ZA986325B - Process for recovering hydrogen in producing pure terephthalic acid. - Google Patents

Process for recovering hydrogen in producing pure terephthalic acid.

Info

Publication number
ZA986325B
ZA986325B ZA9806325A ZA986325A ZA986325B ZA 986325 B ZA986325 B ZA 986325B ZA 9806325 A ZA9806325 A ZA 9806325A ZA 986325 A ZA986325 A ZA 986325A ZA 986325 B ZA986325 B ZA 986325B
Authority
ZA
South Africa
Prior art keywords
terephthalic acid
producing pure
recovering hydrogen
pure terephthalic
recovering
Prior art date
Application number
ZA9806325A
Other languages
English (en)
Inventor
David Parker
Fiona Mary Cambell
Andrew Harrison
Original Assignee
Du Pont
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Publication of ZA986325B publication Critical patent/ZA986325B/xx

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)
ZA9806325A 1997-07-16 1998-07-16 Process for recovering hydrogen in producing pure terephthalic acid. ZA986325B (en)

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
ZA986325B true ZA986325B (en) 2000-01-17

Family

ID=10815897

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9806325A ZA986325B (en) 1997-07-16 1998-07-16 Process for recovering hydrogen in producing pure terephthalic acid.

Country Status (17)

Country Link
EP (1) EP1001926B1 (xx)
KR (1) KR100514571B1 (xx)
CN (1) CN1093114C (xx)
AR (1) AR016352A1 (xx)
AU (1) AU8569998A (xx)
BR (1) BR9810707B1 (xx)
CA (1) CA2291445C (xx)
CO (1) CO5040110A1 (xx)
DE (1) DE69806014T2 (xx)
ES (1) ES2177033T3 (xx)
GB (1) GB9714907D0 (xx)
ID (1) ID24235A (xx)
MY (1) MY150524A (xx)
TR (1) TR200000080T2 (xx)
TW (1) TW513404B (xx)
WO (1) WO1999003812A1 (xx)
ZA (1) ZA986325B (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CO5040110A1 (es) 2001-05-29
EP1001926A1 (en) 2000-05-24
EP1001926B1 (en) 2002-06-12
TR200000080T2 (tr) 2000-05-22
CN1093114C (zh) 2002-10-23
TW513404B (en) 2002-12-11
CN1264360A (zh) 2000-08-23
BR9810707B1 (pt) 2009-05-05
KR20010021918A (ko) 2001-03-15
WO1999003812A1 (en) 1999-01-28
CA2291445A1 (en) 1999-01-28
MY150524A (en) 2014-01-30
CA2291445C (en) 2007-02-20
DE69806014T2 (de) 2003-01-30
GB9714907D0 (en) 1997-09-17
AU8569998A (en) 1999-02-10
ID24235A (id) 2000-07-13
ES2177033T3 (es) 2002-12-01
BR9810707A (pt) 2000-08-08
KR100514571B1 (ko) 2005-09-14
DE69806014D1 (de) 2002-07-18
AR016352A1 (es) 2001-07-04

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