CN103739625A - 甘氨酸法制备草甘膦的连续水解工艺 - Google Patents
甘氨酸法制备草甘膦的连续水解工艺 Download PDFInfo
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- CN103739625A CN103739625A CN201410030429.5A CN201410030429A CN103739625A CN 103739625 A CN103739625 A CN 103739625A CN 201410030429 A CN201410030429 A CN 201410030429A CN 103739625 A CN103739625 A CN 103739625A
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- hydrolysis
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- 238000006460 hydrolysis reaction Methods 0.000 title claims abstract description 121
- 230000007062 hydrolysis Effects 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 71
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000005562 Glyphosate Substances 0.000 title claims abstract description 54
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 229940097068 glyphosate Drugs 0.000 title claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 239000004471 Glycine Substances 0.000 title abstract description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 167
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 239000002253 acid Substances 0.000 claims abstract description 41
- 238000002425 crystallisation Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000006482 condensation reaction Methods 0.000 claims abstract description 23
- 230000008025 crystallization Effects 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 238000013019 agitation Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 44
- 238000011084 recovery Methods 0.000 claims description 39
- 238000005516 engineering process Methods 0.000 claims description 31
- 238000004821 distillation Methods 0.000 claims description 30
- 239000012295 chemical reaction liquid Substances 0.000 claims description 16
- 238000006386 neutralization reaction Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 15
- 238000009833 condensation Methods 0.000 claims description 13
- 230000005494 condensation Effects 0.000 claims description 13
- 238000007701 flash-distillation Methods 0.000 claims description 13
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 5
- 229940050176 methyl chloride Drugs 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 5
- 238000013022 venting Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 5
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 230000003472 neutralizing effect Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 23
- 238000007086 side reaction Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 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
- 238000010992 reflux Methods 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 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
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000010944 pre-mature reactiony Methods 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
Description
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Priority Applications (1)
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CN201410030429.5A CN103739625B (zh) | 2014-01-23 | 2014-01-23 | 甘氨酸法制备草甘膦的连续水解工艺 |
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CN201410030429.5A CN103739625B (zh) | 2014-01-23 | 2014-01-23 | 甘氨酸法制备草甘膦的连续水解工艺 |
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CN103739625A true CN103739625A (zh) | 2014-04-23 |
CN103739625B CN103739625B (zh) | 2017-01-11 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105732336A (zh) * | 2016-03-19 | 2016-07-06 | 安徽东至广信农化有限公司 | 一种回收草甘膦副产物甲缩醛的方法 |
CN105820186A (zh) * | 2016-03-19 | 2016-08-03 | 安徽东至广信农化有限公司 | 一种草甘膦生产连续水解蒸汽冷凝水回收方法 |
Citations (3)
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 |
CN103288595A (zh) * | 2013-06-08 | 2013-09-11 | 湖北泰盛化工有限公司 | 一种草甘膦原料甲醇的回收方法及装置 |
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2014
- 2014-01-23 CN CN201410030429.5A patent/CN103739625B/zh active Active
Patent Citations (3)
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 |
CN103288595A (zh) * | 2013-06-08 | 2013-09-11 | 湖北泰盛化工有限公司 | 一种草甘膦原料甲醇的回收方法及装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105732336A (zh) * | 2016-03-19 | 2016-07-06 | 安徽东至广信农化有限公司 | 一种回收草甘膦副产物甲缩醛的方法 |
CN105820186A (zh) * | 2016-03-19 | 2016-08-03 | 安徽东至广信农化有限公司 | 一种草甘膦生产连续水解蒸汽冷凝水回收方法 |
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Denomination of invention: Continuous hydrolysis process 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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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Continuous hydrolysis 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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PC01 | Cancellation of the registration of the contract for pledge of patent right |
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 |