Method of hydrothermal treatment of phosphorus-modified...

Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – Zsm type

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C502S060000

Reexamination Certificate

active

07576026

ABSTRACT:
A method of treating a ZSM-5-type zeolite catalyst is carried out by treating a ZSM-5 zeolite catalyst having a silica/alumina mole ratio of at least about 200 with a phosphorus compound. The phosphorus-treated ZSM-5 zeolite catalyst is calcined and steamed. Steaming of the catalyst is carried out at a temperature of less than about 300° C. The phosphorus-treated ZSM-5 zeolite catalyst has less than 0.05% by weight of the catalyst of any other element other than phosphorus provided from any treatment of the ZSM-5 zeolite with a compound containing said other element. The catalyst may be used in aromatic alkylation by contacting the catalyst with feed of an aromatic hydrocarbon and an alkylating agent within a reactor under reactor conditions suitable for aromatic alkylation. Water cofeed may be introduced water into the reactor during the aromatic alkylation reaction.

REFERENCES:
patent: 3965207 (1976-06-01), Weinstein
patent: 4326994 (1982-04-01), Haag et al.
patent: 4522929 (1985-06-01), Chester et al.
patent: 4548914 (1985-10-01), Chu
patent: 4559314 (1985-12-01), Shihabi
patent: 4590321 (1986-05-01), Chu
patent: 4623530 (1986-11-01), Cullo et al.
patent: 4623533 (1986-11-01), Young
patent: 4638106 (1987-01-01), Pieters et al.
patent: 4665251 (1987-05-01), Chu
patent: 4670616 (1987-06-01), De Simone et al.
patent: 4673767 (1987-06-01), Nimry et al.
patent: 4694114 (1987-09-01), Chu et al.
patent: 4695666 (1987-09-01), Chao et al.
patent: 4695667 (1987-09-01), Sumitani et al.
patent: 4704495 (1987-11-01), Dessau
patent: 4716135 (1987-12-01), Chen
patent: 4721827 (1988-01-01), Cullo et al.
patent: 4727209 (1988-02-01), Chao
patent: 4746763 (1988-05-01), Kocal
patent: 4758328 (1988-07-01), Young
patent: 4761513 (1988-08-01), Steacy
patent: 4847223 (1989-07-01), Le Van Mao et al.
patent: 4861930 (1989-08-01), Cottrell et al.
patent: 4873067 (1989-10-01), Valyocsik et al.
patent: 4891197 (1990-01-01), Derouane et al.
patent: 4891467 (1990-01-01), Sikkenga
patent: 4902406 (1990-02-01), Valyocsik
patent: 4912073 (1990-03-01), Chu
patent: 4914067 (1990-04-01), Pellet et al.
patent: 4935574 (1990-06-01), D'Amore et al.
patent: 4962255 (1990-10-01), Fraenkel et al.
patent: 4973781 (1990-11-01), Valyocsik et al.
patent: 5041402 (1991-08-01), Casci et al.
patent: 5043502 (1991-08-01), Martindale et al.
patent: 5047141 (1991-09-01), Chu
patent: 5068483 (1991-11-01), Barthomeuf et al.
patent: 5094995 (1992-03-01), Butt et al.
patent: 5105047 (1992-04-01), Waller
patent: 5108579 (1992-04-01), Casci
patent: 5110776 (1992-05-01), Chitnis et al.
patent: 5124299 (1992-06-01), Waller
patent: 5171921 (1992-12-01), Gaffney et al.
patent: 5173461 (1992-12-01), Absil et al.
patent: 5178748 (1993-01-01), Casci et al.
patent: 5231064 (1993-07-01), Absil et al.
patent: 5233102 (1993-08-01), Butt et al.
patent: 5246688 (1993-09-01), Faust et al.
patent: 5248841 (1993-09-01), Young
patent: 5254767 (1993-10-01), Dwyer
patent: 5254770 (1993-10-01), Olson et al.
patent: 5294578 (1994-03-01), Ho et al.
patent: 5315033 (1994-05-01), Butt et al.
patent: 5318696 (1994-06-01), Kowalski
patent: 5321183 (1994-06-01), Chang et al.
patent: 5336478 (1994-08-01), Dwyer et al.
patent: 5345021 (1994-09-01), Casci et al.
patent: 5348643 (1994-09-01), Absil et al.
patent: 5349113 (1994-09-01), Chang et al.
patent: 5349114 (1994-09-01), Lago et al.
patent: 5365003 (1994-11-01), Chang et al.
patent: 5366948 (1994-11-01), Absil et al.
patent: 5367100 (1994-11-01), Gongwei et al.
patent: 5371307 (1994-12-01), Guth et al.
patent: 5378670 (1995-01-01), Kumar
patent: 5380690 (1995-01-01), Zhicheng et al.
patent: 5385718 (1995-01-01), Casci et al.
patent: 5399336 (1995-03-01), Guth et al.
patent: 5430212 (1995-07-01), Butt et al.
patent: 5430213 (1995-07-01), Hendriksen et al.
patent: 5446234 (1995-08-01), Casci et al.
patent: 5455213 (1995-10-01), Chang et al.
patent: 5456821 (1995-10-01), Absil et al.
patent: 5464799 (1995-11-01), Casci et al.
patent: 5475179 (1995-12-01), Chang et al.
patent: 5498814 (1996-03-01), Chang et al.
patent: 5503818 (1996-04-01), Nicolaides
patent: 5516736 (1996-05-01), Chang et al.
patent: 5523510 (1996-06-01), Pellet et al.
patent: 5534239 (1996-07-01), Fajula et al.
patent: 5536894 (1996-07-01), Degnan et al.
patent: 5541146 (1996-07-01), Chang et al.
patent: 5561095 (1996-10-01), Chen et al.
patent: 5563310 (1996-10-01), Chang et al.
patent: 5569805 (1996-10-01), Beck et al.
patent: 5571768 (1996-11-01), Chang et al.
patent: 5573746 (1996-11-01), Chen
patent: 5576256 (1996-11-01), Monque et al.
patent: 5607888 (1997-03-01), Chang et al.
patent: 5607890 (1997-03-01), Chen et al.
patent: 5646314 (1997-07-01), Crocco et al.
patent: 5648580 (1997-07-01), Chen et al.
patent: 5658454 (1997-08-01), Absil et al.
patent: 5675047 (1997-10-01), Beck et al.
patent: 5689024 (1997-11-01), Schmitt
patent: 5698756 (1997-12-01), Beck et al.
patent: 5780563 (1998-07-01), Chen et al.
patent: 5789335 (1998-08-01), Chen et al.
patent: 5811613 (1998-09-01), Bhat et al.
patent: 5833840 (1998-11-01), Absil et al.
patent: 5902919 (1999-05-01), Chen et al.
patent: 5905051 (1999-05-01), Wu et al.
patent: 5922922 (1999-07-01), Harris et al.
patent: 5925586 (1999-07-01), Sun
patent: 5939597 (1999-08-01), Dessau et al.
patent: 5951963 (1999-09-01), He et al.
patent: 5955641 (1999-09-01), Chen et al.
patent: 5994603 (1999-11-01), Mohr et al.
patent: 6034283 (2000-03-01), Ban et al.
patent: 6040257 (2000-03-01), Drake et al.
patent: 6046128 (2000-04-01), Kisen et al.
patent: 6047544 (2000-04-01), Yamamoto et al.
patent: 6048816 (2000-04-01), Brown et al.
patent: 6060633 (2000-05-01), Chen et al.
patent: 6074975 (2000-06-01), Yao et al.
patent: 6080303 (2000-06-01), Cao et al.
patent: 6080698 (2000-06-01), Zhang et al.
patent: 6083865 (2000-07-01), Drake et al.
patent: 6090274 (2000-07-01), Wu et al.
patent: 6100437 (2000-08-01), Koehl et al.
patent: 6124227 (2000-09-01), Yao et al.
patent: 6150293 (2000-11-01), Verduijn et al.
patent: 6156949 (2000-12-01), Brown et al.
patent: 6160191 (2000-12-01), Smith et al.
patent: 6187982 (2001-02-01), Beck et al.
patent: 6211104 (2001-04-01), Shi et al.
patent: 6217748 (2001-04-01), Hatanaka et al.
patent: 6251263 (2001-06-01), Hatanaka et al.
patent: 6294493 (2001-09-01), Strohmaier et al.
patent: 6300535 (2001-10-01), van den Berge et al.
patent: 6306790 (2001-10-01), Rodriguez et al.
patent: 6342153 (2002-01-01), Guan et al.
patent: 6388156 (2002-05-01), Ou et al.
patent: 6395664 (2002-05-01), Boehner et al.
patent: 6399530 (2002-06-01), Chen et al.
patent: 6417421 (2002-07-01), Yao
patent: 6423879 (2002-07-01), Brown et al.
patent: 6444610 (2002-09-01), Yamamoto
patent: 6459006 (2002-10-01), Ou et al.
patent: 6469095 (2002-10-01), Gareiss et al.
patent: 6503862 (2003-01-01), Yamamoto
patent: 6504072 (2003-01-01), Brown et al.
patent: 6504074 (2003-01-01), Verduijn et al.
patent: 6506954 (2003-01-01), Brown et al.
patent: 6518213 (2003-02-01), Yamamoto et al.
patent: 6548725 (2003-04-01), Froment et al.
patent: 6566293 (2003-05-01), Vogt et al.
patent: 6589901 (2003-07-01), Yamamoto
patent: 6613708 (2003-09-01), Ou et al.
patent: 6613951 (2003-09-01), Brown et al.
patent: 6642426 (2003-11-01), Johnson et al.
patent: 6689929 (2004-02-01), Williams et al.
patent: 6699811 (2004-03-01), Mohr et al.
patent: 6723297 (2004-04-01), Chen et al.
patent: 6726834 (2004-04-01), Quesada et al.
patent: 6770251 (2004-08-01), Yoshikawa
patent: 6773694 (2004-08-01), Lesch et al.
patent: 6799089 (2004-09-01), Toulhoat
patent: 6811684 (2004-11-01), Mohr et al.
patent: 6812181 (2004-11-01), van der Berge et al.
patent: 2005/0070749 (2005-03-01), Ghosh et al.
patent: WO94/27934 (1994-12-01), None
patent: WO2006/127827 (2006-12-01), None
patent: WO2007/076088 (2007-07-01), None
Kaeding, W.W., et al., Selective Alkylation of Toluene to Produce para-Xylene, Journal of Catalysis 67, 1981, pp. 159-174.
Nirula, S.C., Para-Xylene From Toluene and Methanol, Process Economics Program, 1983, pp. 1-23, SRI International, Menlo Park, CA.

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