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CELANESE INT CORP [US](33)
JOHNSTON VICTOR J [US](13)
WEINER HEIKO [US](13)
ZHOU ZHENHUA [US](13)
WOLLRAB RADMILA [US](8)
HORTON TRINITY [US](7)
JEVTIC RADMILA [US](7)
SARAGER LINCOLN [US](6)
WARNER R JAY [US](5)
ZHOU ZHENHUA [US](5)
专利信息
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[专利权人] 包含 ' CELANESE INT CORP [US]'
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公开号
公开日
申请号
申请日
1.
US2014058131A1
2014/2/27
US201213590389
2012/8/21
专利标题
:Process For Recovering Permanganate Reducing Compounds From An Acetic Acid Production Process
专利权人
:
GOLIGHTLY ROBERT GLENN [US]
;
OYERINDE OYEYEMI [US]
;
SCATES MARK O [US]
;
SHAVER RONALD D [US]
;
CELANESE INT CORP [US]
;
This invention relates to processes for producing acetic acid and, in particular, to improved processes for recovering permanganate reducing compounds formed during the carbonylation of methanol in the presence of a carbonylation catalyst to produce acetic acid. Alkyl halides are removed or reduced from the recovered permanganate reducing compounds.
2.
US2014051894A1
2014/2/20
US201213586311
2012/8/15
专利标题
:Silica Enhanced Support for Hydrogenation Catalysts and Processes for Producing Ethanol
专利权人
:
WEINER HEIKO [US]
;
WOLLRAB RADMILA [US]
;
ZHOU ZHENHUA [US]
;
CELANESE INT CORP [US]
;
The present invention relates to a catalyst. The catalyst is used for converting acetic acid to ethanol. The catalyst comprises one or more active metals on an alkali metal silicate support or on an alkaline earth metal silicate support, wherein the support further comprises a silica enhancer and a support modifier.
3.
US2013261349A1
2013/10/3
US201213432884
2012/3/28
专利标题
:Hydrogenation Catalysts and Processes for Making Same
专利权人
:
WEINER HEIKO [US]
;
ZHOU ZHENHUA [US]
;
CELANESE INT CORP [US]
;
A catalyst composition comprising tin and optionally a second metal for use in the production of alcohols such as ethanol from carboxylic acids such as acetic acid. An acidic solution such as nitric acid is utilized in the preparation of the catalyst according to one embodiment of the present invention to better solubilize an organometallic tin precursor resulting in the formation of catalysts having particularly high selectivity to ethanol.
4.
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.
5.
US2013245333A1
2013/9/19
US201213418755
2012/3/13
专利标题
:Ethanol Manufacturing Process Over Catalyst Having Improved Radial Crush Strength
专利权人
:
ZHOU ZHENHUA [US]
;
DUFF EMILY [US]
;
KUMAR DHEERAJ [US]
;
WEINER HEIKO [US]
;
CELANESE INT CORP [US]
;
Acetic acid is hydrogenation in the presence of a catalyst comprising one or more active metals on a silica support, wherein the catalyst has a radial crush strength of at least 4 N/mm. The one or more active metals may include cobalt, copper, gold, iron, nickel, palladium, platinum, iridium, osmium, rhenium, rhodium, ruthenium, tin, zinc, lanthanum, cerium, manganese, chromium, vanadium, molybdenum and mixtures thereof. Radial crush strength may be improved by steam treating the catalyst suppor...
6.
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.
7.
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 ...
8.
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.
9.
US2013184501A1
2013/7/18
US201313734559
2013/1/4
专利标题
:HYDROGENATION CATALYSTS WITH ACIDIC SITES
专利权人
:
CELANESE INT CORP [US]
;
CELANESE INT CORP [US]
;
The present invention relates to catalysts and to chemical processes employing such catalysts. The catalysts are preferably used for converting acetic acid to ethanol. The catalyst comprises acidic sites and two or more metals. The catalyst has acidic sites on the surface and the balance favors Lewis acid sites.
10.
US2013178670A1
2013/7/11
US201313734570
2013/1/4
专利标题
:HYDROGENATION CATALYSTS WITH BULK MULTIPLE OXIDATED SUPPORTS
专利权人
:
CELANESE INT CORP [US]
;
CELANESE INT CORP [US]
;
The present invention relates to catalysts, to processes for making catalysts and to chemical processes employing such catalysts. The catalysts are preferably used for converting acetic acid and ethyl acetate to ethanol. The catalyst comprises an extruded modified support, and a precious metal. The processes for making the catalysts comprises modifying the catalyst, extruding the catalyst, and impregnating the precious metal onto the catalyst.
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