a silica support with a titanium-containing solution to form a titanated silica support, wherein the titanium-containing solution comprises a solvent; a ligand comprising a glycol, a carboxylate, a peroxide, or a combination thereof, and a titanium compound having the formula Ti(acac)2(OR)2, wherein “acac” is acetylacetonate and wherein each R independently is ethyl, isopropyl, n-propyl, isobutyl, or n-butyl.

Abstract: Provided is a method of preparing a metal oxide-silica composite aerogel and a metal oxide-silica composite aerogel having an excellent weight reduction property prepared by the method. The method comprises adding an acid catalyst to a first water glass solution to prepare an acidic water glass solution (step 1); adding a metal ion solution to the acidic water glass solution to prepare a precursor solution (step 2); and adding a second water glass solution to the precursor solution and performing a gelation reaction (step 3).

Abstract: Silica particles having a BET surface area from 0.1 to 7 m2/g, a pack density from 35 to 55 lb/ft3, an Einlehner abrasion value from 8 to 25 mg lost/100,000 revolutions, a total mercury intrusion pore volume from 0.7 to 1.2 cc/g, and a stannous compatibility from 70 to 99%, are disclosed, as well as methods for making these silica particles.

Abstract: Provided is a method for producing hydrophobic silica aerogel granules and hydrophobic silica aerogel granules produced thereby, the hydrophobic silica aerogel granules having a suppressed level of specific surface area deterioration and scattering properties. In the method for producing the hydrophobic silica aerogel granules, surface modification, gelation, and solvent substitution can be simultaneously performed in one step, thereby decreasing production time and increasing productivity. Also, by adjusting the addition amount of a non-polar organic solvent when proceeding with a reaction, hydrophobic silica aerogel granules with suppressed scattering properties can be produced. In addition, the hydrophobic silica aerogel granules are silica aerogel particles induced to agglomerate with each other through physical bonding, so that there is an advantage in that the granules can be easily changed into a powder form, thereby having excellent industrial applicability.

Abstract: A method for capturing and sequestering carbon dioxide (CO2) includes receiving and performing an electrochemical process on the input liquid including water and a salt to produce at least one hydroxide-rich stream, and then capturing CO2 from air using the hydroxide-rich stream and a passive air capture system, thereby producing a liquid carbonate solution containing air-captured CO2. Optional steps include disposing of the liquid carbonate solution, precipitating air-captured CO2 from the liquid carbonate solution as solid carbonate and/or a slurry of carbonate, and mixing the liquid carbonate solution with a hydrogen-rich stream produced by the electrochemical process to generate gaseous CO2. Various integrations and synergies among CO2 capture, renewable energy, water desalination, and metal and mineral extraction are provided.

Abstract: A pre-catalyst composition comprising: a) a silica support comprising silica wherein an amount of silica is in a range of from about 70 wt. % to about 95 wt. % based upon a total weight of the silica support; b) a titanium-containing compound wherein an amount of titanium is in a range of from about 0.1 wt. % to about 10 wt. % based upon the total weight of the silica support; c) a chromium-containing compound wherein an amount of chromium is in a range of from about 0.1 wt. % to about 10 wt. % based upon the total weight of the silica support; d) a surfactant wherein the surfactant comprises a non-ionic surfactant, a cationic surfactant, or a combination thereof; e) a carboxylate wherein the carboxylate comprises a multi carboxylate, an alpha-hydroxy carboxylate, or a combination thereof; and f) a solvent.

Abstract: The present disclosure provides a method of preparing olefins from methanol, in which methanol and phenol-like molecules are used as raw material, which is gasified and then passed into a two-stage fixed-bed catalytic reactor. The raw material reacts with a catalyst A (silica-aluminum molecular sieve) and a catalyst B (silica-aluminum or phosphorus-aluminum molecular sieve) in sequence to produce ethylene.

Abstract: A method for forming hollow silica spheres by dissolving a hydrolyzable aryl silane in an aqueous solution of water and an acid to form a hydrolyzed silane solution, mixing the hydrolyzed silane solution with a hydroxide base to form a precipitate, and calcining the precipitate in a multi-stage calcination procedure that includes (a) heating to a first temperature of 180 to 240° C. with a first ramp rate of 3 to 10° C./min and holding the first temperature for 2 minutes to 2 hours, then (b) heating to a second temperature of 600 to 740° C. at a second ramp rate of 0.1 to 4° C./min, and holding the second temperature for 2 to 24 hours.

Abstract: A method of preparing a catalyst comprising a) drying a chrominated-silica support followed by contacting with a titanium(IV) alkoxide to form a metalized support, b) drying a metalized support followed by contacting with an aqueous alkaline solution comprising from about 3 wt. % to about 20 wt. % of a nitrogen-containing compound to form a hydrolyzed metalized support, and c) drying the hydrolyzed metalized support followed by calcination at a temperature in a range of from about 400° C. to about 1000° C. and maintaining the temperature in the range of from about 400° C. to about 1000° C. for a time period of from about 1 minute to about 24 hours to form the catalyst.

Abstract: A method for preparing liquid fuel by direct conversion of syngas uses the syngas as reaction raw material and conducts a catalytic conversion reaction on a fixed bed or a moving bed. The catalyst is a composite catalyst formed by compounding component I and component II in a mechanical mixing mode. The active ingredient of the component I is a metal oxide, and the component II is at least one of zeolites with one-dimensional ten-membered ring porous channels; and a weight ratio of the active ingredient in the component I to that in the component II is 0.1-20. The reaction process has high product yield and selectivity. The selectivity for liquid fuel composed of C5-C11 can reach 50-80%. The selectivity for aromatic hydrocarbon is less than 40% in C5-C11, while the selectivity for methane side product is less than 15%.

Abstract: The present application relates to a method for producing a silica film, which includes a step of contacting a silica precursor layer formed of a silica precursor composition having a pH of 5 or less with a Lewis base, where the silica precursor composition includes a silica precursor formed from a silane compound and an acid catalyst. The present application can provide a method capable of forming a silica film having excellent resistance to a vertical load and a tangential load without going through expensive equipment or a high temperature process.

Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a first washcoat comprising a zeolite, Pt, and first refractory metal oxide support containing manganese, a second washcoat comprising a second refractory metal oxide support, a Pt component and a Pd component, and a third washcoat comprising palladium and a rare earth oxide component is described.

Abstract: A method for producing the silica carrier which includes kneading fumed silica obtained by a combustion method, silica gel obtained by a gel method, and colloidal silica obtained by a sol-gel method or a water glass method, molding the resulting kneaded product, and calcining the resulting molded body. The silica carrier has, in the measurement of pore size distribution, mesopores with a pore size of 2 to 50 nm and macropores with a pore size of more than 50 nm and 1,000 nm or less.

Abstract: A precipitated silica having a broad particle size distribution and large median particle size as well as its method of manufacture is provided. The precipitated silica has a CTAB surface area SCTAB in the range from 40 to 300 m2/g, a difference between BET surface area SBET and CTAB surface area SCTAB of at least 35 m2/g, a width of the particle size distribution Ld, measured by centrifugal sedimentation, of at least 1.5, an amount of aluminium WA1 in the range from 0.5 to 7.0 wt %, and a median particle size d50, measured by centrifugal sedimentation, such that for a given value of CTAB surface area SCTAB and amount of aluminium WAl, parameter A, defined by the following equation: A=|d50|+0.782×|SCTAB|?8.524×|WAl|.

Abstract: A method for producing a hydrophilic aerogel granule is provided, which includes the steps of: mixing for the siloxane solvent mixture preparation, hydrolysis with proper acid catalyst, condensation dispersion by introducing a proper alkali catalyst into the mixture and dispersing it with hydrophobic dispersion solvent to obtain wet gel, aging under a specific temperature, disintegration dispersion for disintegrating the wet gel and dispersing it in the dispersion solvent, high temperature solvent exchange under ambient temperature with dispersion solvent, and solvent evaporation for removing the dispersion solvent.

Abstract: A composite oxide powder including a composition formula (1), wherein the ratio ?/? of a surface area value ? (m2/g) calculated by a BET one-point method to a surface area value ? (m2/g) calculated from a formula (2) is greater than 1.0 and equal to or less than 1.5 and the surface area value ? is equal to or less than 20 m2/g. ABO3-? (1) (wherein A is one or more types of elements (La, Sr, Sm, Ca and Ba), B is one or more types of elements (Fe, Co, Ni and Mn) and 0??<1); and surface area value ? (m2/g)=specific surface area value ?-surface area value ?(2) (the specific surface area value ? (m2/g) is a value in a total pore size range measured by a mercury intrusion method. The specific surface area value ? (m2/g) is a value in a range of pore sizes that are larger than a 50% cumulative particle size.

Abstract: Binder compositions for agglomerating iron ore fines are provided, the compositions comprising: one or more types of modified starch and one or more types of synthetic dry polymers. A process for preparing iron ore pellets with the binder compositions is also provided, the process comprising: (i) adding a binder composition to particulate iron ore to form a mixture; and (ii) forming the mixture into pellets.

Abstract: A method comprising a) drying a support material comprising silica at temperature in the range of from about 150° C. to about 220° C. to form a dried support; b) contacting the dried support with methanol to form a slurried support; c) subsequent to b), cooling the slurried support to a temperature of less than about 60° C. to form a cooled slurried support; d) subsequent to c), contacting the cooled slurried support with a titanium alkoxide to form a titanated support; and e) thermally treating the titanated support by heating to a temperature of equal to or greater than about 150° C. for a time period of from about 5 hours to about 30 hours to remove the methanol and yield a dried titanated support.

Abstract: There is disclosed an organic-free, metal-containing zeolite Beta with a silica-to-alumina ratio (SAR) ranging from 5 and 20, and a metal content of at least 0.5 wt. %. There is also disclosed a method of making such a zeolite Beta without organic structure directing agent (SDA). The metal, which may comprise Fe or Cu, can be found in amounts ranging from 1-10 wt. %. A method of selective catalytic reduction of nitrogen oxides in exhaust gases using the disclosed zeolite is also disclosed.

Abstract: A process for preparing a highly pure silicon by reduction of a calcium silicate slag using a source of aluminum is disclosed. The process involves forming a molten calcium silicate slag, reducing the calcium silicate slag to Si metal and forming a calcium aluminate slag, and separating the Si metal from the calcium aluminate slag.