CN103788127B - 甘氨酸法制备草甘膦的连续水解*** - Google Patents
甘氨酸法制备草甘膦的连续水解*** Download PDFInfo
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- CN103788127B CN103788127B CN201410030934.XA CN201410030934A CN103788127B CN 103788127 B CN103788127 B CN 103788127B CN 201410030934 A CN201410030934 A CN 201410030934A CN 103788127 B CN103788127 B CN 103788127B
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- tower
- heat exchanger
- hydrolysis
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- recovery tower
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- 238000006460 hydrolysis reaction Methods 0.000 title claims abstract description 87
- 230000007062 hydrolysis Effects 0.000 title claims abstract description 84
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000005562 Glyphosate Substances 0.000 title claims abstract description 25
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229940097068 glyphosate Drugs 0.000 title claims abstract description 25
- 239000004471 Glycine Substances 0.000 title abstract description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 144
- 239000007788 liquid Substances 0.000 claims abstract description 87
- 238000011084 recovery Methods 0.000 claims abstract description 45
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000009413 insulation Methods 0.000 claims abstract description 20
- 238000002425 crystallisation Methods 0.000 claims abstract description 18
- 230000008025 crystallization Effects 0.000 claims abstract description 17
- 238000004821 distillation Methods 0.000 claims description 31
- 238000002156 mixing Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical class ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 claims description 8
- 230000003068 static effect Effects 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 5
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 3
- 150000001241 acetals Chemical class 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 14
- 239000000463 material Substances 0.000 description 11
- 239000002253 acid Substances 0.000 description 9
- 230000003247 decreasing effect Effects 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000007086 side reaction Methods 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 238000006482 condensation reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000003301 hydrolyzing effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000009508 confectionery Nutrition 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 244000037671 genetically modified crops Species 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410030934.XA CN103788127B (zh) | 2014-01-23 | 2014-01-23 | 甘氨酸法制备草甘膦的连续水解*** |
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CN201410030934.XA CN103788127B (zh) | 2014-01-23 | 2014-01-23 | 甘氨酸法制备草甘膦的连续水解*** |
Publications (2)
Publication Number | Publication Date |
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CN103788127A CN103788127A (zh) | 2014-05-14 |
CN103788127B true CN103788127B (zh) | 2017-01-11 |
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CN201410030934.XA Active CN103788127B (zh) | 2014-01-23 | 2014-01-23 | 甘氨酸法制备草甘膦的连续水解*** |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106674273B (zh) * | 2016-12-02 | 2018-05-29 | 湖北泰盛化工有限公司 | 一种甘氨酸法生产草甘膦的水解装置 |
CN106699808B (zh) * | 2016-12-02 | 2018-05-29 | 湖北泰盛化工有限公司 | 一种甘氨酸法生产草甘膦的酸解和溶剂回收工艺及装置 |
CN110922426B (zh) * | 2019-11-22 | 2022-04-22 | 湖北泰盛化工有限公司 | 一种烷基酯法草甘膦连续化生产***及工艺 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101704843A (zh) * | 2009-04-27 | 2010-05-12 | 南通泰禾化工有限公司 | 草甘膦连续脱溶生产工艺 |
CN102503978A (zh) * | 2011-10-20 | 2012-06-20 | 四川省乐山市福华通达农药科技有限公司 | 一种草甘膦生产中水解前的加酸工艺 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005019230A2 (en) * | 2003-08-22 | 2005-03-03 | Monsanto Technology Llc | Process for the preparation of n-phosphono-methylglycine and derivatives thereof |
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- 2014-01-23 CN CN201410030934.XA patent/CN103788127B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101704843A (zh) * | 2009-04-27 | 2010-05-12 | 南通泰禾化工有限公司 | 草甘膦连续脱溶生产工艺 |
CN102503978A (zh) * | 2011-10-20 | 2012-06-20 | 四川省乐山市福华通达农药科技有限公司 | 一种草甘膦生产中水解前的加酸工艺 |
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Denomination of invention: Continuous hydrolysis system for preparing glyphosate by glycine method Effective date of registration: 20200617 Granted publication date: 20170111 Pledgee: Chengdu Branch of China CITIC Bank Co.,Ltd. Pledgor: Sichuan Leshan Fuhua Tongda Pesticide Technology Co.,Ltd. Registration number: Y2020510000069 |
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Date of cancellation: 20201125 Granted publication date: 20170111 Pledgee: Chengdu Branch of China CITIC Bank Co.,Ltd. Pledgor: Sichuan Leshan Fuhua Tongda Pesticide Technology Co.,Ltd. Registration number: Y2020510000069 |
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Denomination of invention: Continuous hydrolysis system for preparation of glyphosate by glycine method Effective date of registration: 20201203 Granted publication date: 20170111 Pledgee: Chengdu Branch of China CITIC Bank Co.,Ltd. Pledgor: Sichuan Leshan Fuhua Tongda Pesticide Technology Co.,Ltd. Registration number: Y2020510000109 |
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Address after: 614803 Jinsu Town, Wutongqiao District, Leshan City, Sichuan Province Patentee after: Fuhua Tongda Chemical Co.,Ltd. Address before: Wutongqiao Qiao Gou Zhen 614800 Sichuan city of Leshan Province Patentee before: Sichuan Leshan Fuhua Tongda Pesticide Technology Co.,Ltd. |
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Date of cancellation: 20230425 Granted publication date: 20170111 Pledgee: Chengdu Branch of China CITIC Bank Co.,Ltd. Pledgor: Sichuan Leshan Fuhua Tongda Pesticide Technology Co.,Ltd. Registration number: Y2020510000109 |
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