Patent classifications
B01J35/635
Porous shaped metal-carbon products
The present invention provides a porous metal-containing carbon-based material that is stable at high temperatures under aqueous conditions. The porous metal-containing carbon-based materials are particularly useful in catalytic applications. Also provided, are methods for making and using porous shaped metal-carbon products prepared from these materials.
Porous shaped carbon products
Shaped porous carbon products and processes for preparing these products are provided. The shaped porous carbon products can be used, for example, as catalyst supports and adsorbents. Catalyst compositions including these shaped porous carbon products, processes of preparing the catalyst compositions, and various processes of using the shaped porous carbon products and catalyst compositions are also provided.
Sulfide-based alkane dehydrogenation catalysts
A catalyst for the dehydrogenation of alkanes to alkenes comprises a catalytically active material supported on a carrier, wherein the catalytically active material is a metallic sulfide (MeS) comprising Fe, Co, Ni, Cu, Mo or W or any combination of two or more metals selected from Pb, Sn, Zn, Fe, Co, Ni, Cu, Mo and W. The catalyst is regenerated in several steps. The dehydrogenation is carried out at a temperature between 450 and 650 C. and a pressure from 0.9 bar below ambient pressure to 5 bar above ambient pressure.
TRANSITION METAL(S) CATALYST SUPPORTED ON NITROGEN-DOPED MESOPOROUS CARBON AND ITS USE IN CATALYTIC TRANSFER HYDROGENATION REACTIONS
The present invention discloses a novel transition metal(s) catalyst supported on nitrogen-doped mesoporous carbon and a process for the preparation of the same. Further, the present invention discloses use of transition metal(s) supported on nitrogen-doped mesoporous carbon catalyst in catalytic transfer hydrogenation reaction. The invention also discloses an improved process for the synthesis of 2,5-Dimethylfuran (DMF) and 2-Methylfuran (MF) from 5-hydroxymethylfurfural (HMF) and furfural respectively, using alcohols as hydrogen donor over a transition metal supported on nitrogen-doped mesoporous carbon, especially ruthenium supported on nitrogen-doped mesoporous carbon without using any co-catalysts.
FUNGICIDE, PHOTO CATALYTIC COMPOSITE MATERIAL, ADSORBENT, AND DEPURATIVE
Disclosed herein is a fungicide, including: a porous carbon material; and a silver member adhered to the porous carbon material, wherein a value of a specific surface area based on a nitrogen BET, namely Brunauer, Emmett, and Teller method is equal to or larger than 10 m.sup.2/g, and a volume of a fine pore based on a BJH, namely Barrett, Joyner, and Halenda method and an MP, namely Micro Pore method is equal to or larger than 0.1 cm.sup.3/g.
Process for preparing protected resin catalysts
The invention is in the field of catalysis. More specifically, the invention relates to a process for preparing a protected metal catalyst on a support; a matrix particle comprising the protected metal catalyst; and, a process for hydrogenating a hydrocarbon resin feedstock using the protected metal catalyst.
Method for preparing 1,3-cyclohexanedicarboxylic acid
The present invention relates to a method for preparing 1,3-cyclohexanedicarboxylic acid capable of exhibiting excellent activity, of enhancing the reaction efficiency and economic efficiency by using a catalyst having improved durability under the reaction conditions of high temperature and strong acid, of achieving excellent conversion rates by allowing most of reactants to participate in the reaction, and of obtaining products having high purity while minimizing by-products within a shorter period of time. The method for preparing 1,3-cyclohexanedicarboxylic acid may include: reducing isophthalic acid in the presence of a metal catalyst fixed to a silica support and containing a palladium (Pd) compound and a copper (Cu) compound in a weight ratio of 1:0.1 to 0.5.
IRON-LOADED SMALL PORE ALUMINOSILICATE ZEOLITES AND METHOD OF MAKING METAL LOADED SMALL PORE ALUMINOSILICATE ZEOLITES
The present invention provides an iron-loaded aluminosilicate zeolite having a maximum pore opening defined by eight tetrahedral atoms and having the framework type CHA, AEI, AFX, ERI or LTA, wherein the iron (Fe) is present in a range of from about 0.5 to about 5.0 wt. % based on the total weight of the iron-loaded aluminosilicate zeolite, wherein an ultraviolet-visible absorbance spectrum of the iron-loaded synthetic aluminosilicate zeolite comprises a band at approximately 280 nm, wherein a ratio of an integral, peak-fitted ultraviolet-visible absorbance signal measured in arbitrary units (a.u.) for the band at approximately 280 nm to an integral peak-fitted ultraviolet-visible absorbance signal measured in arbitrary units (a.u.) for a band at approximately 340 nm is >about 2. The present invention further provides a method of making an metal-loaded aluminosilicate zeolite having a maximum pore opening defined by eight tetrahedral atoms from pre-existing aluminosilicate zeolite crystallites, wherein the metal is present in a range of from 0.5 to 5.0 wt. % based on the total weight of the metal-loaded aluminosilicate zeolite.
Adsorption material
An adsorption material which includes a carbon nanohorn aggregate in which a plurality of single-walled carbon nanohorns aggregate in a fibrous state, particularly coexisting a globular carbon nanohorn aggregate and some of the single-walled carbon nanohorns included in the carbon nanohorn aggregate have an opening portion, is used. The adsorption material including such a fibrous carbon nanohorn aggregate is produced by a method including: preparing an inert gas atmosphere, a nitrogen gas atmosphere or a mixed atmosphere in a vessel in which a catalyst-containing carbon target is placed; and evaporating the target to obtain a carbon nanohorn aggregate including a fibrous carbon nanohorn aggregate in which a plurality of single-walled carbon nanohorns aggregate in a fibrous state.
REDUCTION OF THE CONTENT OF GLYCIDYL ESTERS IN EDIBLE OILS
A process of treating edible oil. An edible oil is brought in contact with porous bodies comprising an epoxide conversion catalyst. The porous bodies have a size of larger than 0.5 mm. A system for treatment of edible oil. The system comprises a first treatment unit and a reactor vessel arranged to receive edible oil originating from the first treatment unit. The reaction vessel comprises porous bodies comprising an epoxide conversion catalyst, the porous bodies having a size of larger than 0.5 mm. Use of porous bodies comprising an epoxide conversion catalyst, the porous bodies having a size of larger than 0.5 mm, for treatment of edible oil.