Patent classifications
B01J20/28073
SULFUR-DOPED CARBONACEOUS POROUS MATERIALS
The present invention relates to novel sulfur-doped carbonaceous porous materials. The present invention also relates to processes for the preparation of these materials and to the use of these materials in applications such as gas adsorption, mercury and gold capture, gas storage and as catalysts or catalyst supports.
HEAVY METAL CAPTURE MASS WITH IMPROVED PERFORMANCES
A capture mass for heavy metals, in particular mercury, contained in a gaseous or liquid feed, said mass comprising: copper which is present at least in part in the sulphide form, Cu.sub.xS.sub.y, a porous support based on alumina; characterized in that said porous support has a total pore volume (TPV) in the range 0.8 to 1.5 cm.sup.3/g, a mesopore volume (V.sub.6 nm-100 nm) in the range 0.5 to 1.3 cm.sup.3/g, and a macropore volume (V.sub.100 nm) in the range 0.33 to 0.45 cm.sup.3/g, it being understood that the ratio between the mesopore volume and the macropore volume (V.sub.6 nm-100 nm/V.sub.100 nm) is in the range 1 to 5.
Cyclical method of producing high-purity nitrogen and optionally a high-purity hydrocarbon from a feedstock containing nitrogen and a hydrocarbon
The invention relates to a cyclical method for producing a nitrogen fraction, the purity of which is greater than or equal to 95 mol %, and a hydrocarbon-enriched fraction from a filler containing nitrogen and a hydrocarbon, said method using a specific class of porous hybrid solids as an adsorbent in a pressure-swing adsorption (PSA) process. The invention also relates to equipment for implementing said method.
SILICA ADSORBENT FOR REMOVAL OF CHLOROPHYLL DERIVATIVES FROM TRIACYLGLYCEROL-BASED OILS
The present invention relates to an adsorbent for treating an oil comprising a chlorophyll derivative. In particular, the present disclosure relates to an improved silica gel adsorbent for removing impurities, including chlorophyll derivatives and/or trace metals, from an oil, in particular triacylglycerol-based oils. The adsorbent comprises a silica gel treated with an alkali earth metal oxide, such as magnesium oxide, and has a pH of about 7 or greater and a water content of about 3 wt % or greater.
Water stable copper paddlewheel metal organic framework (MOF) compositions and processes using the MOFs
This invention relates to a Cu-BTC MOF which is water stable. The Cu-BTC MOF has been modified by substituting some of the BTC ligand (1,3,5, benzene tricarboxylic acid) with 5-aminoisophthalic acid (AIA). The resultant MOF retains at least 40% of its as synthesized surface area after exposure to liquid water at 60° C. for 6 hours. This is an unexpected result versus the MOF containing only the BTC ligand. This MOF can be used to abate contaminants such as ammonia in gas streams and especially air streams.
Carbide-derived carbons having incorporated metal chloride or metallic nanoparticles
Carbide-derived carbons are provided that have high dynamic loading capacity for high vapor pressure gasses such as H.sub.2S, SO.sub.2, or NH.sub.3. The carbide-derived carbons can have a plurality of metal chloride or metallic nanoparticles entrapped therein. Carbide-derived carbons are provided by extracting a metal from a metal carbide by chlorination of the metal carbide to produce a porous carbon framework having residual metal chloride nanoparticles incorporated therein, and annealing the porous carbon framework with H.sub.2 to remove residual chloride by reducing the metal chloride nanoparticles to produce the metallic nanoparticles entrapped within the porous carbon framework. The metals can include Fe, Co, Mo, or a combination thereof. The carbide-derived carbons are provided with an ammonia dynamic loading capacity of 6.9 mmol g.sup.−1 to 10 mmol g.sup.−1 at a relative humidity of 0% RH to 75% RH.
ALUMINOSILICATES AND COATINGS MADE THEREFROM FOR VOC REMOVAL
Amorphous aluminosilicates are disclosed, and these amorphous aluminosilicates are characterized by a unique combination of high surface area, low oil absorption, and a significant fraction of the total pore volume resulting from micropores. These amorphous aluminosilicates can be used in various paint and coating applications, with the resultant dried or solid film capable of removing VOC's from the surrounding air.
OLEFIN POLYMERIZATION CATALYST SYSTEM COMPRISING MESOPOROUS ORGANOSILICA SUPPORT
A catalyst system comprising a combination of: 1) an activator; 2) one or more metallocene catalyst compounds; 3) a support comprising an organosilica material, which is a mesoporous organosilica material. The organosilica material is a polymer of at least one monomer of Formula [Z.sup.1OZ.sup.2 SiCh.sub.2].sub.3(i), where Z.sup.1 represents a hydrogen atom, a C1-C4 alkyl group, or a bond to a silic-on atom of another monomer and Z.sup.2 represents a hydroxyl group, a C.sub.1-C.sub.4alkoxy group, a C.sub.1-C.sub.6 salkyl group, or an oxygen atom bonded to a silicon atom of another monomer. This invention further relates to processes to polymerize olefins comprising contacting one or more olefins with the above catalyst system.
CERIUM OXIDE PARTICLES AND METHOD FOR PRODUCTION THEREOF
The present invention relates to cerium oxide particles that have excellent heat resistance especially useful for catalysts, functional ceramics, solid electrolyte for fuel cells, polishing, ultraviolet absorbers and the like, and particularly suitable for use as a catalyst or co-catalyst material, for instance in catalysis for purifying vehicle exhaust gas. The present invention also relates to a method for preparing such cerium oxide particles, and a catalyst, such as for purifying exhaust gas, utilizing these cerium oxide particles.
COVALENT ORGANIC FRAMEWORK NANOPOROUS MATERIALS FOR HIGH PRESSURE GAS STORAGE
A method of storing gas comprises providing a recipient for receiving the gas and providing a porous gas storage material. The gas storage material comprises a cross-linked polymeric framework and a plurality of pores for gas sorption. The cross-linked polymeric framework comprises aromatic ring-containing monomeric units comprising at least two aromatic rings. The aromatic ring-containing monomeric units are linked by covalent cross-linking between aromatic rings to form a stable, rigid nanoporous material for storing the gas at pressures significantly greater than the atmospheric pressure, for example in excess of 100 bar. A possible application is the storage and transportation of compressed natural gas.