CN105800880A - Glyphosate production wastewater treatment technology - Google Patents
Glyphosate production wastewater treatment technology Download PDFInfo
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- CN105800880A CN105800880A CN201610316241.6A CN201610316241A CN105800880A CN 105800880 A CN105800880 A CN 105800880A CN 201610316241 A CN201610316241 A CN 201610316241A CN 105800880 A CN105800880 A CN 105800880A
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- waste water
- glyphosate
- production wastewater
- water
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- 239000005562 Glyphosate Substances 0.000 title claims abstract description 47
- 229940097068 glyphosate Drugs 0.000 title claims abstract description 47
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000004065 wastewater treatment Methods 0.000 title abstract description 6
- 239000002351 wastewater Substances 0.000 claims abstract description 76
- 238000000034 method Methods 0.000 claims abstract description 42
- 230000008569 process Effects 0.000 claims abstract description 26
- 238000005516 engineering process Methods 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 16
- 230000004044 response Effects 0.000 claims description 14
- 239000010802 sludge Substances 0.000 claims description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 238000005273 aeration Methods 0.000 claims description 12
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 230000001112 coagulating effect Effects 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 8
- 239000006228 supernatant Substances 0.000 claims description 8
- 206010002660 Anoxia Diseases 0.000 claims description 6
- 241000976983 Anoxia Species 0.000 claims description 6
- 206010021143 Hypoxia Diseases 0.000 claims description 6
- 230000007953 anoxia Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 239000004902 Softening Agent Substances 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- 235000012255 calcium oxide Nutrition 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- -1 glyphosate calcium salt Chemical class 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000010842 industrial wastewater Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000002363 herbicidal effect Effects 0.000 description 2
- 239000004009 herbicide Substances 0.000 description 2
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000004471 Glycine Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/306—Pesticides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
- C02F5/06—Softening water by precipitation of the hardness using calcium compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Water Treatment By Sorption (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to the industrial wastewater treatment technology, belongs to the technical field of environmental protection and particularly relates to a glyphosate production wastewater treatment technology. The technology comprises the following specific steps: glyphosate recycling, physicochemical treatment, biochemical pretreatment, biochemical treatment and advanced treatment. In the invention, the glyphosate is recycled while the glyphosate production wastewater is treated, and the unity of economic benefits, environmental benefits and social benefits is realized. In the wastewater treatment process, by combining physicochemical pretreatment, biochemical treatment and advanced treatment, the effluent quality reaches the national discharge standard. In the technology, the system operation is stable, the treatment effect is good, and the treatment cost is relatively low.
Description
Technical field
The present invention relates to technique for treating industrial wastewater, be specifically related to a kind of glyphosate production wastewater and process technique.
Background technology
Glyphosate be a kind of high-efficiency low-toxicity bud after steriland herbicide, be the maximum kind of current domestic herbicide yield.The industrialized preparing process of glyphosate currently mainly has two kinds: one to be glycine method, and two is iminodiacetic acid (salt) acid system (IDA method), no matter any production technology, and the generation of glyphosate waste water is all inevitable.Glyphosate production wastewater belongs to poisonous and hazardous industrial production wastewater, have that discharge capacity is big, pollutant levels are high, toxicity is big, salinity high, the main component of waste water is the impurity such as glyphosate, formaldehyde, methanol, catalyst and other salt, and having many is can not biologicallydegraded effluent or to amicine.When can produce 10% gyphosate solution in the past, the glyphosate in waste water is used directly in the water preparation of low concentration, it does not have waste, the wastewater treatment thus brought and problem of environmental pollution are so not severe.Since the Ministry of Agriculture, No. 1158 files are put into effect, clear stipulaties stops the gyphosate solution registration lower than 30% of the approval active constituent content, it is deployed into low concentration water preparation after evaporation and concentration glyphosate mother solution and is subject to forbidding of national policy, glyphosate producer faces product transformation, the reduction of discharging of glyphosate waste water and recycling become the common problem of industry, it would be highly desirable to solve.Therefore in the urgent need to the process technique of a kind of glyphosate waste water, while recycling glyphosate, can effectively administer again waste water, reach the unification of economic benefit and environmental benefit.
Summary of the invention
It is an object of the invention to provide a kind of glyphosate production wastewater efficient, that cost is low and the response rate is high and process technique.
This invention address that the technical scheme of the problems referred to above is as follows:
A kind of glyphosate production wastewater processes technique, and concrete technology comprises the following steps:
(1) glyphosate reclaims: waste water is filtered pretreatment, removes insoluble matter impurity in waste water, then the waste water after filtration is delivered to the first regulating reservoir, add quick lime, regulate pH7~10, stir 0.5~2h, filter, separate filtering residue and pretreated waste water, filtering residue adds hydrochloric acid, regulates pH2~3, filter, obtaining glyphosate calcium salt, add PCW softening agent and can obtain glyphosate concentrated solution, filtering drying obtains glyphosate;
(2) materializing strategy: pretreated waste water is delivered to the second regulating reservoir, wastewater pH 3~5 in regulating reservoir, then enter waste water lifting in Fe/Cu micro cell, and the response time is 2~5h, then being re-fed in Fenton reactor and carry out oxidation processes, the response time is 2~5h;
(3) biochemical pretreatment: the waste water that step (2) processes is introduced the first coagulative precipitation tank, then again by waste water lifting to the 3rd regulating reservoir, regulating wastewater pH is 7.5~9;
(4) biochemical treatment: biochemical pretreated waste water is sent in upflow anaerobic sludge blanket reactor, after stopping 0.5~2 day, waste water is introduced anoxia biochemistry pool, after stopping 1~2 day, waste water is delivered in aerobic reactor, introduce after stopping 1~2.5 day in second pond, again being processed to upflow anaerobic sludge blanket reactor by sludge reflux in second pond, supernatant water introduces subsequent processing;
(5) advanced treating: the supernatant water of step (4) is introduced the second coagulative precipitation tank, adds polyaluminium sulfate in pond, introduces the water in activated carbon adsorption tank, water outlet after stopping 0.5~1.5 day after 0.5~1 day response time.
Preferably, the mass fraction adopting hydrochloric acid in step (1) is 18%~28%.
Preferably, aeration tube is set in the first regulating reservoir, and carries out blast aeration.
Preferably, at the bottom of upflow anaerobic sludge blanket reactor pond, circulating pump water-distributing device is set.
Preferably, in anoxia biochemistry pool, boring aeration pipe is set.
Preferably, high-performance bio filler is set in aerobic reactor.
The invention has the beneficial effects as follows:
The present invention, while processing glyphosate production wastewater, has reclaimed glyphosate, and the response rate of glyphosate is 70~76%, reaches the unification of economic benefit, environmental benefit and social benefit.In the process of wastewater treatment, adopt materialized pretreatment, the mode that biochemical treatment and advanced treating combine, make effluent quality reach discharging standards.This process system is stable, and high treating effect and processing cost are relatively low.
Detailed description of the invention
Below embodiments of the invention being elaborated, the present embodiment is carried out under premised on technical solution of the present invention, gives detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
A kind of glyphosate production wastewater processes technique, and concrete technology comprises the following steps:
(1) glyphosate reclaims: waste water is filtered pretreatment, remove insoluble matter impurity in waste water, then the waste water after filtration is delivered to the first regulating reservoir, aeration tube is set in pond, and carry out blast aeration, in pond, add quick lime, regulate pH7~10, stir 2h, filter, separating filtering residue and pretreated waste water, adding mass fraction in filtering residue is 25%~28% hydrochloric acid, regulates pH2~3, filter, obtaining glyphosate calcium salt, add PCW softening agent and can obtain glyphosate concentrated solution, filtering drying obtains glyphosate;
(2) materializing strategy: pretreated waste water is delivered to the second regulating reservoir, wastewater pH 3~5 in regulating reservoir, then enter waste water lifting in Fe/Cu micro cell, and the response time is 3h, then being re-fed in Fenton reactor and carry out oxidation processes, the response time is 3h;
(3) biochemical pretreatment: the waste water that step (2) processes is introduced the first coagulative precipitation tank, then again by waste water lifting to the 3rd regulating reservoir, regulating wastewater pH is 7.5~9;
(4) biochemical treatment: biochemical pretreated waste water is sent in upflow anaerobic sludge blanket reactor, circulating pump water-distributing device is set at the bottom of the pond of reactor, waste water is introduced in the anoxia biochemistry pool being provided with boring aeration pipe after stopping 0.5 day, after stopping 1 day, waste water is delivered in the aerobic reactor being provided with high-performance bio filler, introduce after stopping 1.5 days in second pond, again being processed to upflow anaerobic sludge blanket reactor by sludge reflux in second pond, supernatant water introduces subsequent processing;
(5) advanced treating: the supernatant water of step (4) is introduced the second coagulative precipitation tank, adds polyaluminium sulfate in pond, introduces the water in activated carbon adsorption tank, water outlet after stopping 1 day after 0.5 day response time.
Production waste water after treatment, after testing, in water outlet, COD is 71.8mg/l.
Embodiment 2
A kind of glyphosate production wastewater processes technique, and concrete technology comprises the following steps:
(1) glyphosate reclaims: waste water is filtered pretreatment, remove insoluble matter impurity in waste water, then the waste water after filtration is delivered to the first regulating reservoir, aeration tube is set in pond, and carry out blast aeration, in pond, add quick lime, regulate pH7~10, stir 1.5h, filter, separating filtering residue and pretreated waste water, adding mass fraction in filtering residue is 20%~23% hydrochloric acid, regulates pH2~3, filter, obtaining glyphosate calcium salt, add PCW softening agent and can obtain glyphosate concentrated solution, filtering drying obtains glyphosate;
(2) materializing strategy: pretreated waste water is delivered to the second regulating reservoir, wastewater pH 3~5 in regulating reservoir, then enter waste water lifting in Fe/Cu micro cell, and the response time is 4h, then being re-fed in Fenton reactor and carry out oxidation processes, the response time is 3h;
(3) biochemical pretreatment: the waste water that step (2) processes is introduced the first coagulative precipitation tank, then again by waste water lifting to the 3rd regulating reservoir, regulating wastewater pH is 7.5~9;
(4) biochemical treatment: biochemical pretreated waste water is sent in upflow anaerobic sludge blanket reactor, circulating pump water-distributing device is set at the bottom of the pond of reactor, waste water is introduced in the anoxia biochemistry pool being provided with boring aeration pipe after stopping 1 day, after stopping 1.5 days, waste water is delivered in the aerobic reactor being provided with high-performance bio filler, introduce after stopping 2 days in second pond, again being processed to upflow anaerobic sludge blanket reactor by sludge reflux in second pond, supernatant water introduces subsequent processing;
(5) advanced treating: the supernatant water of step (4) is introduced the second coagulative precipitation tank, adds polyaluminium sulfate in pond, introduces the water in activated carbon adsorption tank, water outlet after stopping 0.5 day after 0.5 day response time.
Production waste water after treatment, after testing, in water outlet, COD is 62.5mg/l.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (6)
1. a glyphosate production wastewater processes technique, it is characterised in that concrete technology comprises the following steps:
(1) glyphosate reclaims: waste water is filtered pretreatment, removes insoluble matter impurity in waste water, then the waste water after filtration is delivered to the first regulating reservoir, add quick lime, regulate pH7~10, stir 0.5~2h, filter, separate filtering residue and pretreated waste water, filtering residue adds hydrochloric acid, regulates pH2~3, filter, obtaining glyphosate calcium salt, add PCW softening agent and can obtain glyphosate concentrated solution, filtering drying obtains glyphosate;
(2) materializing strategy: pretreated waste water is delivered to the second regulating reservoir, wastewater pH 3~5 in regulating reservoir, then enter waste water lifting in Fe/Cu micro cell, and the response time is 2~5h, then being re-fed in Fenton reactor and carry out oxidation processes, the response time is 2~5h;
(3) biochemical pretreatment: the waste water that step (2) processes is introduced the first coagulative precipitation tank, then again by waste water lifting to the 3rd regulating reservoir, regulating wastewater pH is 7.5~9;
(4) biochemical treatment: biochemical pretreated waste water is sent in upflow anaerobic sludge blanket reactor, after stopping 0.5~2 day, waste water is introduced anoxia biochemistry pool, after stopping 1~2 day, waste water is delivered in aerobic reactor, introduce after stopping 1~2.5 day in second pond, again being processed to upflow anaerobic sludge blanket reactor by sludge reflux in second pond, supernatant water introduces subsequent processing;
(5) advanced treating: the supernatant water of step (4) is introduced the second coagulative precipitation tank, adds polyaluminium sulfate in pond, introduces the water in activated carbon adsorption tank, water outlet after stopping 0.5~1.5 day after 0.5~1 day response time.
2. a kind of glyphosate production wastewater according to claim 1 processes technique, it is characterised in that the mass fraction adopting hydrochloric acid in step (1) is 18%~28%.
3. a kind of glyphosate production wastewater according to claim 1 processes technique, it is characterised in that arranges aeration tube in the first regulating reservoir, and carries out blast aeration.
4. a kind of glyphosate production wastewater according to claim 1 processes technique, it is characterised in that arrange circulating pump water-distributing device at the bottom of upflow anaerobic sludge blanket reactor pond.
5. a kind of glyphosate production wastewater according to claim 1 processes technique, it is characterised in that arrange boring aeration pipe in anoxia biochemistry pool.
6. a kind of glyphosate production wastewater according to claim 1 processes technique, it is characterised in that arrange high-performance bio filler in aerobic reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316241.6A CN105800880A (en) | 2016-05-11 | 2016-05-11 | Glyphosate production wastewater treatment technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316241.6A CN105800880A (en) | 2016-05-11 | 2016-05-11 | Glyphosate production wastewater treatment technology |
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| CN105800880A true CN105800880A (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610316241.6A Pending CN105800880A (en) | 2016-05-11 | 2016-05-11 | Glyphosate production wastewater treatment technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113087280A (en) * | 2019-12-23 | 2021-07-09 | 南京延长反应技术研究院有限公司 | System and method for treating glyphosate production wastewater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU608108B2 (en) * | 1987-12-31 | 1991-03-21 | Monsanto Company | Process for treating glyphosate process waste streams |
| CN101671089A (en) * | 2009-10-12 | 2010-03-17 | 福建三农集团股份有限公司 | Pretreatment method for glyphosate industrial waste water |
| CN203411434U (en) * | 2013-06-27 | 2014-01-29 | 浙江卓锦工程技术有限公司 | Glyphosate pesticide wastewater treatment system |
-
2016
- 2016-05-11 CN CN201610316241.6A patent/CN105800880A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU608108B2 (en) * | 1987-12-31 | 1991-03-21 | Monsanto Company | Process for treating glyphosate process waste streams |
| CN101671089A (en) * | 2009-10-12 | 2010-03-17 | 福建三农集团股份有限公司 | Pretreatment method for glyphosate industrial waste water |
| CN203411434U (en) * | 2013-06-27 | 2014-01-29 | 浙江卓锦工程技术有限公司 | Glyphosate pesticide wastewater treatment system |
Non-Patent Citations (1)
| Title |
|---|
| 徐明礼等: "草甘膦生产废水的预处理与综合利用", 《南京师范大学学报(工程技术版)》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113087280A (en) * | 2019-12-23 | 2021-07-09 | 南京延长反应技术研究院有限公司 | System and method for treating glyphosate production wastewater |
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Application publication date: 20160727 |