The catalyst comprises one or more molybdates of trivalent metals chosen from Fe, Al, Ce and Cr and/or molybdates of bivalent metals chosen from alpha manganese molybdate, beta cobalt molybdate, beta nickel molybdate and the molybdates of Zn, Mg and Ca, and one or more promoter elements chosen from
The catalyst comprises one or more molybdates of trivalent metals chosen from Fe, Al, Ce and Cr and/or molybdates of bivalent metals chosen from alpha manganese molybdate, beta cobalt molybdate, beta nickel molybdate and the molybdates of Zn, Mg and Ca, and one or more promoter elements chosen from Se, Te, As, Sb, V, Nb, Sn, Pb and Tl homogeneously distributed within the crystalline structure of said molybdates with distortion thereof without creating new crystalline phases.
대표청구항▼
A catalyst active and selective in the conversation of unsaturated hydrocarbons into diolefins and unsaturated nitriles and aldehydes, which comprises: a crystalline phase (I) consisting of one or more molybdates of the monoclinic system, selected from the group consisting of ferric molybdate, an al
A catalyst active and selective in the conversation of unsaturated hydrocarbons into diolefins and unsaturated nitriles and aldehydes, which comprises: a crystalline phase (I) consisting of one or more molybdates of the monoclinic system, selected from the group consisting of ferric molybdate, an aluminum molybdate isomorph of ferric molybdate, a cerium molybdate isomorph of ferric molybdate, and a chromium molybdate isomorph of ferric molybdate; and a crystalline phase (II) consisting of one or more molybdates belonging to the monoclinic system, selected from the group consisting of alpha manganese molybdate, a beta cobalt molybdate isomorph of alpha manganese molybdate, a beta nickel molybdate isomorph of alpha manganese molybdate, a zinc molybdate isomorph of alpha manganese molybdate, a magnesium molybdate isomorph of alpha manganese molybdate, and a cadmium molybdate isomorph of alpha manganese molybdate, wherein the molar ratio between the molybdates of phase (I) and molybdates of phase (II) is from 0.1:1 to 5:1, and one or more promotor chemical elements selected from the group consisting of selenium, tellurium, arsenic, antimony, bismuth, vanadium, niobium, tin, lead and thallium, homogenously distributed with said crystalline phases (I) and (II) with distortion of the structure of said phases and without creating new further phases wherein the atomic ratio between said promotor elements and the sum of said bivalent and trivalent elements of phases (I) and (II) in said catalyst is from 0.01:1 to 1.0:1.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (2)
Grasselli Robert K. (Chagrin Falls OH) Miller Arthur F. (Lyndhurst OH) Hardman Harley F. (Lyndhurst OH), Catalysts and process for the ammoxidation of olefins.
Daumas Jean-Claude (Orsay FRX) Derrien Jean-Yves (Bourg-la-Reine FRX) Van den Bussche Francis (Ris-Orangis FRX), Novel catalyst for oxidizing olefins in ab
상세보기
이 특허를 인용한 특허 (25)
Liang, Wugeng; Stevenson, Scott A.; McGuffey, Angie, Catalyst for methacrolein oxidation and method for making and using same.
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; Sullivan, David; Kauffman, James W.; Rea, Clark; Linzer, Joe; Shaikh, Shahid, Catalyst for oxidation of saturated and unsaturated aldehydes to unsaturated carboxylic acid, method of making and method of using thereof.
Choi, Namsun; Sung, Hyun-Kyung; Kim, Dong Hwan; Ryu, Sang-Hyo; Lee, Wan Sung; Jang, Youngchan, Catalyst for preparing carbon nanotubes by controlling its apparent density.
Wang, Jian; Li, Xuemei; Zhuang, Yan; Shi, Kaimin; Jiao, Kun; Ma, Jianxue; Chu, Xiaodong; Shao, Jingming, Catalyst for producing unsaturated aldehyde by oxidation of lower olefin at high space velocity.
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.
Walzel, Inga; Mestl, Gerhard; Neumann, Silvia; Pritzl, Magdalena; Donabauer, Gabriele; Grasselli, Robert K., Composite material containing a bismuth-molybdenum-nickel mixed oxide or a bismuth-molybdenum-cobalt mixed oxide and SiO2.
Kauffman, James W.; Sullivan, David L.; Dostal, Joe D., High molybdenum mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins.
Soled, Stuart Leon; Riley, Kenneth Lloyd; Schleicher, Gary P.; Demmin, Richard A.; Schuette, legal representative, Darlene; Cody, Ian Alfred; Schuette, William L., Hydrocracking process using bulk group VIII/Group VIB catalysts.
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.
Eijsbouts, Sonja; Oogjen, Bob Gerardus; Homan Free, Hermannus Willem; Cerfontain, Marinus Bruce; Riley, Kenneth Lloyd; Soled, Stuart Leon; Miseo, Sabato, Mixed metal catalyst, its preparation by co-precipitation, and its use.
Suresh Dev. D. (Macedonia OH) Grasselli Robert K. (Aurora OH) Ratka Frances I. (Cleveland Heights OH) Brazdil James F. (Mayfield Village OH), Multiply promoted MN-SB oxide catalysts.
Yoshida, Jun; Yamaguchi, Tatsuo, Oxide catalyst and method for producing the same, and methods for producing unsaturated aldehyde, diolefin, and unsaturated nitrile.
Kauffman,James W.; Cai,Lixia; Liang,Wugeng, Process for synthesizing a heteropoly acid catalyst for oxidation of unsaturated aldehydes to unsaturated carboxylic acid.
Vrieland G. Edwin (Midland MI) Murchison Craig B. (Midland MI), Process of oxidizing aliphatic hydrocarbons employing an alkali-promoted molybdate catalyst.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.