CN105000699A - Method for removing heavy metal pollutants from water - Google Patents
Method for removing heavy metal pollutants from water Download PDFInfo
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- CN105000699A CN105000699A CN201510412796.6A CN201510412796A CN105000699A CN 105000699 A CN105000699 A CN 105000699A CN 201510412796 A CN201510412796 A CN 201510412796A CN 105000699 A CN105000699 A CN 105000699A
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Abstract
The invention relates to a method for removing heavy metal pollutants from water. The method comprises the following steps of: adding a water treatment agent to a polluted water body, wherein the addition quantity of the water treatment agent is 0.5g-1g/L, then stirring the water treatment agent and the polluted water body for 5-10 minutes so as to obtain a mixture, leaving the mixture to stand for 1-4 hours, and performing filtration and separation on the mixture. The water treatment agent is prepared through compounding triethanolamine, polyoxyethylene alkyl amine, sodium alginate, alkyl polyoxyethylene ether sodium sulphate, polypyrrolidone, epoxy chloropropane, 2-ethyl-2,5-dimethyl caproic acid, trehalose, polyoxypropylene diol, sodium polyacrylate, tetradecyldimethyl-ammonium chloride, sodium lactate, polyethylene glycol dilaurate, 1-pentadecyl alcohol and deionized water. The water treatment agent disclosed by the invention has the advantages that various heavy metal ions can be treated once, many kinds of heavy metal ions can be treated, and the removal rate is more than 98%; besides, the water treatment agent disclosed by the invention can also effectively treat some noble metal, such as platinum and gold.
Description
Technical field
The present invention relates to a kind of method removing heavy metal contaminants in water, belong to water treatment field.
Background technology
Along with global economic development and population constantly increase, the demand of human society to water increases rapidly.But consequent waste water, cannot recycle, cause water pollutions, have a strong impact on water ecological structure.In the waste water that industrial production is discharged, contained heavy metal ion belongs to not only difficult for biological degradation but also have very large toxicity, causes the very large attention of people.
Except the method for middle heavy metal ion of anhydrating has ion reduction, coagulation, co-precipitation, membrane filtration, ion-exchange and absorption etc.In these methods absorption method due to have relatively low cost, simple to operate, do not produce the advantage such as secondary pollution, regenerating easily, thus Application comparison is extensive.
But current heavy metal treatment agent is when processing the polluted-water containing contents of many kinds of heavy metal ion, and treatment effect is not good, can not simultaneously by thorough for contents of many kinds of heavy metal ion process.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of water conditioner removing heavy metal contaminants in water is provided, can be thorough by the contents of many kinds of heavy metal ion process coexisted in water.
Remove a method for heavy metal contaminants in water, in polluted-water, add water conditioner, dosage is 0.5g-1g/L, then stirs 5-10 minute, leaves standstill and carries out filtering separation after 1-4 hour; With parts by weight, the concrete component concentration of described water conditioner is as follows:
Trolamine 10-15
The rare alkylamine 5-10 of polyoxyethylene
Sodium Alginate 5-9
Pareth sulfate 0.5-3
Polypyrrole alkane ketone 1-2
Epoxy chloropropane 0.5-3
2-ethyl-2,5-dimethylhexanoic acid 5-10
Trehalose 0.5-3
Polyoxypropylene diol 3-5
Sodium polyacrylate 5-10
Tetradecyl chloride base dimethyl benzyl ammonium 5-10
Sodium.alpha.-hydroxypropionate 1-3
Polyoxyethylene glycol lauric acid dibasic acid esters 0.5-2
1-pentadecanol 3-8
Deionized water 30-45.
Preferably, with parts by weight, the concrete component concentration of described water conditioner is as follows:
Trolamine 12
The rare alkylamine 8 of polyoxyethylene
Sodium Alginate 7
Pareth sulfate 2
Polypyrrole alkane ketone 1.5
Epoxy chloropropane 1
2-ethyl-2,5-dimethylhexanoic acid 8
Trehalose 2
Polyoxypropylene diol 4
Sodium polyacrylate 8
Tetradecyl chloride base dimethyl benzyl ammonium 7
Sodium.alpha.-hydroxypropionate 2
Polyoxyethylene glycol lauric acid dibasic acid esters 1
1-pentadecanol 5
Deionized water 40.
The invention has the advantages that:
Compared with only processing single heavy metal ion with treatment process of the prior art, water conditioner of the present invention has once can process contents of many kinds of heavy metal ion, and process heavy metal ion kind is many, and clearance is more than 98%; The present invention simultaneously can also effectively process some precious metals, as platinum, gold etc.Method sewerage disposing agent consumption of the present invention is little simultaneously, little to the secondary pollution of water body, and treatment process is simple, and processing cost is cheap.
Embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1
With parts by weight, the concrete component concentration of described water conditioner is as follows:
Trolamine 10
The rare alkylamine 5 of polyoxyethylene
Sodium Alginate 5
Pareth sulfate 0.5
Polypyrrole alkane ketone 1
Epoxy chloropropane 0.5
2-ethyl-2,5-dimethylhexanoic acid 5
Trehalose 0.5
Polyoxypropylene diol 3
Sodium polyacrylate 5
Tetradecyl chloride base dimethyl benzyl ammonium 5
Sodium.alpha.-hydroxypropionate 1
Polyoxyethylene glycol lauric acid dibasic acid esters 0.5
1-pentadecanol 3
Deionized water 30.
Use above-mentioned water conditioner heavy metal polluted-water to process, final removal of heavy metal ions rate is as follows:
| Ion | Au 3+ | Fe 3+ | Ni 2+ | Cu 2+ | Pb 2+ | Cr 3+ |
| Clearance | 98.9% | 99.3% | 98.7% | 99.5% | 99.2% | 99.5% |
Embodiment 2
With parts by weight, the concrete component concentration of described water conditioner is as follows:
Trolamine 12
The rare alkylamine 8 of polyoxyethylene
Sodium Alginate 7
Pareth sulfate 2
Polypyrrole alkane ketone 1.5
Epoxy chloropropane 1
2-ethyl-2,5-dimethylhexanoic acid 8
Trehalose 2
Polyoxypropylene diol 4
Sodium polyacrylate 8
Tetradecyl chloride base dimethyl benzyl ammonium 7
Sodium.alpha.-hydroxypropionate 2
Polyoxyethylene glycol lauric acid dibasic acid esters 1
1-pentadecanol 5
Deionized water 40.
Use above-mentioned water conditioner heavy metal polluted-water to process, final removal of heavy metal ions rate is as follows:
| Ion | Au 3+ | Fe 3+ | Ni 2+ | Zn 2+ | Pb 2+ | Cd 2+ |
| Clearance | 99.2% | 99.5% | 98.8% | 99.6% | 99.4% | 99.6% |
Embodiment 3
With parts by weight, the concrete component concentration of described water conditioner is as follows:
Trolamine 15
The rare alkylamine 10 of polyoxyethylene
Sodium Alginate 9
Pareth sulfate 3
Polypyrrole alkane ketone 2
Epoxy chloropropane 3
2-ethyl-2,5-dimethylhexanoic acid 10
Trehalose 3
Polyoxypropylene diol 5
Sodium polyacrylate 10
Tetradecyl chloride base dimethyl benzyl ammonium 10
Sodium.alpha.-hydroxypropionate 3
Polyoxyethylene glycol lauric acid dibasic acid esters 2
1-pentadecanol 8
Deionized water 45.
Use above-mentioned water conditioner heavy metal polluted-water to process, final removal of heavy metal ions rate is as follows:
| Ion | Ag + | Fe 3+ | Pt 2+ | Zn 2+ | Pd 2+ | Cd 2+ |
| Clearance | 99.7% | 99.9% | 99.8% | 99.6% | 99.6% | 99.6% |
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (2)
1. remove a method for heavy metal contaminants in water, it is characterized in that: in polluted-water, add water conditioner, dosage is 0.5g-1g/L, then stirs 5-10 minute, leaves standstill and carries out filtering separation after 1-4 hour; With parts by weight, the concrete component concentration of described water conditioner is as follows:
Trolamine 10-15
The rare alkylamine 5-10 of polyoxyethylene
Sodium Alginate 5-9
Pareth sulfate 0.5-3
Polypyrrole alkane ketone 1-2
Epoxy chloropropane 0.5-3
2-ethyl-2,5-dimethylhexanoic acid 5-10
Trehalose 0.5-3
Polyoxypropylene diol 3-5
Sodium polyacrylate 5-10
Tetradecyl chloride base dimethyl benzyl ammonium 5-10
Sodium.alpha.-hydroxypropionate 1-3
Polyoxyethylene glycol lauric acid dibasic acid esters 0.5-2
1-pentadecanol 3-8
Deionized water is about 30-45.
2. the method for claim 1, is characterized in that: with parts by weight, and the concrete component concentration of described water conditioner is as follows:
Trolamine 12
The rare alkylamine 8 of polyoxyethylene
Sodium Alginate 7
Pareth sulfate 2
Polypyrrole alkane ketone 1.5
Epoxy chloropropane 1
2-ethyl-2,5-dimethylhexanoic acid 8
Trehalose 2
Polyoxypropylene diol 4
Sodium polyacrylate 8
Tetradecyl chloride base dimethyl benzyl ammonium 7
Sodium.alpha.-hydroxypropionate 2
Polyoxyethylene glycol lauric acid dibasic acid esters 1
1-pentadecanol 5
Deionized water 40.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412796.6A CN105000699A (en) | 2015-07-15 | 2015-07-15 | Method for removing heavy metal pollutants from water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412796.6A CN105000699A (en) | 2015-07-15 | 2015-07-15 | Method for removing heavy metal pollutants from water |
Publications (1)
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| CN105000699A true CN105000699A (en) | 2015-10-28 |
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| CN201510412796.6A Pending CN105000699A (en) | 2015-07-15 | 2015-07-15 | Method for removing heavy metal pollutants from water |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502574A (en) * | 2015-12-16 | 2016-04-20 | 杭州富阳伟文环保科技有限公司 | Treating agent for tar-containing wastewater |
| CN105540932A (en) * | 2016-01-25 | 2016-05-04 | 奥士康科技股份有限公司 | PCB waste water treatment process |
| CN110591054A (en) * | 2019-09-17 | 2019-12-20 | 江苏泰特尔新材料科技有限公司 | Epoxide with low total chlorine content and no heavy metal residue and synthesis process thereof |
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2015
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502574A (en) * | 2015-12-16 | 2016-04-20 | 杭州富阳伟文环保科技有限公司 | Treating agent for tar-containing wastewater |
| CN105540932A (en) * | 2016-01-25 | 2016-05-04 | 奥士康科技股份有限公司 | PCB waste water treatment process |
| CN110591054A (en) * | 2019-09-17 | 2019-12-20 | 江苏泰特尔新材料科技有限公司 | Epoxide with low total chlorine content and no heavy metal residue and synthesis process thereof |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20151028 |