CN102351788B - 一种提取精制二氯吡啶酸的方法 - Google Patents
一种提取精制二氯吡啶酸的方法 Download PDFInfo
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- CN102351788B CN102351788B CN 201110229060 CN201110229060A CN102351788B CN 102351788 B CN102351788 B CN 102351788B CN 201110229060 CN201110229060 CN 201110229060 CN 201110229060 A CN201110229060 A CN 201110229060A CN 102351788 B CN102351788 B CN 102351788B
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- liquid
- clopyralid
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- HUBANNPOLNYSAD-UHFFFAOYSA-N clopyralid Chemical compound OC(=O)C1=NC(Cl)=CC=C1Cl HUBANNPOLNYSAD-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 57
- 239000005500 Clopyralid Substances 0.000 title claims abstract description 56
- 238000007670 refining Methods 0.000 title claims abstract description 29
- 239000012141 concentrate Substances 0.000 claims abstract description 40
- 239000012528 membrane Substances 0.000 claims abstract description 31
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 94
- 239000000243 solution Substances 0.000 claims description 78
- 239000002253 acid Substances 0.000 claims description 48
- MAKFMOSBBNKPMS-UHFFFAOYSA-N 2,3-dichloropyridine Chemical compound ClC1=CC=CN=C1Cl MAKFMOSBBNKPMS-UHFFFAOYSA-N 0.000 claims description 43
- 239000012452 mother liquor Substances 0.000 claims description 31
- 230000008719 thickening Effects 0.000 claims description 31
- 239000000047 product Substances 0.000 claims description 22
- 238000011084 recovery Methods 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 15
- 238000002425 crystallisation Methods 0.000 claims description 13
- 230000008025 crystallization Effects 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 11
- 238000010612 desalination reaction Methods 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 8
- 238000002203 pretreatment Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000004128 high performance liquid chromatography Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 5
- 239000002351 wastewater Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000004009 herbicide Substances 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 abstract description 2
- 230000002363 herbicidal effect Effects 0.000 abstract 1
- 238000001471 micro-filtration Methods 0.000 abstract 1
- 238000001308 synthesis method Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 35
- 239000012535 impurity Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000470 constituent Substances 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 238000007738 vacuum evaporation Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 2
- PVMNPAUTCMBOMO-UHFFFAOYSA-N 4-chloropyridine Chemical compound ClC1=CC=NC=C1 PVMNPAUTCMBOMO-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005363 electrowinning Methods 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000382 dechlorinating effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
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Abstract
Description
项目 | 母液含量 | 透过液Ⅰ | 浓缩液Ⅱ | 透过液Ⅱ | 浓缩液Ⅲ | 透过液Ⅲ | 浓缩液Ⅳ | 透过液Ⅳ | 成品含量 |
实施例1 | 4.8% | 4.8% | 14.5% | 0.61% | 1.2% | 0.1% | 0.5% | 0.021% | 97.5% |
实施例2 | 3.5% | 3.5% | 10.2% | 0.60% | 1.0% | 0.09% | 0.48% | 0.02% | 97.3% |
实施例3 | 5.5% | 5.5% | 16.2% | 0.65% | 1.4% | 0.11% | 0.45% | 0.022% | 97.5% |
实施例4 | 4.8% | 4.8% | 14.6% | 0.6% | 1.2% | 0.09% | 0.48% | 0.018% | 97.3% |
实施例5 | 4.7% | 4.7% | 14.5% | 0.6% | 1.35% | 0.09% | 0.42% | 0.02% | 97.5% |
实施例6 | 4.7% | 4.7% | 14.5 | 0.65% | 1.38% | 0.1% | 0.45% | 0.019% | 97.3% |
实施例7 | 4.9% | 4.9% | 14.6 | 0.64% | 1.4% | 0.1% | 0.46% | 0.019% | 97.6% |
实施例8 | 5.2% | 5.2% | 16.3 | 0.66% | 1.4% | 0.11% | 0.48% | 0.022% | 97.5% |
项目 | 母液 | 透过液Ⅰ | 浓缩液Ⅱ | 透过液Ⅱ | 浓缩液Ⅲ | 透过液Ⅲ | 浓缩液Ⅳ | 透过液Ⅳ |
实施例1 | 25000 | 25000 | 72000 | 5900 | 7000 | 850 | 4000 | 120 |
实施例2 | 28000 | 28000 | 79500 | 6800 | 7500 | 980 | 4200 | 150 |
实施例3 | 30000 | 30000 | 81000 | 7200 | 7800 | 1020 | 4500 | 180 |
实施例4 | 24024 | 24024 | 73000 | 5500 | 12000 | 800 | 3800 | 125 |
实施例5 | 25158 | 25158 | 72500 | 5800 | 13280 | 950 | 4200 | 140 |
实施例6 | 27000 | 27000 | 74000 | 6050 | 13800 | 1050 | 4500 | 145 |
实施例7 | 28060 | 28060 | 73800 | 7050 | 14020 | 1080 | 4590 | 148 |
实施例8 | 29080 | 29080 | 79000 | 7200 | 14300 | 1180 | 4800 | 160 |
Claims (10)
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CN 201110229060 CN102351788B (zh) | 2011-08-11 | 2011-08-11 | 一种提取精制二氯吡啶酸的方法 |
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CN 201110229060 CN102351788B (zh) | 2011-08-11 | 2011-08-11 | 一种提取精制二氯吡啶酸的方法 |
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CN102351788A CN102351788A (zh) | 2012-02-15 |
CN102351788B true CN102351788B (zh) | 2013-08-14 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104447529B (zh) * | 2014-11-25 | 2017-05-24 | 利尔化学股份有限公司 | 3,6‑二氯吡啶甲酸的提取纯化方法 |
CN105817149B (zh) * | 2016-05-26 | 2018-03-16 | 张玲 | 一种提浓3,6‑二氯吡啶甲酸渗透膜的制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101139318A (zh) * | 2007-08-23 | 2008-03-12 | 射阳黄海农药化工有限公司 | 低残留新型除草剂二氯吡啶酸的生产方法 |
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KR101086913B1 (ko) * | 2003-03-04 | 2011-11-29 | 다우 아그로사이언시즈 엘엘씨 | 6-클로로-2-트리클로로메틸피리딘의 기상 염소화에 의한3,6-디클로로-2-트리클로로메틸피리딘 제조 |
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CN101139318A (zh) * | 2007-08-23 | 2008-03-12 | 射阳黄海农药化工有限公司 | 低残留新型除草剂二氯吡啶酸的生产方法 |
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