摘要:
The conversion of synthesis gas comprising hydrogen and carbon oxides to form oxygenate-containing mixtures which are limited compositionally in being virtually free of C.sub.11 + compounds, with a zeolite which is virtually free of acid sites and characterized by a silica to alumina mole ratio of at least about 12 and a constraint index within the range of 1 to 12, having intimately combined therewith a metal selected from the group consisting of rhodium, platinum, palladium and iridium.
摘要:
An improved catalytic process for the production of methanol from hydrogen and carbon monoxide at a temperature of from about 200.degree. C. to about 400.degree. C. and a pressure of from about 150 to about 20,000 psia which comprises effecting the reaction in the presence of a heterogeneous solid catalyst comprising palladium and calcium.
摘要:
A catalyst composition useful in the process for the preparation of polyfunctional oxygen-containing compounds such as ethylene glycol and/or derivatives thereof which comprise reacting an oxide of carbon with hydrogen using a rhodium complex catalyst.
摘要:
A heterogeneous catalytic process for producing hydroxylated hydrocarbons containing from 1-2 carbon atoms which comprises: contacting a synthesis gas containing carbon monoxide and hydrogen with a catalyst consisting essentially of palladium at reaction conditions such that hydroxylated compounds are selectively produced while substantially avoiding the concomitant formation of methane or higher molecular weight hydrocarbons.
摘要:
This invention relates to novel carbonyl mixed metal salts, containing more than one metal and having the formula:M.sub.2 T.sub.y T'.sub.12.sub.-y (CO).sub.30wherein M is a monovalent metal cation which is one of lithium, sodium, potassium, rubidium, cesium, francium, rhodium, copper, silver, gold, iridium, indium, and thallium, T and T' are each different metals and each is one of cobalt, rhodium and iridium and y may have values from 1 to 11.These compounds are useful catalysts in the reaction between carbon monoxide and hydrogen to produce oxygenated compounds such as methanol, ethylene glycol, glycerine and 1,2-propylene glycol.
摘要:
This invention relates to novel carbonyl mixed metal salts, containing more than one metal and having the formula: M2(TyT''12 y (CO)30)3 wherein M is a trivalent metal cation which is one of aluminum, gallium, iridium, scandium, yttrium, and rhenium, T and T'' are each different metals selected from the group consisting of cobalt, iridium and rhodium, and y may be any whole number between 1 and 11. These compounds are useful catalysts in the reaction between carbon monoxide and hydrogen to produce oxygenated compounds such as methanol, ethylene glycol, glycerine and 1,2-propylene glycol.
摘要:
Method to prepare a catalyst for use in a process for the synthesis of methanol, comprising indium oxide in the form of In2O3, and at least one additional metal selected from a noble metal; and in that the average particle size of said noble metal phase is, preferably at least 0.05 nm, and less than 5 nm as determined by STEM-EDX, characterized in that the catalyst is prepared by co-precipitation of a saline solution at a pH above 8.5 comprising an indium salt and a salt of the at least one additional metal selected from a noble metal and optionally further comprising a salt of the at least one alkaline earth metal.
摘要:
Disclosed are a catalyst used for converting carbon dioxide to methanol by hydrogenation and a method preparing the sane. The caratlys may include: a mesoporous indium oxide; and a catalyst supported on the mesoporous indium oxide. Preferably, a porous structure of the mesoporous indium oxide may have Ia3d symmetry and may include mesopores and micropores interconnecting the mesopores.
摘要:
The invention relates to processes for oxygenate synthesis and homologation, to equipment and materials useful in such processes, and to the use of such oxygenate for producing olefin and polyolefin.
摘要:
The invention relates to processes for oxygenate synthesis and homologation, to equipment and materials useful in such processes, and to the use of such oxygenate for producing olefin and polyolefin.