IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0503093
(1974-09-04)
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우선권정보 |
JA-0033597 (1969-05-02) |
발명자
/ 주소 |
- Takenaka Shigeo (Takasaki JA) Kido Yasuji (Takasaki JA) Shimabara Tatsutoshi (Takasaki JA) Ogawa Masanobu (Takasaki JA)
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출원인 / 주소 |
- Nippon Kayaku Kabushiki Kaisha (Tokyo JA 03)
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인용정보 |
피인용 횟수 :
9 인용 특허 :
0 |
초록
▼
The preparation of an oxidation catalyst is described, represented by the following general formula: NiaCobFecBidLeMhMofOg; IN WHICH L is phosphorous, arsenic or boron and M is potassium, rubidium or cesium; and wherein a and b have a value of from 0 to 15, a +b being 2 to 15, c is 0.5 to 7, d is 0.
The preparation of an oxidation catalyst is described, represented by the following general formula: NiaCobFecBidLeMhMofOg; IN WHICH L is phosphorous, arsenic or boron and M is potassium, rubidium or cesium; and wherein a and b have a value of from 0 to 15, a +b being 2 to 15, c is 0.5 to 7, d is 0.1 to 4, e is 0 to 4, f is 12, g is 35 to 85 and h is 0.01 to 0.5. The oxidation catalyst is useful in a process to produce acrolein by oxidizing propylene in vapor phase.
대표청구항
▼
A process for increasing the single pass yield of unsaturated aldehydes in the oxidation of olefins to unsaturated aldehydes comprising reacting, in gaseous phase at a temperature of from 250°to 500°C at a pressure of from 0.5 to 10 atmospheres absolute, an olefin selected from the group consisting
A process for increasing the single pass yield of unsaturated aldehydes in the oxidation of olefins to unsaturated aldehydes comprising reacting, in gaseous phase at a temperature of from 250°to 500°C at a pressure of from 0.5 to 10 atmospheres absolute, an olefin selected from the group consisting of propylene and isobutylene with a gas selected from the group consisting of air, oxygen and mixtures thereof in the presence of an oxidation catalyst of the general formula: NiaCobFecBi dBeMhMofOg; in which Ni, Co, Fe, Bi, B, Mo and O are respectively elements of nickel, cobalt, iron, bismuth, boron, molybdenum and oxygen; M is at least one element selected from the group consisting of potassium, rubidium and cesium; a, b, c, d, e, f, g, and h are respectively numbers of atoms of Ni, Co, Fe, Bi, B, Mo, O and M; and wherein a and b aRe 0 to 15, a plus b is 2 to 15, c is 0.5 to 7, d is 0.1 to 4, e is 0.5 to 4, f is 12, g is 35 to 85, and h is 0.01 to 0.5. A process for increasing the single pass yield of unsaturated aldehydes in the oxidation of olefins to unsaturated aldehydes comprising reacting, in gaseous phase at a temperature of from 250°to 500°C at a pressure of from 0.5 to 10 atmospheres absolute, an olefin selected from the group consisting of propylene and isobutylene with a gas selected from the group consisting of air, oxygen and mixtures thereof in the presence of an oxidation catalyst of the general formula: NiaCobFecBidLeMhMofOg; in which Ni, Co, Fe, Bi, Mo and O are respectively elements of nickel, cobalt, iron, bismuth, molybdenum and oxygen; L is at least one element selected from the group consisting of phosphorous, arsenic and boron; M is at least one element selected from the group consisting of potassium, rubidium and cesium; a, b, c, d, e, f, g, and h are respectively numbers of atoms of Ni, Co, Fe, Bi, L, Mo, O and M; and wherein a and b are 0 to 15, a plus b is 2 to 15, c is 0.5 to 7, d is 0.1 to 4, e is 0 to 4, f is 12, g is 35 to 85, and h is 0.01 to 0.5.
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