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JOHNSTON VICTOR J [US](27)
JEVTIC RADMILA [US](15)
WEINER HEIKO [US](14)
CELANESE INT CORP [US](13)
CELANESE INT CORP [US](13)
SARAGER LINCOLN [US](10)
WARNER R JAY [US](10)
HORTON TRINITY [US](9)
ZHOU ZHENHUA [US](6)
LEE DAVID [US](6)
专利信息
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[IPC] 包含 'B'
[专利权人] 包含 ' JOHNSTON VICTOR J [US]'
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公开号
公开日
申请号
申请日
1.
US2013245335A1
2013/9/19
US201213419601
2012/3/14
专利标题
:Acetic Acid Hydrogenation over a Group VIII Metal Calcined Catalyst Having a Secondary Promoter
专利权人
:
ZHOU ZHENHUA [US]
;
JOHNSTON VICTOR J [US]
;
WEINER HEIKO [US]
;
CELANESE INT CORP [US]
;
The present invention relates to a process for hydrogenating feedstock comprising acetic acid in the presence of hydrogen to product comprising ethanol in a reaction zone under hydrogenation conditions over a catalyst composition promoted with cobalt, rhodium, cesium or a combination thereof on a previously calcined composition comprising at least one Group VIII metal and tin on a support material.
2.
US2013225877A1
2013/8/29
US201213408226
2012/2/29
专利标题
:Catalyst Having Support Containing Tin and Process for Manufacturing Ethanol
专利权人
:
WEINER HEIKO [US]
;
ZHOU ZHENHUA [US]
;
JEVTIC RADMILA [US]
;
JOHNSTON VICTOR J [US]
;
CELANESE INT CORP [US]
;
The present invention relates to a catalyst composition having a support that contains tin. The catalyst is used for converting acetic acid to ethanol. The catalyst may also comprise one or more active metals and a support modifier.
3.
US2013211150A1
2013/8/15
US201213371064
2012/2/10
专利标题
:Chemisorption of Ethyl Acetate During Hydrogenation of Acetic Acid to Ethanol
专利权人
:
ZHOU ZHENHUA [US]
;
WEINER HEIKO [US]
;
KUMAR DHEERAJ [US]
;
TU XIAOYAN [US]
;
JOHNSTON VICTOR J [US]
;
JEVTIC RADMILA [US]
;
CELANESE INT CORP [US]
;
A hydrogenation catalyst and process using the catalyst for converting a mixture comprising acetic acid and ethyl acetate to ethanol at a first temperature, and the catalyst desorbs ethyl acetate, in the absence of hydrogen, at a second temperature that is greater than the first temperature. The catalyst has a suitable chemisorption of ethyl acetate at the first temperature in the absence of hydrogen. In one embodiment, the first temperature ranges from 125 DEG C. to 350 DEG C. and the second ...
4.
US2013190527A1
2013/7/25
US201213356189
2012/1/23
专利标题
:Bismuth Catalyst Composition and Process For Manufacturing Ethanol Mixture
专利权人
:
ZHOU ZHENHUA [US]
;
JOHNSTON VICTOR J [US]
;
WEINER HEIKO [US]
;
CELANESE INT CORP [US]
;
The present invention relates to a catalyst composition comprising at least one Group VIII metal and bismuth on a support, and to a process for manufacturing a product comprising ethanol and ethyl acetate from a feedstock comprising acetic acid over the catalyst composition under hydrogenation conditions, including a temperature of greater than about 290 DEG C.
5.
WO2013103395A1
2013/7/11
WO2012US52500
2012/8/27
专利标题
:PRECIOUS METAL, ACTIVE METAL AND MODIFIED SUPPORT - CONTAINING HYDROGENATION CATALYSTS AND ACETIC ACID HYDROGENATION PROCESS USING THE SAME
专利权人
:
CELANESE INT CORP [US]
;
ZHOU ZHENHUA [US]
;
JOHNSTON VICTOR J [US]
;
KUMAR DHEERAJ [US]
;
TU XIUOYAN [US]
;
WEINER HEIKO [US]
;
WOLLRAB RADMILA [US]
;
The present invention relates to catalysts which may be used for converting acetic acid to ethanol, and to chemical processes employing such catalysts. The catalyst comprises a precious metal and one or more active metals on a modified support comprising cobalt, tin, and a modifier selected from tungsten, molybdenum, vanadium, niobium, and tantalum. The modified support may comprise cobalt tungstate.
6.
US2013165703A1
2013/6/27
US201213552036
2012/7/18
专利标题
:Hydrogenation Catalysts Having An Amorphous Support
专利权人
:
WEINER HEIKO [US]
;
ZHOU ZHENHUA [US]
;
JOHNSTON VICTOR J [US]
;
CELANESE INT CORP [US]
;
The present invention relates to a catalyst having an amorphous support and one or more active metals. The amorphous support may comprise a support material and an amorphous support modifier, which adjusts the acidity of the support material. In preparing the amorphous catalyst, post-synthesis treatment, i.e. calcination, may be used to adjust the catalyst performance while converting acetic acid to ethanol.
7.
US2013165702A1
2013/6/27
US201213552030
2012/7/18
专利标题
:Calcination of Modified Support to Prepare Hydrogenation Catalysts
专利权人
:
WEINER HEIKO [US]
;
ZHOU ZHENHUA [US]
;
JOHNSTON VICTOR J [US]
;
CELANESE INT CORP [US]
;
The present invention relates to a catalyst having an amorphous support and one or more active metals. The amorphous support may comprise a support material and an amorphous support modifier, which adjusts the acidity of the support material. In preparing the amorphous catalyst, post-synthesis treatment, i.e. calcination, may be used to adjust the catalyst performance while converting acetic acid to ethanol.
8.
US2013046113A1
2013/2/21
US201213610074
2012/9/11
专利标题
:PROCESS FOR PURIFYING ETHANOL
专利权人
:
CELANESE INT CORP [US]
;
WOLLRAB RADMILA [US]
;
BOWER NATHAN [US]
;
CHAPMAN JOSEFINA T [US]
;
GRUSENDORF GERALD [US]
;
JOHNSTON VICTOR J [US]
;
SARAGER LINCOLN [US]
;
WARNER R JAY [US]
;
WEINER HEIKO [US]
;
Purifying and/or recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of crude ethanol mixture are employed to allow recovery of ethanol and remove impurities. In addition, the process involves returning acetaldehyde separated from the crude ethanol product to the reactor.
9.
US2013035525A1
2013/2/7
US201113197759
2011/8/3
专利标题
:PROCESS FOR PRODUCING ANHYDROUS ETHANOL USING EXTRACTIVE DISTILLATION COLUMN
专利权人
:
CELANESE INTERNATION CORP [US]
;
JOHNSTON VICTOR J [US]
;
LEE DAVID [US]
;
SARAGER LINCOLN [US]
;
WARNER R JAY [US]
;
The present invention relates to the recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of crude ethanol product are employed to allow recovery of an anhydrous ethanol composition. The process involves separating the crude ethanol product using one or more extractive distillation columns that employ one or more extractive agents. The anhydrous ethanol composition comprises less than 1 wt. % water, based on the to...
10.
WO2013019230A1
2013/2/7
WO2011US46487
2011/8/3
专利标题
:PROCESS FOR SEPARATING ETHANOL HAVING LOW ACID
专利权人
:
CELANESE INT CORP [US]
;
OROSCO ADAM [US]
;
SALADO MANUEL [US]
;
SARAGER LINCOLN [US]
;
WARNER R JAY [US]
;
HORTON TRINITY [US]
;
JOHNSTON VICTOR J [US]
;
LEE DAVID [US]
;
A process for operating a distillation column to separate an ethanol mixture comprising ethanol and acetic acid where the recovered ethanol comprises less than 700 wppm acetic acid. The operating conditions for the column may vary depending on the fed composition. In particular the process provides energy efficient recovery of ethanol with low concentration acetic acid.
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