CN105693500A - 一种从pta氧化残渣中回收苯甲酸和粗对苯二甲酸的方法 - Google Patents
一种从pta氧化残渣中回收苯甲酸和粗对苯二甲酸的方法 Download PDFInfo
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- CN105693500A CN105693500A CN201610028406.XA CN201610028406A CN105693500A CN 105693500 A CN105693500 A CN 105693500A CN 201610028406 A CN201610028406 A CN 201610028406A CN 105693500 A CN105693500 A CN 105693500A
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- Prior art keywords
- terephthalic acid
- crude terephthalic
- pta
- benzoic acid
- pta oxidation
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- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
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Priority Applications (1)
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CN201610028406.XA CN105693500B (zh) | 2016-01-18 | 2016-01-18 | 一种从pta氧化残渣中回收苯甲酸和粗对苯二甲酸的方法 |
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CN201610028406.XA CN105693500B (zh) | 2016-01-18 | 2016-01-18 | 一种从pta氧化残渣中回收苯甲酸和粗对苯二甲酸的方法 |
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CN105693500A true CN105693500A (zh) | 2016-06-22 |
CN105693500B CN105693500B (zh) | 2019-07-26 |
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CN201610028406.XA Active CN105693500B (zh) | 2016-01-18 | 2016-01-18 | 一种从pta氧化残渣中回收苯甲酸和粗对苯二甲酸的方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110105196A (zh) * | 2019-06-12 | 2019-08-09 | 北京中环膜材料科技有限公司 | 对苯二甲酸的回收方法 |
CN113387794A (zh) * | 2021-07-22 | 2021-09-14 | 常州德诚环境科技有限公司 | 一种回收pta氧化残渣中苯甲酸的方法 |
WO2021250685A1 (en) * | 2020-06-12 | 2021-12-16 | Suhas Dixit | Clog free condensation process for pet like polymer pyrolysis vapour |
CN116265044A (zh) * | 2021-12-16 | 2023-06-20 | 中国科学院大连化学物理研究所 | 一种处理对二甲苯液相氧化残渣的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4490297A (en) * | 1981-12-24 | 1984-12-25 | Dynamit Nobel Ag | Method for the recovery and reuse of cobalt and/or manganese components of catalysts |
CN101402564A (zh) * | 2008-05-15 | 2009-04-08 | 厦门海湾化工有限公司 | Pta生产中cta残渣的溶解处理方法 |
CN101503353A (zh) * | 2009-03-05 | 2009-08-12 | 浙江大学 | 碱减量废水回收粗对苯二甲酸的纯化工艺 |
CN103627904A (zh) * | 2013-11-29 | 2014-03-12 | 湖南邦普循环科技有限公司 | 一种从钴锰催化剂废料中回收钴锰的方法 |
-
2016
- 2016-01-18 CN CN201610028406.XA patent/CN105693500B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4490297A (en) * | 1981-12-24 | 1984-12-25 | Dynamit Nobel Ag | Method for the recovery and reuse of cobalt and/or manganese components of catalysts |
CN101402564A (zh) * | 2008-05-15 | 2009-04-08 | 厦门海湾化工有限公司 | Pta生产中cta残渣的溶解处理方法 |
CN101503353A (zh) * | 2009-03-05 | 2009-08-12 | 浙江大学 | 碱减量废水回收粗对苯二甲酸的纯化工艺 |
CN103627904A (zh) * | 2013-11-29 | 2014-03-12 | 湖南邦普循环科技有限公司 | 一种从钴锰催化剂废料中回收钴锰的方法 |
Non-Patent Citations (1)
Title |
---|
黄莹: "对苯二甲酸(TA)废渣的综合利用", 《山东环境》 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110105196A (zh) * | 2019-06-12 | 2019-08-09 | 北京中环膜材料科技有限公司 | 对苯二甲酸的回收方法 |
WO2021250685A1 (en) * | 2020-06-12 | 2021-12-16 | Suhas Dixit | Clog free condensation process for pet like polymer pyrolysis vapour |
CN113387794A (zh) * | 2021-07-22 | 2021-09-14 | 常州德诚环境科技有限公司 | 一种回收pta氧化残渣中苯甲酸的方法 |
CN113387794B (zh) * | 2021-07-22 | 2023-09-26 | 常州德诚环境科技有限公司 | 一种回收pta氧化残渣中苯甲酸的方法 |
CN116265044A (zh) * | 2021-12-16 | 2023-06-20 | 中国科学院大连化学物理研究所 | 一种处理对二甲苯液相氧化残渣的方法 |
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