Catalytic compositions are provided that are effective for providing increased acrylonitrile product without a significant decrease in hydrogen cyanide and/or acetonitrile production and provide an overall increase in production of acrylonitrile, hydrogen cyanide and acetonitrile. The catalytic comp
Catalytic compositions are provided that are effective for providing increased acrylonitrile product without a significant decrease in hydrogen cyanide and/or acetonitrile production and provide an overall increase in production of acrylonitrile, hydrogen cyanide and acetonitrile. The catalytic compositions include a complex of metal oxides and include at least about 15% m-phase plus t-phase by weight and have a weight ratio of m-phase to m-phase plus t-phase of 0.45 or greater.
대표청구항▼
1. A catalytic composition comprising a complex of metal oxides having a formula: Mo12BiaFebAcDdEeFfGgCehOx wherein A is at least one element selected from the group consisting of sodium, potassium, rubidium and cesium;D is at least one element selected from the group consisting of nickel, cobalt, m
1. A catalytic composition comprising a complex of metal oxides having a formula: Mo12BiaFebAcDdEeFfGgCehOx wherein A is at least one element selected from the group consisting of sodium, potassium, rubidium and cesium;D is at least one element selected from the group consisting of nickel, cobalt, manganese, zinc, magnesium, calcium, strontium, cadmium and barium;E is at least one element selected from the group consisting of chromium, tungsten, boron, aluminum, gallium, indium, phosphorus, arsenic, antimony, vanadium and tellurium;F is at least one element selected from the group consisting of a rare earth element, titanium, zirconium, hafnium, niobium, tantalum, aluminum, gallium, indium, thallium, silicon, germanium, and lead;G is at least one element selected from the group consisting of silver, gold, ruthenium, rhodium, palladium, osmium, iridium, platinum and mercury;a is from 0.05 to 7;b is from 0.1 to 7;c is from 0.01 to 5;d is from 0.1 to 12;e is from 0.01 to 0.1;f is from 0 to 5;g is from 0 to 0.2;h is from 0.01 to 5; andx is a number of oxygen atoms required to satisfy valence requirements of other component elements,wherein the catalytic composition includes at least about 15% m-phase plus t-phase by weight and has a weight ratio of m-phase to m-phase plus t-phase of 0.45 or greater, where amounts of m-phase and t-phase are determined using x-ray diffraction and a modified Rietveld analysis model,wherein the catalytic composition is effective for providing an acrylonitrile yield (% AN) of 82 or greater and an acrylonitrile yield (% AN) plus acetonitrile yield (% ACN) plus hydrogen cyanide yield (% HCN) of 88 or more. 2. The catalytic composition of claim 1 wherein the modified Rietveld analysis model includes four major phases. 3. The catalytic composition of claim 1 wherein the catalyst composition includes a support selected from the group consisting of silica, alumina, zirconia, titania, or mixtures thereof. 4. The catalytic composition of claim 1 wherein the catalytic composition includes at least about 18% m-phase plus t-phase by weight. 5. The catalytic composition of claim 4 wherein the catalytic composition includes at least about 20% m-phase plus t-phase by weight. 6. The catalytic composition of claim 5 wherein the catalytic composition includes at least about 22% m-phase plus t-phase by weight. 7. The catalytic composition of claim 1 wherein the acrylonitrile yield (% AN) is 83 or greater.
Midorikawa Hideo (Kurashiki JPX) Someya Ken (Kurashiki JPX) Aoki Kunitoshi (Shinagawa-ku JPX) Nagano Osamu (Yokohama JPX), Ammoxidation catalyst composition, and process for producing acrylonitrile or methacrylonitrile using the same.
Suresh Dev D. (Hudson OH) Friedrich Maria S. (Lyndhurst OH) Seely Michael J. (Twinsburg OH), Catalyst for process for the manufacture of acrylonitrile and methacrylonitrile.
Grasselli Robert K. (Garfield Heights OH) Miller Arthur F. (Cleveland OH) Hardman Harley F. (Lyndhurst OH), Catalyst for the manufacture of acrylonitrile and methacrylonitrile.
Suresh Dev D. (Hudson OH) Friedrich Maria S. (Lyndhurst OH) Seely Michael J. (Twinsburg OH), Catalyst for the manufacture of acrylonitrile and methacrylonitrile.
Dieterle, Martin; Diefenbacher, Armin; Schindler, Goetz Peter; Klanner, Catharina; Mueller Engel, Klaus Joachim; Adami, Christoph, Preparation of acrolein or acrylic acid or a mixture thereof by heterogeneously catalyzed partial gas phase oxidation of propylene.
Brazdil James F. (Bedford OH) Suresh Dev D. (Macedonia OH) Grasselli Robert K. (Chagrin Falls OH), Process for forming multi-component oxide complex catalysts.
Grasselli Robert K. (Chagrin Falls OH) Suresh Dev D. (Warrensville Heights OH) Miller Arthur F. (Cleveland OH), Production of unsaturated nitriles using catalysts containing boron, gallium or indium.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.