摘要:
This invention relates to a process for converting a hydrocarbon reactant to a product comprising an oxygenate or a nitrile, the process comprising: (A) flowing a reactant composition comprising the hydrocarbon reactant, and oxygen or a source of oxygen, and optionally ammonia, through a microchannel reactor in contact with a catalyst to convert the hydrocarbon reactant to the product, the hydrocarbon reactant undergoing an exothermic reaction in the microchannel reactor; (B) transferring heat from the microchannel reactor to a heat exchanger during step (A); and (C) quenching the product from step (A).
摘要:
This invention relates to a process for converting a hydrocarbon reactant to a product comprising an oxygenate or a nitrile, the process comprising: (A) flowing a reactant composition comprising the hydrocarbon reactant, and oxygen or a source of oxygen, and optionally ammonia, through a microchannel reactor in contact with a catalyst to convert the hydrocarbon reactant to the product, the hydrocarbon reactant undergoing an exothermic reaction in the microchannel reactor; (B) transferring heat from the microchannel reactor to a heat exchanger during step (A); and (C) quenching the product from step (A).
摘要:
A method is disclosed for making a silica molecular sieve comprising:(A) providing a mixture comprising: water; an oxide, hydroxide or alkoxide of silicon; a mineralizing agent; and a synthesis directing nitrogen containing organic dye; and(B) maintaining said mixture at a temperature of about 80.degree. C. to about 300.degree. C. for an effective period of time to provide said silica molecular sieve.
摘要:
Solid catalysts comprising a solid inorganic catalyst support material and polymeric transition metal complex are ideally suited for use as solid catalysts in various vapor phase heterogeneous continuous reactions.
摘要:
Crystalline Group IIIB metallophosphates are provided herein having a composition in terms of mole ratios of oxides in the synthesized state of:X(M'.sub.2 O):Y(M.sub.2 O.sub.3):Z(P.sub.2 O.sub.5):nH.sub.2 O (I)whereinM' is an alkali metal;M is a Group IIB metal;x/y is a number from about 1.1 to about 1.9;z/y is a number from about 1 to about 1.9n/y is a number from about 0 to about 8.Also provided is the use of these metallophosphates as ion exchange materials.
摘要翻译:本文提供的结晶IIIB族金属磷酸盐具有以下合成状态的氧化物的摩尔比的组成:X(M'2O):Y(M2O3):Z(P2O5):nH2O(I)其中M'是碱 金属; M是IIB族金属; x / y是约1.1至约1.9的数; z / y为约1至约1.9的数,n / y为约0至约8的数。还提供了这些金属磷酸盐作为离子交换材料的用途。
摘要:
Catalysts comprising the mixed oxides of ruthenium, copper, at least one alkali metal and at least one of rhodium, iridium, palladium, and platinum are provided which are useful in the upgrading of synthesis gas, particularly for obtaining alkanes and alcohols.
摘要:
A process is provided for the vapor phase hydrogenation of carboxylic acids to yield their corresponding alcohols in the presence of steam and a catalyst comprising the mixed oxides of ruthenium, at least one of cobalt, nickel, and optionally one of cadmium, zinc, copper, iron, rhodium, palladium, osmium, iridium and platinum. A process is further provided for the preparation of carboxylic acid esters from carboxylic acids in the absence of steam utilizing the above-identified catalysts.
摘要:
Catalysts comprising the mixed oxides of ruthenium, copper, at least one alkali metal and at least one of rhodium, iridium, palladium, and platinum are provided which are useful in the upgrading of synthesis gas, particularly for obtaining alkanes and alcohols.
摘要:
Five, six and seven member nitrogen-containing saturated heterocyclic compounds can be prepared by the catalytic hydrogenation/cyclization of beta, gamma and delta-cyanoesters. Applicants have discovered that this reaction is especially effective when it is conducted in the presence of catalysts comprising at least one of ruthenium and iron.
摘要:
A process for the selective hydrocarboxylation of propylene to produce predominantly isobutyric acid in the liquid phase is provided. The reaction of propylene, carbon monoxide and water is effected at a temperature of about 10.degree. C. to about 80.degree. C. and at a pressure of about 75 psi to about 1500 psi in the presence of a strong acid and a metal phthalocyanine co-catalyst.