CN100460400C - 偏苯三甲酸连续成酐精制生产高纯度偏苯三酸酐的方法 - Google Patents
偏苯三甲酸连续成酐精制生产高纯度偏苯三酸酐的方法 Download PDFInfo
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- CN100460400C CN100460400C CNB2006100861237A CN200610086123A CN100460400C CN 100460400 C CN100460400 C CN 100460400C CN B2006100861237 A CNB2006100861237 A CN B2006100861237A CN 200610086123 A CN200610086123 A CN 200610086123A CN 100460400 C CN100460400 C CN 100460400C
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- anhydride
- trimellitic acid
- acid
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Abstract
Description
质量指标 | 多塔连续化方法 | 现有间歇方法 |
偏酐含量% | ≥99.5 | 95~98 |
偏酐熔点℃ | ≥167 | 162~165 |
色度 | ≤50# | 90#~170# |
质量稳定性 | 稳定 | 不稳定 |
项目 | 连续化方法 | 现有间歇方法 |
偏苯三甲酸(吨/吨产品) | 1.15~1.21 | 1.28~1.57 |
煤(吨/吨产品) | 1.5~2.0 | 3~6 |
电(千瓦时/吨产品) | ≤200 | 200 |
产品收率%(mol/m0l) | 90~95 | 70~85 |
项目 | 整体连续化方法 | 现有间歇方法 |
偏三甲苯 (吨/吨产品) | 0.74~0.80 | 0.95~1.05 |
醋酸 (吨/吨产品) | 0.1~0.2 | 0.3~0.4 |
醋酸钴 (公斤/吨产品) | 2.0~5.0 | 6.0~10 |
醋酸锰 (公斤/吨产品) | 2.0~5.0 | 6.0~10 |
四溴乙烷 (公斤/吨产品) | 2.0~6.0 | 6.0~10 |
煤 (吨/吨产品) | 2~3 | 4~8 |
电 (千瓦时/吨产品) | ≤1100 | 1500~2300 |
产蒸气 (吨/吨产品) | 4~5(0.4~0.5MPa) | 0 |
产品收率%(mol/mol) | 80~85 | 50~65 |
Claims (9)
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CNB2006100861237A CN100460400C (zh) | 2006-08-31 | 2006-08-31 | 偏苯三甲酸连续成酐精制生产高纯度偏苯三酸酐的方法 |
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CNB2006100861237A CN100460400C (zh) | 2006-08-31 | 2006-08-31 | 偏苯三甲酸连续成酐精制生产高纯度偏苯三酸酐的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1931850A CN1931850A (zh) | 2007-03-21 |
CN100460400C true CN100460400C (zh) | 2009-02-11 |
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CNB2006100861237A Active CN100460400C (zh) | 2006-08-31 | 2006-08-31 | 偏苯三甲酸连续成酐精制生产高纯度偏苯三酸酐的方法 |
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CN (1) | CN100460400C (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102512842B (zh) * | 2011-12-16 | 2013-03-27 | 无锡百川化工股份有限公司 | 一种降低偏苯三酸酐中杂质含量的连续运作设备和方法 |
CN110818559A (zh) * | 2019-11-26 | 2020-02-21 | 南通百川新材料有限公司 | 一种偏苯三酸酐精馏母液残渣的回收利用方法 |
CN111004374B (zh) * | 2019-11-26 | 2021-09-24 | 南通百川新材料有限公司 | 一种基于偏苯三酸酐精馏重质残液制备醇酸树脂的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4788296A (en) * | 1987-05-29 | 1988-11-29 | Amoco Corporation | Process for the production and recovery of trimellitic anhydride |
US4797497A (en) * | 1988-02-25 | 1989-01-10 | Amoco Corporation | Trimellitic anhydride purification process |
US4948921A (en) * | 1989-06-29 | 1990-08-14 | Amoco Corporation | Process for the production and recovery of trimellitic acid |
US5124461A (en) * | 1989-08-22 | 1992-06-23 | Amoco Corporation | Process for the production of trimellitic anhydride with improved color |
-
2006
- 2006-08-31 CN CNB2006100861237A patent/CN100460400C/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4788296A (en) * | 1987-05-29 | 1988-11-29 | Amoco Corporation | Process for the production and recovery of trimellitic anhydride |
US4797497A (en) * | 1988-02-25 | 1989-01-10 | Amoco Corporation | Trimellitic anhydride purification process |
US4948921A (en) * | 1989-06-29 | 1990-08-14 | Amoco Corporation | Process for the production and recovery of trimellitic acid |
US5124461A (en) * | 1989-08-22 | 1992-06-23 | Amoco Corporation | Process for the production of trimellitic anhydride with improved color |
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CN1931850A (zh) | 2007-03-21 |
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Address after: 226200 Changjiang Town, Rugao City, Rugao, Nantong, Jiangsu, No. 6, Xiangjiang Road Co-patentee after: Jiangsu hundred Sichuan high science and technology new materials Limited by Share Ltd Patentee after: Nantong hundred Sichuan new materials Co., Ltd. Address before: 226532 No. 6 Xiangjiang Road, Changjiang town (Rugao port area), Rugao, Jiangsu. Co-patentee before: Wuxi Baichuan Chemical Industrial Co., Ltd. Patentee before: Baichuan Chemical (Rugao) Co., Ltd. |