Catalyst supports having crystalline support modifiers
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07C-029/149
C07C-031/00
B01J-023/00
출원번호
US-0018615
(2011-02-01)
등록번호
US-8569549
(2013-10-29)
발명자
/ 주소
Weiner, Heiko
Johnston, Victor J.
출원인 / 주소
Celanese International Corporation
인용정보
피인용 횟수 :
1인용 특허 :
97
초록▼
A catalyst comprising a first metal, a silicaceous support, and at least one metasilicate support modifier, wherein at least 1 wt. % of the at least one metasilicate support modifier is crystalline in phase, as determined by x-ray diffraction. The invention also relates to processes for forming such
A catalyst comprising a first metal, a silicaceous support, and at least one metasilicate support modifier, wherein at least 1 wt. % of the at least one metasilicate support modifier is crystalline in phase, as determined by x-ray diffraction. The invention also relates to processes for forming such catalysts, to supports used therein, and to processes for hydrogenating acetic acid in the presence of such catalysts.
대표청구항▼
1. A process for producing ethanol, comprising hydrogenating acetic acid in the presence of a catalyst comprising a first metal, a silicaceous support, and at least one metasilicate support modifier, wherein at least 0.5 wt. % of the metasilicate support modifier is in a crystalline phase, as determ
1. A process for producing ethanol, comprising hydrogenating acetic acid in the presence of a catalyst comprising a first metal, a silicaceous support, and at least one metasilicate support modifier, wherein at least 0.5 wt. % of the metasilicate support modifier is in a crystalline phase, as determined by XRD. 2. The process of claim 1, wherein from 0.5 wt. % to 5 wt. % of the metasilicate support modifier is in a crystalline phase. 3. The process of claim 1, wherein at least 1 wt. % of the metasilicate support modifier is in a crystalline phase. 4. The process of claim 1, wherein the first metal is present in an amount of from 0.1 to 25 wt. %, based on the total weight of the catalyst and the first metal is selected from the group consisting of copper, iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, platinum, titanium, zinc, chromium, rhenium, molybdenum, and tungsten. 5. The process of claim 4, wherein the catalyst further comprises a second metal different from the first metal, wherein the second metal is present in an amount of from 0.1 to 10 wt. %, based on the total weight of the catalyst and the second metal is selected from the group consisting of copper, molybdenum, tin, chromium, iron, cobalt, vanadium, tungsten, palladium, platinum, lanthanum, cerium, manganese, ruthenium, rhenium, gold, and nickel. 6. The process of claim 1, wherein the at least one metasilicate support modifier is selected from the group consisting of metasilicates of sodium, potassium, magnesium, calcium, scandium, yttrium, and zinc. 7. The process of claim 1, wherein the at least one metasilicate support modifier is present in an amount of 0.1 wt. % to 50 wt. %, based on the total weight of the catalyst. 8. The process of claim 1, wherein the silicaceous support is present in an amount of 25 wt. % to 99 wt. %, based on the total weight of the catalyst. 9. The process of claim 1, wherein the silicaceous support is selected from the group consisting of silica, silica/alumina, calcium metasilicate, pyrogenic silica, high purity silica and mixtures thereof.
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이 특허에 인용된 특허 (97)
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