CN105293603B - A kind of heavy metal-polluted water treatment agent and its processing method - Google Patents
A kind of heavy metal-polluted water treatment agent and its processing method Download PDFInfo
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- CN105293603B CN105293603B CN201510853670.2A CN201510853670A CN105293603B CN 105293603 B CN105293603 B CN 105293603B CN 201510853670 A CN201510853670 A CN 201510853670A CN 105293603 B CN105293603 B CN 105293603B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 36
- 238000003672 processing method Methods 0.000 title description 3
- 239000002351 wastewater Substances 0.000 claims abstract description 37
- 239000000126 substance Substances 0.000 claims abstract description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 18
- AHLWZBVXSWOPPL-RGYGYFBISA-N 20-deoxy-20-oxophorbol 12-myristate 13-acetate Chemical compound C([C@]1(O)C(=O)C(C)=C[C@H]1[C@@]1(O)[C@H](C)[C@H]2OC(=O)CCCCCCCCCCCCC)C(C=O)=C[C@H]1[C@H]1[C@]2(OC(C)=O)C1(C)C AHLWZBVXSWOPPL-RGYGYFBISA-N 0.000 claims abstract description 17
- 241001602688 Pama Species 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000013517 stratification Methods 0.000 claims abstract description 5
- 239000000440 bentonite Substances 0.000 claims description 11
- 229910000278 bentonite Inorganic materials 0.000 claims description 11
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 11
- NYVOYAFUSJONHU-UHFFFAOYSA-K trisodium;1,3,5-triazine-2,4,6-trithiolate Chemical compound [Na+].[Na+].[Na+].[S-]C1=NC([S-])=NC([S-])=N1 NYVOYAFUSJONHU-UHFFFAOYSA-K 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 9
- -1 polypropylene Polymers 0.000 claims description 9
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 8
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims description 8
- 229910001431 copper ion Inorganic materials 0.000 claims description 8
- RVPVRDXYQKGNMQ-UHFFFAOYSA-N lead(2+) Chemical compound [Pb+2] RVPVRDXYQKGNMQ-UHFFFAOYSA-N 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 3
- 125000002091 cationic group Chemical group 0.000 claims description 2
- 150000001768 cations Chemical class 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims 1
- 125000002252 acyl group Chemical group 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 44
- 239000002738 chelating agent Substances 0.000 abstract description 18
- 239000003463 adsorbent Substances 0.000 abstract description 17
- 238000004062 sedimentation Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 150000002500 ions Chemical class 0.000 description 15
- 238000005189 flocculation Methods 0.000 description 6
- 230000016615 flocculation Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 4
- 229920002521 macromolecule Polymers 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010027439 Metal poisoning Diseases 0.000 description 1
- 208000030527 Minamata disease Diseases 0.000 description 1
- 208000009507 Nervous System Mercury Poisoning Diseases 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000010501 heavy metal poisoning Diseases 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The present invention relates to a kind of heavy metal-polluted water treatment agent, and it includes the raw material of following parts by weight：The parts by weight of PAMC 1；The parts by weight of PAMA 38；The parts by weight of inorganic matter flocculant 10 30；The parts by weight of heavy metal chelating agent 13；The parts by weight of adsorbent 58 85.Also include a kind of heavy metal-polluted method for treating water, this method comprises the following steps：Wastewater from chemical industry 1L is taken, NaOH solution, regulation wastewater pH to 8.0 9.0 are added in waste water；Add heavy metal-polluted water treatment agent into above-mentioned steps resulting solution, the addition of heavy metal-polluted water treatment agent is 0.04% the 0.08% of wastewater from chemical industry weight, quickly stirs 10s, then mixes slowly 20min, stops stirring, stratification 10min.The beneficial effects of the present invention are：1st, prepare simple.2nd, PAMC molecular weight is small, adsorbs bentonitic negative electrical charge by the positive charge group contained by it, forms hard-packed drainage system.3rd, PAMA molecular weight is big, rapid sedimentation, and flco is thick.
Description
Technical field
The present invention relates to the technical field of sewage disposal, more particularly to a kind of heavy metal-polluted water treatment agent and its processing side
Method.
Background technology
With developing rapidly for industrial or agricultural economy, the discharge capacity of waste water increasingly increases, largely the Industry Waste containing heavy metal
Water and city domestic sewage are discharged into environment, and serious pollution is caused to air, soil and water environment.Heavy metal wastewater thereby contains
The element such as arsenic, mercury, lead, copper, zinc, chromium, nickel, most of heavy metal wastewater therebies are in the departments such as plating, mining, chemical industry, waste water
Species, content and the existing forms of heavy metal ion are and widely different with different production species.Because heavy metal ion has toxicity
By force, the features such as persistence, non-biodegradable, once so heavy metal is absorbed by the crops such as paddy, wheat or other biological
By human consumption, heavy metal, which will enter human body, to be made one to produce heavy metal poisoning, and the strange illnesses such as minamata disease, Itai-itai diseases gently then occur,
Severe one will be dead.
Although the method for processing heavy metal wastewater thereby is varied, Physical, chemical method, physico can be substantially summarized as
Method, bioanalysis and efficient Integration Method etc..Wherein it is most importantly chemical method.In view of heavy metal wastewater thereby concentration is low, complicated component,
Handle it is up to standard require very strict, existing water treatment agent perhaps can handle the heavy metal ion in industrial wastewater, but for
Material in waste water in addition to heavy metal ion can not reach a good removing effect.Price also be present simultaneously to hold high
The problems such as expensive, poor processing effect, sinking speed are slow, dosage is big, viscous filter cloth.
The content of the invention
The technical problems to be solved by the invention are：The defects of overcoming prior art, there is provided a kind of high effect nontoxic, alumen ustum
Greatly, the heavy metal-polluted water treatment agent and its processing method that the reaction time is short, sinking speed is fast, hydrophobicity is good.
The present invention is to solve the problems, such as that used technical scheme set forth above is：
A kind of heavy metal-polluted water treatment agent, it includes the raw material of following parts by weight：The weight of PAMC 1
Part；PAMA 3-8 parts by weight；Inorganic matter flocculant 10-30 parts by weight；Heavy metal chelating agent 1-3 parts by weight；
Adsorbent 58-85 parts by weight.
A kind of heavy metal-polluted water treatment agent, it includes the raw material of following parts by weight：The weight of PAMC 1
Part；PAMA 4-7 parts by weight；Inorganic matter flocculant 15-25 parts by weight；Heavy metal chelating agent 1-3 parts by weight；
Adsorbent 68-78 parts by weight.
A kind of heavy metal-polluted water treatment agent, it includes the raw material of following parts by weight：The weight of PAMC 1
Part；PAMA 5-6 parts by weight；Inorganic matter flocculant 16-20 parts by weight；Heavy metal chelating agent 2-3 parts by weight；
Adsorbent 60-70 parts by weight.
A kind of heavy metal-polluted water treatment agent, it includes the raw material of following parts by weight：The weight of PAMC 1
Part；The parts by weight of PAMA 5；The parts by weight of inorganic matter flocculant 15；The parts by weight of heavy metal chelating agent 1；Adsorbent
78 parts by weight.
Described inorganic matter flocculant is PAFC.
Described heavy metal chelating agent is trithiocyanuric acid trisodium salt.
Described adsorbent is bentonite.
A kind of heavy metal-polluted method for treating water, this method comprise the following steps：
（1）PH is adjusted：Wastewater from chemical industry 1L is taken, NaOH solution, regulation wastewater pH to 8.0-9.0 are added in waste water；
（2）Mixing：Heavy metal-polluted water treatment agent is added into step 1 resulting solution, heavy metal-polluted water treatment agent
Addition is the 0.04%-0.08% of wastewater from chemical industry weight, quickly stirs 10s, then mixes slowly 20min, stops stirring, is stood
10min is layered, filters and removes gained precipitation, collect clear liquid.
Described heavy metal-polluted water treatment agent, it includes the raw material of following parts by weight：The weight of PAMC 1
Measure part；PAMA 3-8 parts by weight；Inorganic matter flocculant 10-30 parts by weight；Heavy metal chelating agent 1-3 weight
Part；Adsorbent 58-85 parts by weight.
Described heavy metal-polluted water treatment agent, it includes the raw material of following parts by weight：The weight of PAMC 1
Measure part；PAMA 4-7 parts by weight；Inorganic matter flocculant 15-25 parts by weight；Heavy metal chelating agent 1-3 weight
Part；Adsorbent 68-78 parts by weight.
Described heavy metal-polluted water treatment agent, it includes the raw material of following parts by weight：The weight of PAMC 1
Measure part；PAMA 5-6 parts by weight；Inorganic matter flocculant 16-20 parts by weight；Heavy metal chelating agent 2-3 weight
Part；Adsorbent 60-70 parts by weight.
Described heavy metal-polluted water treatment agent, it includes the raw material of following parts by weight：The weight of PAMC 1
Measure part；The parts by weight of PAMA 5；The parts by weight of inorganic matter flocculant 15；The parts by weight of heavy metal chelating agent 1；Adsorbent
78 parts by weight.
Described inorganic matter flocculant is PAFC.
Described heavy metal chelating agent is trithiocyanuric acid trisodium salt.
Described adsorbent is bentonite.
Wastewater from chemical industry used contains copper ion 105mg/L, zinc ion 10mg/L, lead ion 3.5mg/L, and iron ion is
95mg/L。
The operation principle of the present invention：General principle is PAMA, sun using PAFC as flocculant
Cationic polyacrylamide is flocculation aid, and trithiocyanuric acid trisodium salt is heavy metals removal agent, by PAMC and
Bentonite adsorption links the drainage system to be formed, and the floc sedimentation of the formation such as colloid, suspension, heavy metal ion is filtered and is removed.
The beneficial effects of the present invention are：1st, prepare simply, only need to be by polyacrylamide, PAFC, heavy metal
Agent for capturing and bentonite mix in proportion, mixing.2nd, PAMC molecular weight is small, serves not only as
Flocculation aid, colloid rapid flocculation can be made, and bentonitic negative electrical charge, shape can also be adsorbed by the positive charge group contained by it
Into hard-packed drainage system, the sedimentation of macromolecular substances is not only improved, the hydrophobicity of settled sludge can be improved again, make filter
Cake filter cloth not easy to stick.3rd, collecting agent of the trithiocyanuric acid trisodium salt as heavy metal ion, heavy metal ion is all solid securely
Determine into macromolecule.4th, PAMA molecular weight is big, absorption, crane span structure, the net effect of catching is played, the huge sum of money separated out
Category chelant salt is linked to be one piece, rapid sedimentation, and flco is thick.5th, can not only effectively heavy-metal ion removal, moreover it is possible to reduce or clear
Except other harmful substances.
Embodiment
Embodiments of the invention are further illustrated below.
Embodiment 1：Wastewater from chemical industry 1L is taken, adds NaOH solution in waste water, regulation wastewater pH to 8.0-9.0, then
Heavy metal-polluted water treatment agent is added, the addition of heavy metal-polluted water treatment agent is the 0.04% of wastewater from chemical industry weight, is quickly stirred
10s is mixed, then mixes slowly 20min, stops stirring, stratification 10min, filters and precipitated obtained by removing, collect clear liquid.
The concentration of heavy metal ion of waste water is after having handled:Copper ion 0.48mg/L, zinc ion 0.89mg/L, lead ion
0.29mg/L, iron ion are that 0.25mg/L reaches emission request.
Wastewater from chemical industry used contains copper ion 105mg/L, zinc ion 10mg/L, lead ion 3.5mg/L, and iron ion is
95mg/L。
Described heavy metal-polluted water treatment agent, it includes the raw material of following parts by weight：The weight of PAMC 1
Measure part, the parts by weight of PAMA 5, the parts by weight of PAFC 15, the parts by weight of heavy metal chelating agent 1, adsorbent
78 parts by weight.
Described heavy metal chelating agent is trithiocyanuric acid trisodium salt.
Described adsorbent is bentonite.
Embodiment 2：Wastewater from chemical industry 1L is taken, it is 8.0-9.0 first to adjust wastewater pH with NaOH, is then added heavy metal-polluted
Water treatment agent, the addition of heavy metal-polluted water treatment agent are the 0.06% of wastewater from chemical industry weight, 10s is quickly stirred, then
20min is mixed slowly, stops stirring, stratification 10min, filters and precipitated obtained by removing, collect clear liquid.
The concentration of heavy metal ion of waste water is after having handled:Copper ion 0.40mg/L, zinc ion 0.80mg/L, lead ion
0.23 mg/L, iron ion 0.18mg/L, reaches emission request.
Wastewater from chemical industry used contains copper ion 105mg/L, zinc ion 10mg/L, lead ion 3.5mg/L, and iron ion is
95mg/L。
Described heavy metal-polluted water treatment agent, it includes the raw material of following parts by weight：The weight of PAMC 1
Measure part, the parts by weight of PAMA 5, the parts by weight of PAFC 15, the parts by weight of heavy metal chelating agent 1, adsorbent
78 parts by weight.
Described heavy metal chelating agent is trithiocyanuric acid trisodium salt.
Described adsorbent is bentonite.
Embodiment 3：Wastewater from chemical industry 1L is taken, it is 8.0-9.0 first to adjust wastewater pH with NaOH, is then added heavy metal-polluted
Water treatment agent, the addition of heavy metal-polluted water treatment agent are the 0.08% of wastewater from chemical industry weight, quickly stir 10s, then slowly
Speed stirring 20min, stops stirring, stratification 10min, and suction filtration removes gained and precipitated, and collects clear liquid.
The concentration of heavy metal ion of waste water is after having handled:Copper ion is 0.28mg/L, zinc ion 0.69mg/L, lead from
Son is 0.20mg/L, iron ion 0.14mg/L, reaches emission request.
Wastewater from chemical industry used contains copper ion 105mg/L, zinc ion 10mg/L, lead ion 3.5mg/L, and iron ion is
95mg/L。
Described heavy metal-polluted water treatment agent, it includes the raw material of following parts by weight：The weight of PAMC 1
Measure part, the parts by weight of PAMA 5, the parts by weight of PAFC 15, the parts by weight of heavy metal chelating agent 1, adsorbent
78 parts by weight.
Described heavy metal chelating agent is trithiocyanuric acid trisodium salt.
Described adsorbent is bentonite.
The operation principle of present embodiment：General principle is the anion poly- third using PAFC as flocculant
Acrylamide, PAMC are flocculation aid, and trithiocyanuric acid trisodium salt is heavy metals removal agent, passes through cation poly- third
Acrylamide and bentonite adsorption link the drainage system to be formed, and filter the floc sedimentation of the formation such as colloid, suspension, heavy metal ion
And remove.
The beneficial effect of present embodiment is：1st, prepare simply, only need to be by polyacrylamide, aluminium polychloride
Iron, heavy metal chelating agent and bentonite mix in proportion, mixing.2nd, PAMC molecular weight is small,
Flocculation aid is served not only as, colloid rapid flocculation can be made, and can also be adsorbed by the positive charge group contained by it bentonitic
Negative electrical charge, forms hard-packed drainage system, not only improves the sedimentation of macromolecular substances, can improve dredging for settled sludge again
It is water-based, make filter cake filter cloth not easy to stick.3rd, collecting agent of the trithiocyanuric acid trisodium salt as heavy metal ion, heavy metal ion all
It is fixed firmly in macromolecule.4th, PAMA molecular weight is big, plays absorption, crane span structure, the net effect of catching, precipitation
The heavy metal chelant salt come is linked to be one piece, rapid sedimentation, and flco is thick.5th, can not only effectively heavy-metal ion removal, moreover it is possible to
Reduce or remove other harmful substances.
The specific embodiment of the present invention is not construed as limiting the invention, every similar structure and change using the present invention
Change, within the scope of the present invention.
Claims (2)
1. a kind of heavy metal-polluted water treatment agent, it is characterised in that it includes the raw material of following parts by weight：Cation polypropylene acyl
The parts by weight of amine 1；The parts by weight of PAMA 5；The parts by weight of PAFC 15；The weight of trithiocyanuric acid trisodium salt 1
Part；The parts by weight of bentonite 78.
2. a kind of heavy metal-polluted method for treating water, it is characterised in that this method comprises the following steps：
（1）PH is adjusted：Wastewater from chemical industry 1L is taken, NaOH solution, regulation wastewater pH to 8.0-9.0 are added in waste water；
（2）Mixing：Heavy metal-polluted water treatment agent, the addition of heavy metal-polluted water treatment agent are added into step 1 resulting solution
Measure as the 0.04%-0.08% of wastewater from chemical industry weight, quickly stir 10s, then mix slowly 20min, stop stirring, stratification
10min, filter and remove gained precipitation, collect clear liquid；
The heavy metal-polluted water treatment agent, it includes the raw material of following parts by weight：The parts by weight of PAMC 1；It is cloudy
The parts by weight of cationic polyacrylamide 5；The parts by weight of PAFC 15；The parts by weight of trithiocyanuric acid trisodium salt 1；The weight of bentonite 78
Measure part；
The wastewater from chemical industry contains copper ion 105mg/L, zinc ion 10mg/L, lead ion 3.5mg/L, iron ion 95mg/L.
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| CN201510853670.2A CN105293603B (en) | 2015-11-30 | 2015-11-30 | A kind of heavy metal-polluted water treatment agent and its processing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106980005A (en) * | 2017-05-25 | 2017-07-25 | 安徽宏远职业卫生技术服务有限公司 | A kind of water quality detection agent detected for heavy metal element |
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| CN105753277A (en) * | 2016-03-31 | 2016-07-13 | 魏垒垒 | Method for utilizing anionic polyacrylamide to reduce toxicity of heavy metals to activated sludge |
| CN106430484A (en) * | 2016-10-13 | 2017-02-22 | 无锡普立顺环保科技有限公司 | Efficient heavy metal trapping agent |
| CN107117694A (en) * | 2017-05-14 | 2017-09-01 | 安徽泛亚环保科技有限公司 | A kind of purification of waste water special agent and its production method |
| CN107128982A (en) * | 2017-05-14 | 2017-09-05 | 安徽泛亚环保科技有限公司 | A kind of commercial metal effluent purifying medicament and its production method |
| CN107473322B (en) * | 2017-09-18 | 2021-03-23 | 广州中滔绿由环保科技有限公司 | Filtering agent produced from printing and dyeing sludge and used for treating sewage and manufacturing method thereof |
| CN107381684B (en) * | 2017-09-18 | 2021-03-05 | 清远绿由环保科技有限公司 | Filtering agent produced from papermaking sludge and used for treating sewage and preparation method thereof |
| CN109231334A (en) * | 2018-08-28 | 2019-01-18 | 浙江正洁环境科技有限公司 | A kind of waste water integrated treatment medicament and its application |
| CN109556802A (en) * | 2018-11-13 | 2019-04-02 | 宁波嘉天汽车管件有限公司 | A kind of automobile oil return pipe package seal checker |
| CN109354254A (en) * | 2018-11-28 | 2019-02-19 | 佛山科学技术学院 | A kind of compound coagulant for the basin sewage treatment that content of beary metal is high |
| CN109731897A (en) * | 2019-01-24 | 2019-05-10 | 湖州师范学院 | The method of restoration of soil polluted by heavy metal |
| CN110078155A (en) * | 2019-03-14 | 2019-08-02 | 清远市中宇环保实业股份有限公司 | A kind of chemical wastewater treatment agent and preparation method thereof |
| CN117326661A (en) * | 2023-11-07 | 2024-01-02 | 广州楷宇环保科技有限公司 | Sewage treatment medicament, and preparation method and application thereof |
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| CN1821114A (en) * | 2006-02-23 | 2006-08-23 | 南平市绿叶环保科技开发有限公司 | Process for preparing composite floculating agent of aluminium sulfate and slaked lime |
| CN101327976B (en) * | 2008-07-15 | 2012-01-25 | 南通立源水业科技发展有限公司 | Efficient water treatment flocculant |
| CN102234160B (en) * | 2010-05-05 | 2013-02-27 | 深圳市明灯科技有限公司 | Method for treating low-concentration arsenic-containing wastewater |
| WO2012146324A1 (en) * | 2011-04-29 | 2012-11-01 | Feralco Ab | Method for treatment of sludge from water and wastewater treatment plants with chemical treatment |
| CN102249388A (en) * | 2011-05-05 | 2011-11-23 | 长安大学 | Method for performing synergetic degradation on cadmium ammonia complex in underground water |
| CN105084603A (en) * | 2015-09-09 | 2015-11-25 | 杭州太一科技有限公司 | Treatment method and system of nickel-containing wastewater conforming to Water Pollutant Table III Discharge Standard |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106980005A (en) * | 2017-05-25 | 2017-07-25 | 安徽宏远职业卫生技术服务有限公司 | A kind of water quality detection agent detected for heavy metal element |
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