CN103395746B - 3,4-二氯硝基苯生产中副产品盐酸的提纯方法 - Google Patents
3,4-二氯硝基苯生产中副产品盐酸的提纯方法 Download PDFInfo
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- CN103395746B CN103395746B CN201310349214.5A CN201310349214A CN103395746B CN 103395746 B CN103395746 B CN 103395746B CN 201310349214 A CN201310349214 A CN 201310349214A CN 103395746 B CN103395746 B CN 103395746B
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- hydrochloric acid
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- tank
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000006227 byproduct Substances 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- NTBYINQTYWZXLH-UHFFFAOYSA-N 1,2-dichloro-4-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=C(Cl)C(Cl)=C1 NTBYINQTYWZXLH-UHFFFAOYSA-N 0.000 title claims abstract description 7
- 238000000605 extraction Methods 0.000 claims abstract description 52
- 239000011347 resin Substances 0.000 claims abstract description 44
- 229920005989 resin Polymers 0.000 claims abstract description 44
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 19
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims abstract description 13
- CZGCEKJOLUNIFY-UHFFFAOYSA-N 4-Chloronitrobenzene Chemical compound [O-][N+](=O)C1=CC=C(Cl)C=C1 CZGCEKJOLUNIFY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 239000003350 kerosene Substances 0.000 claims abstract description 9
- -1 iron ions Chemical class 0.000 claims abstract description 8
- 239000000047 product Substances 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims abstract description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 238000001556 precipitation Methods 0.000 claims description 11
- 238000005189 flocculation Methods 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- CMVQZRLQEOAYSW-UHFFFAOYSA-N 1,2-dichloro-3-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC(Cl)=C1Cl CMVQZRLQEOAYSW-UHFFFAOYSA-N 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 238000002386 leaching Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 39
- 239000000243 solution Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000008367 deionised water Substances 0.000 description 7
- 229910021641 deionized water Inorganic materials 0.000 description 7
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- 230000016615 flocculation Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000000274 adsorptive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- BFCFYVKQTRLZHA-UHFFFAOYSA-N 1-chloro-2-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1Cl BFCFYVKQTRLZHA-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
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Priority Applications (1)
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CN201310349214.5A CN103395746B (zh) | 2013-08-13 | 2013-08-13 | 3,4-二氯硝基苯生产中副产品盐酸的提纯方法 |
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CN201310349214.5A CN103395746B (zh) | 2013-08-13 | 2013-08-13 | 3,4-二氯硝基苯生产中副产品盐酸的提纯方法 |
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CN103395746A CN103395746A (zh) | 2013-11-20 |
CN103395746B true CN103395746B (zh) | 2015-04-01 |
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Families Citing this family (2)
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CN105174218A (zh) * | 2015-10-09 | 2015-12-23 | 天津大学 | 用于从含盐酸废水中回收盐酸的萃取方法 |
CN107879313A (zh) * | 2017-11-21 | 2018-04-06 | 南京钟腾化工有限公司 | 一种甲苯或氯甲苯氯化生产过程中副产盐酸的处理方法及系统 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0169268A2 (de) * | 1984-07-17 | 1986-01-29 | Karl Kässbohrer Fahrzeugwerke GmbH | Zu einer Laderampe verschwenkbarer Unterfahrschutz |
CN102616743A (zh) * | 2012-03-29 | 2012-08-01 | 常熟市新港农产品产销有限公司 | 一种稀有金属提取过程中产生的盐酸废液的处理回用工艺 |
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2013
- 2013-08-13 CN CN201310349214.5A patent/CN103395746B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0169268A2 (de) * | 1984-07-17 | 1986-01-29 | Karl Kässbohrer Fahrzeugwerke GmbH | Zu einer Laderampe verschwenkbarer Unterfahrschutz |
CN102616743A (zh) * | 2012-03-29 | 2012-08-01 | 常熟市新港农产品产销有限公司 | 一种稀有金属提取过程中产生的盐酸废液的处理回用工艺 |
Non-Patent Citations (1)
Title |
---|
络合萃取法处理对硝基苯酚生产废水;魏凤玉;《工业用水与废水》;19991231;第30卷(第4期);18-19 * |
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