A catalyst for the production of unsaturated aldehydes is provided which is represented by the general formula ##EQU##Bi a W b Fe c Mo d A e B f C g D h O x wherein Bi represents bismuth, W represents tungsten, Fe represents iron, Mo represents molybdenum, O represents oxygen, A represents nickel a
A catalyst for the production of unsaturated aldehydes is provided which is represented by the general formula ##EQU##Bi a W b Fe c Mo d A e B f C g D h O x wherein Bi represents bismuth, W represents tungsten, Fe represents iron, Mo represents molybdenum, O represents oxygen, A represents nickel and/or cobalt, B represents at least one element selected from the group consisting of alkali metals, alkaline earth metals and thallium, C represents at least one element selected from the group consisting of phosphorus, arsenic, boron, antimony, tin, cerium, lead and niobium, D presents at least one element selected from the group consisting of silicon, aluminum, zirconium and titanium, a, b, c, d, e, f, g, h and x represent the atomic ratios of the individual elements, and when d is taken as 12, a=0.1-10.0, b=0.5-10.0 (provided that a/b=0.01-6.0), c=0.1-10.0, e=2.0-20.0, f=0.001-10.0, g=0-10.0, and h=0-30, and x takes a number determined by the atomic valences of the individual elements. The Bi component is introduced thereinto in the form of an oxide obtained beforehand by calcining a mixture of a bismuth compound and a tungsten compound at a temperature of 600° to 900° C.
대표청구항▼
1. A catalyst for the production of unsaturated aldehydes, said catalyst being represented by the general formula ##EQU##Bi a W b Fe c Mo d A e B f C g D h O x wherein Bi represents bismuth, W represents tungsten, Fe represents iron, Mo represents molybdenum, O represents oxygen, A represents ni
1. A catalyst for the production of unsaturated aldehydes, said catalyst being represented by the general formula ##EQU##Bi a W b Fe c Mo d A e B f C g D h O x wherein Bi represents bismuth, W represents tungsten, Fe represents iron, Mo represents molybdenum, O represents oxygen, A represents nickel (Ni) and/or cobalt (Co), B represents at least one element selected from the group consisting of alkali metals, alkaline earth metals and thallium, C represents at least one element selected from the group consisting of phosphorus (P), arsenic (As), boron (B), antimony (Sb), tin (Sn), cerium (Ce), lead (Pb) and niobium (Nb), D represents at least one element selected from the group consisting of silicon (Si), aluminum (Al), zirconium (Zr) and titanium (Ti), a, b, c, d, e, f, g, h and x represent the atomic ratios of the individual elements, and when d is taken as 12, a=0.1-10.0, b=0.5-10.0 (provided that a/b=0.01-6.0), c=0.1-10.0, e=2.0-20.0, f=0.001-10.0, g=0-10.0, and h=0-30, and x takes a number determined by the atomic valences of the individual elements; said catalyst having been calcined in air at a temperature of from 400° C.-600° C. the Bi component being introduced thereinto in the form of a bismuth tungstate obtained beforehand by calcining a mixture of a bismuth compound and a tungsten compound at a temperature of 600° to 900° C. 2. The catalyst of claim 1 wherein when d is taken as 12, a=0.5-5.0, b=0.5-4.0 (provided that a/b=0.1-4.0), c=0.2-5.0, e=3.0-10.0, f=0.02-2.0, g=0-5.0 and h=0.5-10.0.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (8)
Kirch Lawrence S. (Huntingdon Valley PA) Kennelly William J. (Newtown PA), Catalyst compositions and their use for the preparation of methacrolein.
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. (Macedonia OH) Friedrich Maria S. (Lyndhurst OH), Process for producing an oxide complex catalyst containing molybdenum and one of bismuth and tellurium.
Grasselli Robert K. (Chagrin Falls OH) Suresh Dev D. (Macedonia OH) Miller Arthur F. (Lyndhurst OH), Production of unsaturated nitriles using catalysts containing boron, gallium or indium.
Stevenson, Scott A.; Liang, Wugeng; Kauffman, James W.; Cai, Lixia; McGuffey, Angie; Linzer, Joseph R., Catalyst for methacrolein oxidation and method for making and using same.
Liang, Wugeng; Stevenson, Scott A.; McGuffey, Angie; Linzer, Joseph R., Catalyst for the oxidation of a mixed aldehyde feedstock to methacrylic acid and methods for making and using same.
Onodera, Hideo; Tanimoto, Michio, Catalysts for production of unsaturated aldehyde and unsaturated carboxylic acid and a process for producing unsaturated aldehyde and unsaturated carboxylic acid using the catalysts.
Kauffman, James W.; Sullivan, David L.; Dostal, Joe D., High molybdenum mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins.
Heiko Arnold DE; Signe Unverricht DE; Ulrich Hammon DE; Hans-Peter Neumann DE; Klaus Harth DE; Andreas Tenten DE, Method for the catalytic gas phase oxidation of propene into acrolein.
Unverricht,Signe; Arnold,Heiko; Tenten,Andreas; Hammon,Ulrich; Neumann,Hans Peter; Harth,Klaus, Method for the catalytic gas phase oxidation of propene into acrylic acid.
Stevenson, Scott A.; Liang, Wugeng; Kauffman, James W.; Cai, Lixia; McGuffey, Angie; Linzer, Joseph R., Methods for making unsaturated acids using catalysts for methacrolein oxidation.
Liang,Wugeng; Stevenson,Scott A.; Kauffman,James W.; Ledford,John S.; Linzer,Joseph R., Mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins.
Liang,Wugeng; Stevenson,Scott A.; Kauffman,James W.; Ledford,John S.; Linzer,Joseph R., Mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins.
Liang,Wugeng; Stevenson,Scott A.; Kauffman,James W.; Ledford,John S.; Linzer,Joseph R., Mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins.
Choi, Dae Heung; Ko, Dong Hyun; Kang, Jun Han; Cha, Kyong Yong; Kim, Dae Chul; Nam, Hyun Seok; Suh, Myung Ji, Oxidation catalyst for production of butadiene and method of preparing the same.
Martan Hans (Frankenthal DEX) Schwarzmann Matthias (Limburgerhof DEX) Boehning Karl-Heinz (Darmstadt DEX) Dreyer Heinz (Ludwigshafen DEX), Preparation of a catalytically active composition for the gas phase oxidation of propylene to acrolein and acrylic acid.
Luo, Ge; Wen, Xin; Zhao, Xiaoqi; Li, Xuemei; Zhuang, Yan; Ma, Jianxue; Shao, Jingming, Preparation process of a catalyst used for gas phase oxidation of light alkenes to unsaturated aldehydes.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.