CN112679362B - 一种制备2,4-二硝基氯苯产生酸相的萃取系统及工艺 - Google Patents
一种制备2,4-二硝基氯苯产生酸相的萃取系统及工艺 Download PDFInfo
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- CN112679362B CN112679362B CN202011622568.9A CN202011622568A CN112679362B CN 112679362 B CN112679362 B CN 112679362B CN 202011622568 A CN202011622568 A CN 202011622568A CN 112679362 B CN112679362 B CN 112679362B
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- 238000000605 extraction Methods 0.000 title claims abstract description 155
- 239000002253 acid Substances 0.000 title claims abstract description 147
- VYZAHLCBVHPDDF-UHFFFAOYSA-N Dinitrochlorobenzene Chemical compound [O-][N+](=O)C1=CC=C(Cl)C([N+]([O-])=O)=C1 VYZAHLCBVHPDDF-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims abstract description 129
- 239000012071 phase Substances 0.000 claims abstract description 84
- 239000002699 waste material Substances 0.000 claims abstract description 52
- 239000012074 organic phase Substances 0.000 claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 238000006396 nitration reaction Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 230000032683 aging Effects 0.000 claims description 8
- 230000035800 maturation Effects 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract description 25
- 229910017604 nitric acid Inorganic materials 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 7
- 238000003860 storage Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 238000005191 phase separation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- BFCFYVKQTRLZHA-UHFFFAOYSA-N 1-chloro-2-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1Cl BFCFYVKQTRLZHA-UHFFFAOYSA-N 0.000 description 2
- CZGCEKJOLUNIFY-UHFFFAOYSA-N 4-Chloronitrobenzene Chemical compound [O-][N+](=O)C1=CC=C(Cl)C=C1 CZGCEKJOLUNIFY-UHFFFAOYSA-N 0.000 description 2
- 239000012847 fine chemical Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- LXQOQPGNCGEELI-UHFFFAOYSA-N 2,4-dinitroaniline Chemical compound NC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O LXQOQPGNCGEELI-UHFFFAOYSA-N 0.000 description 1
- UFBJCMHMOXMLKC-UHFFFAOYSA-N 2,4-dinitrophenol Chemical compound OC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O UFBJCMHMOXMLKC-UHFFFAOYSA-N 0.000 description 1
- BPPMIQPXQVIZNJ-UHFFFAOYSA-N 2-chloro-1,3-dinitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC([N+]([O-])=O)=C1Cl BPPMIQPXQVIZNJ-UHFFFAOYSA-N 0.000 description 1
- LHRIICYSGQGXSX-UHFFFAOYSA-N 2-chloro-4,6-dinitroaniline Chemical compound NC1=C(Cl)C=C([N+]([O-])=O)C=C1[N+]([O-])=O LHRIICYSGQGXSX-UHFFFAOYSA-N 0.000 description 1
- ZWUBBMDHSZDNTA-UHFFFAOYSA-N 4-Chloro-meta-phenylenediamine Chemical compound NC1=CC=C(Cl)C(N)=C1 ZWUBBMDHSZDNTA-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- XIWMTQIUUWJNRP-UHFFFAOYSA-N amidol Chemical compound NC1=CC=C(O)C(N)=C1 XIWMTQIUUWJNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 229940117389 dichlorobenzene Drugs 0.000 description 1
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- 230000002708 enhancing effect Effects 0.000 description 1
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Abstract
Description
序号 | 设备名称 | 设备位号 | 数量/台 |
1 | 萃取反应器 | M101A/B/C/D | 4 |
2 | 氯苯计量泵 | P101A/B | 2 |
3 | 酸相计量泵 | P102 | 1 |
4 | 氯苯储罐 | V101 | 1 |
5 | 酸相储罐 | V102 | 1 |
6 | 废酸接收罐 | V103 | 1 |
7 | 有机相接收罐 | V104 | 1 |
物料名称 | 硝酸/% | 24DNC% | 26DNC% | 4MNC% | 有机物/% |
酸相 | 2 | 6.83 | 0.23 | 0.38 | 7.44 |
废酸3 | 0.88 | 1.26 | 0.04 | 0.12 | 1.42 |
废酸4 | 0.10 | 0.18 | 0 | 0 | 0.18 |
Claims (8)
Priority Applications (1)
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CN202011622568.9A CN112679362B (zh) | 2020-12-30 | 2020-12-30 | 一种制备2,4-二硝基氯苯产生酸相的萃取系统及工艺 |
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CN202011622568.9A CN112679362B (zh) | 2020-12-30 | 2020-12-30 | 一种制备2,4-二硝基氯苯产生酸相的萃取系统及工艺 |
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CN112679362B true CN112679362B (zh) | 2022-03-22 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1951802A (zh) * | 2005-10-18 | 2007-04-25 | 约瑟夫·迈斯纳两合公司 | 从硝化过程中回收硝化用酸混合物 |
CN102070457A (zh) * | 2011-02-15 | 2011-05-25 | 河南洛染股份有限公司 | 一种连续制备二硝基氯苯的方法 |
WO2015125095A1 (en) * | 2014-02-20 | 2015-08-27 | Reliance Industries Limited | Process for oxidation of alkyl aromatic compound to aromatic carboxylic acid |
CN107226775A (zh) * | 2016-03-24 | 2017-10-03 | 中国石油化工股份有限公司 | 连续流微管反应器中合成4-氯-3,5-二甲基苯酚的方法 |
CN108721942A (zh) * | 2018-06-04 | 2018-11-02 | 甘肃泓旭化工科技有限责任公司 | 一种液相混合物的连续逆流萃洗反应工艺及应用 |
CN111559737A (zh) * | 2020-05-27 | 2020-08-21 | 河南洛染股份有限公司 | 一种硝化废酸连续萃取的方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104045563A (zh) * | 2014-06-03 | 2014-09-17 | 安徽华润涂料有限公司 | 一种高纯度2,4-二硝基氯苯的生产方法 |
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2020
- 2020-12-30 CN CN202011622568.9A patent/CN112679362B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1951802A (zh) * | 2005-10-18 | 2007-04-25 | 约瑟夫·迈斯纳两合公司 | 从硝化过程中回收硝化用酸混合物 |
CN102070457A (zh) * | 2011-02-15 | 2011-05-25 | 河南洛染股份有限公司 | 一种连续制备二硝基氯苯的方法 |
WO2015125095A1 (en) * | 2014-02-20 | 2015-08-27 | Reliance Industries Limited | Process for oxidation of alkyl aromatic compound to aromatic carboxylic acid |
CN107226775A (zh) * | 2016-03-24 | 2017-10-03 | 中国石油化工股份有限公司 | 连续流微管反应器中合成4-氯-3,5-二甲基苯酚的方法 |
CN108721942A (zh) * | 2018-06-04 | 2018-11-02 | 甘肃泓旭化工科技有限责任公司 | 一种液相混合物的连续逆流萃洗反应工艺及应用 |
CN111559737A (zh) * | 2020-05-27 | 2020-08-21 | 河南洛染股份有限公司 | 一种硝化废酸连续萃取的方法 |
Non-Patent Citations (1)
Title |
---|
萃取法处理模拟含硝酸废水的应用基础研究;张恒;《中国优秀硕士学位论文全文数据库(电子期刊)工程科技I辑》;20200815;第B027-771页 * |
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