ES2177033T3 - Procedimiento mejorado para recuperar hidrogeno durante la produccion de acido tereftalico puro. - Google Patents
Procedimiento mejorado para recuperar hidrogeno durante la produccion de acido tereftalico puro.Info
- Publication number
- ES2177033T3 ES2177033T3 ES98936840T ES98936840T ES2177033T3 ES 2177033 T3 ES2177033 T3 ES 2177033T3 ES 98936840 T ES98936840 T ES 98936840T ES 98936840 T ES98936840 T ES 98936840T ES 2177033 T3 ES2177033 T3 ES 2177033T3
- Authority
- ES
- Spain
- Prior art keywords
- pure
- during production
- hydrogen during
- improved procedure
- recover hydrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Un procedimiento para recuperar y reciclar el exceso de hidrógeno de corrientes de purga de procesos en la producción de ácido terftálico de alta pureza, comprendiendo la hidrogenación catalítica de ácido tereftálico impuro, que típicamente contiene 4-carboxibenzaldehído (4-CBA), cuerpos coloreados y otras impurezas, en disolución en una fase líquida acuosa a una temperatura y presión elevadas.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9714907.4A GB9714907D0 (en) | 1997-07-16 | 1997-07-16 | Production of aromatic carboxylic acids |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2177033T3 true ES2177033T3 (es) | 2002-12-01 |
Family
ID=10815897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES98936840T Expired - Lifetime ES2177033T3 (es) | 1997-07-16 | 1998-07-14 | Procedimiento mejorado para recuperar hidrogeno durante la produccion de acido tereftalico puro. |
Country Status (17)
Country | Link |
---|---|
EP (1) | EP1001926B1 (es) |
KR (1) | KR100514571B1 (es) |
CN (1) | CN1093114C (es) |
AR (1) | AR016352A1 (es) |
AU (1) | AU8569998A (es) |
BR (1) | BR9810707B1 (es) |
CA (1) | CA2291445C (es) |
CO (1) | CO5040110A1 (es) |
DE (1) | DE69806014T2 (es) |
ES (1) | ES2177033T3 (es) |
GB (1) | GB9714907D0 (es) |
ID (1) | ID24235A (es) |
MY (1) | MY150524A (es) |
TR (1) | TR200000080T2 (es) |
TW (1) | TW513404B (es) |
WO (1) | WO1999003812A1 (es) |
ZA (1) | ZA986325B (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100445352B1 (ko) * | 1997-04-16 | 2004-11-03 | 주식회사 삼양사 | 테레프탈산제조공정에서발생하는폐기물에서고순도벤조산의회수방법 |
KR100650536B1 (ko) * | 2003-12-19 | 2006-11-27 | 미쓰이 가가쿠 가부시키가이샤 | 테레프탈산의 제조 방법 |
CN101475462B (zh) * | 2008-12-04 | 2012-01-04 | 谭伟业 | 一种回收精苯二甲酸工厂排放气流中氢气的方法 |
CN101624343B (zh) * | 2009-08-13 | 2012-12-19 | 中国纺织工业设计院 | 精对苯二甲酸装置精制单元氢气回收方法及装置 |
CN102276448A (zh) * | 2011-06-14 | 2011-12-14 | 逸盛大化石化有限公司 | 一种pta生产装置中氢气回收方法 |
CN103121946B (zh) * | 2011-11-18 | 2015-02-11 | 中国石油化工股份有限公司 | 粗对苯二甲酸滤饼的洗涤方法 |
CN103121949B (zh) * | 2011-11-18 | 2015-11-18 | 中国石油化工股份有限公司 | 粗对苯二甲酸加氢处理方法 |
CN103130184B (zh) * | 2013-03-21 | 2015-09-30 | 大连凯信石化科技有限公司 | 一种pta装置精制单元泄放气综合利用的方法 |
CN108310909B (zh) * | 2017-01-17 | 2020-06-19 | 四川天采科技有限责任公司 | 一种含co的精对苯二甲酸尾气变压吸附提取h2的方法 |
CN113412840A (zh) * | 2021-03-22 | 2021-09-21 | 南通江山农药化工股份有限公司 | 一种除草组合物、制剂及其应用 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3584039A (en) * | 1967-08-30 | 1971-06-08 | Standard Oil Co | Fiber-grade terephthalic acid by catalytic hydrogen treatment of dissolved impure terephthalic acid |
US3639465A (en) * | 1968-06-18 | 1972-02-01 | Standard Oil Co | Purification of aromatic polycarboxylic acids by catalytic reduction using prehumidified hydrogen |
US5354898A (en) * | 1993-06-17 | 1994-10-11 | Amoco Corporation | Method for purifying crude aromatic carboxylic acids |
-
1997
- 1997-07-16 GB GBGB9714907.4A patent/GB9714907D0/en active Pending
-
1998
- 1998-07-14 ES ES98936840T patent/ES2177033T3/es not_active Expired - Lifetime
- 1998-07-14 CN CN98807220A patent/CN1093114C/zh not_active Expired - Lifetime
- 1998-07-14 TR TR2000/00080T patent/TR200000080T2/xx unknown
- 1998-07-14 WO PCT/US1998/014507 patent/WO1999003812A1/en active IP Right Grant
- 1998-07-14 EP EP98936840A patent/EP1001926B1/en not_active Expired - Lifetime
- 1998-07-14 ID IDW20000065A patent/ID24235A/id unknown
- 1998-07-14 CA CA002291445A patent/CA2291445C/en not_active Expired - Fee Related
- 1998-07-14 DE DE69806014T patent/DE69806014T2/de not_active Expired - Fee Related
- 1998-07-14 BR BRPI9810707-0A patent/BR9810707B1/pt not_active IP Right Cessation
- 1998-07-14 KR KR10-2000-7000482A patent/KR100514571B1/ko not_active IP Right Cessation
- 1998-07-14 AU AU85699/98A patent/AU8569998A/en not_active Abandoned
- 1998-07-15 MY MYPI9803224 patent/MY150524A/en unknown
- 1998-07-16 CO CO98040597A patent/CO5040110A1/es unknown
- 1998-07-16 ZA ZA9806325A patent/ZA986325B/xx unknown
- 1998-07-16 AR ARP980103487A patent/AR016352A1/es active IP Right Grant
- 1998-11-03 TW TW087118259A patent/TW513404B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69806014D1 (de) | 2002-07-18 |
CA2291445C (en) | 2007-02-20 |
CA2291445A1 (en) | 1999-01-28 |
CN1093114C (zh) | 2002-10-23 |
TW513404B (en) | 2002-12-11 |
CN1264360A (zh) | 2000-08-23 |
GB9714907D0 (en) | 1997-09-17 |
MY150524A (en) | 2014-01-30 |
EP1001926A1 (en) | 2000-05-24 |
DE69806014T2 (de) | 2003-01-30 |
TR200000080T2 (tr) | 2000-05-22 |
ZA986325B (en) | 2000-01-17 |
KR100514571B1 (ko) | 2005-09-14 |
ID24235A (id) | 2000-07-13 |
KR20010021918A (ko) | 2001-03-15 |
EP1001926B1 (en) | 2002-06-12 |
AR016352A1 (es) | 2001-07-04 |
WO1999003812A1 (en) | 1999-01-28 |
CO5040110A1 (es) | 2001-05-29 |
BR9810707A (pt) | 2000-08-08 |
AU8569998A (en) | 1999-02-10 |
BR9810707B1 (pt) | 2009-05-05 |
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