IT1125526B - Procedimento per preparare acido tereftalico - Google Patents
Procedimento per preparare acido tereftalicoInfo
- Publication number
- IT1125526B IT1125526B IT26657/79A IT2665779A IT1125526B IT 1125526 B IT1125526 B IT 1125526B IT 26657/79 A IT26657/79 A IT 26657/79A IT 2665779 A IT2665779 A IT 2665779A IT 1125526 B IT1125526 B IT 1125526B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- terephthalic acid
- preparing terephthalic
- preparing
- acid
- Prior art date
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
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12870978A JPS5555138A (en) | 1978-10-19 | 1978-10-19 | Preparation of highly pure terephthalic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7926657A0 IT7926657A0 (it) | 1979-10-19 |
IT1125526B true IT1125526B (it) | 1986-05-14 |
Family
ID=14991482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26657/79A IT1125526B (it) | 1978-10-19 | 1979-10-19 | Procedimento per preparare acido tereftalico |
Country Status (11)
Country | Link |
---|---|
US (1) | US4286101A (it) |
JP (1) | JPS5555138A (it) |
BE (1) | BE879530A (it) |
BR (1) | BR7906733A (it) |
CA (1) | CA1134856A (it) |
DE (1) | DE2942375C2 (it) |
FR (1) | FR2439178B1 (it) |
GB (1) | GB2032920B (it) |
IT (1) | IT1125526B (it) |
NL (1) | NL7907615A (it) |
PT (1) | PT70326A (it) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57188543A (en) * | 1981-05-13 | 1982-11-19 | Mitsubishi Chem Ind Ltd | Preparation of terephthalic acid |
JPS59104345A (ja) * | 1982-12-03 | 1984-06-16 | Kuraray Yuka Kk | 直接重合用に適したテレフタル酸の製造方法 |
JPS59106435A (ja) * | 1982-12-10 | 1984-06-20 | Mitsubishi Chem Ind Ltd | 高純度テレフタル酸の製法 |
DE68915706T2 (de) * | 1988-03-25 | 1994-12-22 | Amoco Corp | Dichtung für eine rotierende achse. |
JP2504545B2 (ja) * | 1988-11-15 | 1996-06-05 | 三菱化学株式会社 | テレフタル酸の製造法 |
KR970000136B1 (ko) * | 1993-09-28 | 1997-01-04 | 브이.피. 유리예프 | 고순도 벤젠디카르복실산 이성질체의 제조방법 |
US5936041A (en) * | 1994-06-17 | 1999-08-10 | Exxon Chemical Patents Inc | Dispersant additives and process |
US5767311A (en) * | 1995-06-07 | 1998-06-16 | Glitsch International, Inc. | Method and apparatus for preparing purified terephtalic acid |
US6054610A (en) * | 1995-06-07 | 2000-04-25 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes |
US5929274A (en) * | 1995-06-07 | 1999-07-27 | Hfm International, Inc. | Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid |
US6013835A (en) * | 1995-06-07 | 2000-01-11 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
DE10040827A1 (de) | 2000-08-21 | 2002-03-07 | Basf Ag | Verfahren zur Herstellung von Phthalsäureanhydrid |
US20050283022A1 (en) * | 2004-06-18 | 2005-12-22 | Sheppard Ronald B | Filtrate preparation process for terephthalic acid filtrate treatment |
ATE473958T1 (de) | 2005-03-21 | 2010-07-15 | Bp Corp North America Inc | Verfahren und vorrichtung zur herstellung aromatischer carboxyl-säuren einschliesslich reiner formen davon |
US7897809B2 (en) * | 2005-05-19 | 2011-03-01 | Eastman Chemical Company | Process to produce an enrichment feed |
US7919652B2 (en) | 2005-05-19 | 2011-04-05 | Eastman Chemical Company | Process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone |
US7432395B2 (en) * | 2005-05-19 | 2008-10-07 | Eastman Chemical Company | Enriched carboxylic acid composition |
US7304178B2 (en) * | 2005-05-19 | 2007-12-04 | Eastman Chemical Company | Enriched isophthalic acid composition |
US7884231B2 (en) * | 2005-05-19 | 2011-02-08 | Eastman Chemical Company | Process to produce an enriched composition |
US7880031B2 (en) * | 2005-05-19 | 2011-02-01 | Eastman Chemical Company | Process to produce an enrichment feed |
US20060264664A1 (en) * | 2005-05-19 | 2006-11-23 | Parker Kenny R | Esterification of an exchange solvent enriched composition |
US20060264662A1 (en) * | 2005-05-19 | 2006-11-23 | Gibson Philip E | Esterification of an enriched composition |
US7834208B2 (en) * | 2005-05-19 | 2010-11-16 | Eastman Chemical Company | Process to produce a post catalyst removal composition |
US7741516B2 (en) * | 2005-05-19 | 2010-06-22 | Eastman Chemical Company | Process to enrich a carboxylic acid composition |
US7557243B2 (en) | 2005-05-19 | 2009-07-07 | Eastman Chemical Company | Enriched terephthalic acid composition |
US20060264656A1 (en) * | 2005-05-19 | 2006-11-23 | Fujitsu Limited | Enrichment process using compounds useful in a polyester process |
US20070179312A1 (en) * | 2006-02-02 | 2007-08-02 | O'meadhra Ruairi Seosamh | Process for the purification of a crude carboxylic axid slurry |
US7816556B2 (en) * | 2006-03-01 | 2010-10-19 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced multistage oxidative digestion |
US7888529B2 (en) * | 2006-03-01 | 2011-02-15 | Eastman Chemical Company | Process to produce a post catalyst removal composition |
US7393973B2 (en) | 2006-03-01 | 2008-07-01 | Eastman Chemical Company | Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion |
US20070208194A1 (en) | 2006-03-01 | 2007-09-06 | Woodruff Thomas E | Oxidation system with sidedraw secondary reactor |
US7420082B2 (en) * | 2006-03-01 | 2008-09-02 | Eastman Chemical Company | Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion |
US7326807B2 (en) | 2006-03-01 | 2008-02-05 | Eastman Chemical Company | Polycarboxylic acid production system with enhanced heating for oxidative digestion |
US7772424B2 (en) | 2006-03-01 | 2010-08-10 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced evaporative concentration downstream of oxidative digestion |
US7501537B2 (en) | 2006-03-01 | 2009-03-10 | Eastman Chemical Company | Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchange |
US7326808B2 (en) | 2006-03-01 | 2008-02-05 | Eastman Chemical Company | Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system |
US8455680B2 (en) | 2008-01-15 | 2013-06-04 | Eastman Chemical Company | Carboxylic acid production process employing solvent from esterification of lignocellulosic material |
US8614350B2 (en) | 2008-01-15 | 2013-12-24 | Eastman Chemical Company | Carboxylic acid production process employing solvent from esterification of lignocellulosic material |
CN101531588B (zh) * | 2008-03-13 | 2016-02-24 | 周向进 | 一种新的精对苯二甲酸的制造方法 |
CN105829277B (zh) | 2013-12-18 | 2020-01-17 | Bp北美公司 | 制造芳族羧酸的改进的工艺和设备 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3092658A (en) * | 1957-08-12 | 1963-06-04 | Standard Oil Co | Continuous system for oxidizing substituted aromatic hydrocarbons and producing carboxylic acids |
US3089907A (en) * | 1958-04-21 | 1963-05-14 | Mid Century Corp | Pressure controlled liquid phase oxidation process for aromatic acid production |
FR1272209A (fr) * | 1960-10-14 | 1961-09-22 | Standard Oil Co | Perfectionnements apportés à la production en continu d'acides carboxyliques par oxydation |
GB983677A (en) * | 1962-04-27 | 1965-02-17 | Mitsui Petrochemical Ind | A process for the preparation of terephthalic acid having extremely high purity |
JPS5518698B1 (it) * | 1971-04-03 | 1980-05-21 | ||
JPS5139642A (ja) * | 1974-09-30 | 1976-04-02 | Matsuyama Sekyu Kagaku Kk | Kojundoterefutarusanno renzokutekiseizohoho |
JPS5278846A (en) * | 1975-12-25 | 1977-07-02 | Matsuyama Sekyu Kagaku Kk | Continuous production of high purity telephthalic acid |
JPS5289637A (en) * | 1976-01-19 | 1977-07-27 | Mitsubishi Chem Ind Ltd | Preparation of terephthalic acid for direct polymerization |
PL102150B1 (pl) * | 1976-07-29 | 1979-03-31 | Inst Ciezkiej Syntezy Orga | A method oxidizing p-xylene and methyl p-toluylate |
JPS5949212B2 (ja) * | 1976-09-16 | 1984-12-01 | 三菱化学株式会社 | テレフタル酸の製造法 |
-
1978
- 1978-10-19 JP JP12870978A patent/JPS5555138A/ja active Granted
-
1979
- 1979-10-01 GB GB7934000A patent/GB2032920B/en not_active Expired
- 1979-10-12 US US06/084,153 patent/US4286101A/en not_active Expired - Lifetime
- 1979-10-15 NL NL7907615A patent/NL7907615A/nl not_active Application Discontinuation
- 1979-10-17 PT PT70326A patent/PT70326A/pt unknown
- 1979-10-18 FR FR7925951A patent/FR2439178B1/fr not_active Expired
- 1979-10-18 BR BR7906733A patent/BR7906733A/pt not_active IP Right Cessation
- 1979-10-19 IT IT26657/79A patent/IT1125526B/it active
- 1979-10-19 DE DE2942375A patent/DE2942375C2/de not_active Expired
- 1979-10-19 BE BE0/197739A patent/BE879530A/fr not_active IP Right Cessation
- 1979-10-19 CA CA000338017A patent/CA1134856A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1134856A (en) | 1982-11-02 |
BE879530A (fr) | 1980-04-21 |
GB2032920B (en) | 1983-01-12 |
IT7926657A0 (it) | 1979-10-19 |
BR7906733A (pt) | 1980-07-15 |
DE2942375A1 (de) | 1980-04-30 |
FR2439178B1 (fr) | 1985-09-27 |
US4286101A (en) | 1981-08-25 |
NL7907615A (nl) | 1980-04-22 |
FR2439178A1 (fr) | 1980-05-16 |
PT70326A (en) | 1979-11-01 |
JPS5555138A (en) | 1980-04-22 |
JPS6247864B2 (it) | 1987-10-09 |
GB2032920A (en) | 1980-05-14 |
DE2942375C2 (de) | 1984-01-12 |
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Legal Events
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TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971027 |