Patent classifications
B01J23/007
Catalyst for oxidative olefin generation from paraffins
The present disclosure provides an active material comprising a mixed metal oxide in a hydrotalcite derived rocksalt structure, a processes to convert paraffins to corresponding olefins and or heavier hydrocarbons using the active material, and a method of preparing the active material.
Process to synthesize a catalyst performing water-gas shift reaction at a high temperature
A process to synthesize a catalyst performing Water-Gas shift reaction at a temperature more than 300 C. using a precursor having general formula [(Cu, Zn).sub.1-x (Al, M).sub.x (OH).sub.2].sup.x+ (A.sup.n.sub.x/n).kH.sub.2O with M=Al, La, Ga or In, A=CO.sub.3, 0.33<x<0.5, 1<n<3.
BORON-CONTAINING CATALYSTS FOR DRY REFORMING OF METHANE TO SYNTHESIS GAS
The present invention uses a cobalt catalyst for carbon dioxide reforming of lower alkanes to synthesis gas having a cobalt catalyst on an oxide support where the supported cobalt catalyst has been modified with a boron precursor. The boron-treated cobalt catalyst systems as described herein show significant increases in the conversion of CH.sub.4 and CO.sub.2 during the dry reforming of methane (DRM) reaction as compared to traditional catalysts. Described herein are supported catalysts and methods of using the catalysts for the dry reforming of methane to synthesis gas, with the supported catalysts in the present invention include a boron-treated cobalt catalyst disposed on an oxide support. Also described herein are processes for preparing the supported catalysts.
Metathesis catalyst and process for producing olefin
The present invention provides a catalyst comprising a transition metal, an inorganic support, a zeolite, and a layered double hydroxide. Using of the catalyst according to the present invention in an olefin production process exhibits high activity and high selectivity with decreased deactivation rate, therefore longer reaction cycle can be performed and catalyst life is prolonged.
Catalytic oxidation of but-3-ene-1,2-diol
The invention concerns a synthesis process of a compound of the following formula (I) or one of the salts thereof, ##STR00001## wherein R represents a COOH, CH.sub.2OH or CHO group, comprising the step according to which the but-3-ene-1,2-diol (BDO) is subjected to an oxidation in the presence of a catalyst, said catalyst comprising an active phase based on at least one noble metal selected from palladium, gold, silver, platinum, rhodium, osmium, ruthenium and iridium, and a support containing alkaline sites. The invention also concerns the application of this reaction to the preparation of bioavailable compounds of methionine used, in particular, in animal nutrition.
METHOD FOR PRODUCING 1-OCTANOL
The present invention relates to a method for producing 1-octanol comprising a contact step between ethanol, n-hexanol and two catalysts A and B, wherein catalyst A comprises a metal oxide comprising Ga and a noble metal and catalyst B comprises a metal oxide comprising Cu, Ni or any mixture thereof.
CATALYST COMPONENT FOR REDUCING THE TOTAL ACID NUMBER IN REFINERY FEEDSTOCKS
A catalyst component is described for reducing the total acid number of a refinery feedstock. A solid catalyst material that is pretreated with a caustic base solution form the catalyst component effective for contacting a refinery feedstock to reduce the total acid number.
Crystalline transition metal tungstate
A hydroprocessing catalyst has been developed. The catalyst is a unique transition metal tungstate material. The hydroprocessing using the crystalline ammonia transition metal dimolybdotungstate material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.
METHOD FOR PRODUCING MECHANICALLY STABLE CATALYSTS FOR HYDROGENATING CARBONYL COMPOUNDS, SAID CATALYSTS AND HYDROGENATING METHOD
A process for producing a metal carbonate-containing shaped catalyst body for the hydrogenation of an organic compound having one or more carbonyl group, in which a) a metal carbonate composition which contains, based on the total weight of the metal carbonate composition, from 70 to 94.5% by weight of a metal carbonate mixture containing two or more than two metal carbonates of two or more than two different metals (M), from 5 to 25% by weight of metallic copper, and from 0.5 to 5% by weight of tableting aid is provided, b) a shaped body is formed from the metal carbonate composition provided in step a), and c) the shaped body obtained in step b) is activated in the presence of hydrogen at a temperature in the range from 150 to 250 C.
METHOD AND CATALYST FOR PRODUCING PHENOLIC BUILDING BLOCKS FROM LIGNIN
The invention relates to a method for the catalyzed decomposition of lignin with a high yield and high selectivity for phenolic building blocks and with minimal formation of the coke fraction, and to a catalyst suitable for the method. The catalyst contains a basic carrier material, platinum at a weight percentage of 1-10 wt. % and nickel at a weight percentage of 0-5 wt. %. The method comprises: providing a reaction mixture comprisinglignin, the catalyst and a solvent; and heating the reaction mixture so as to obtain a mixture comprisinga product mix, the catalyst and the solvent.