CN1321907C - Pollution removing composite medicament for water disposal - Google Patents
Pollution removing composite medicament for water disposal Download PDFInfo
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- CN1321907C CN1321907C CNB2004100439547A CN200410043954A CN1321907C CN 1321907 C CN1321907 C CN 1321907C CN B2004100439547 A CNB2004100439547 A CN B2004100439547A CN 200410043954 A CN200410043954 A CN 200410043954A CN 1321907 C CN1321907 C CN 1321907C
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- medicament
- permanganate
- ferrate
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Abstract
The present invention discloses a pollution removing composite medicament for water treatment, which relates to a pollution removing medicament for water treatment. The present invention is composed of permanganate, ferrate, silicate polymer and adjuvant. The present invention not only exerts the functions of high-efficient pollution removing and flocculation of permanganate and ferrate composite medicament, but also exerts the excellent function of absorption and sweeping of inorganic polymer. The pollution removing medicament contains natural disinfectant, and the high valence strong oxidizing destroyed viruses and the bacteria of the pollution removing medicament can be fully used, wherein the generation of disinfection by-products of the present invention is far smaller than the disinfection by-products generated by chlorination. The medicament has excellent performance in enhancing coagulation, intensifying filtration, removing turbidity, color, algae and smell, removing trace organic pollutant and mutagenic active substances in water, reducing haloform front quality and haloform produced quantity, replacing prechlorination, and reducing the dose of coagulant.
Description
Technical field:
The present invention relates to a kind of depollution medicament that is used for water treatment.
Background technology:
China's seven big major river valley surface water organic contaminations at present are generally serious day by day, and the kind of pollutent is increasing, and pollution of waterhead is challenged to existing water purification technology.Data presentation, existing purification techniques can not guarantee the security of drinking water quality.In the coagulation-settlement process link, water-borne glue body particle is difficult to take off surely, and the dosage of coagulating agent increases greatly, and organic pollutant is difficult to remove from water, and cost of water treatment rises significantly.In the filtration process link, organic increase in the water causes the filter material surface in the filter tank to be subjected to organic pollution, and surface properties changes, partly or entirely lost absorption and crown_interception, filtered and greatly weaken as the crucial barrier action in the technology to colloidal impurity.Turbidity, organic pollutant do not obtain effectively catching in filtration procedure.In the sterilization process link,, thereby produce more disinfection byproduct (DBP) because aforementioned processing technology fails effectively to remove organic pollutant.Pollute under the comparatively serious condition at water, use coagulating agent to be not enough to sometimes organic removal is produced good effect separately, at this moment need to use various medicaments combined action reinforcing process, comprising: the material that adopts ozone, prechlorination, potassium permanganate, dioxide peroxide etc. to have oxidizing property carries out preoxidation, these pre-oxidation processes not only can be removed organism, can also reach enhanced coagulation, filtering purpose to the influence of colloidal solid by destroying organism.Adding various medicaments simultaneously needs two covers or the above system of two covers, and the operation management is comparatively complicated, and cost of equipment is also higher.Removing little pollution with ozone pre-oxidation is example, and for a medium-scale water factory (100,000 ton per day), investment reaches millions of to up to ten million units.Research shows that also some oxygenants such as ozone, chlorine etc. also can produce some by products removing organism simultaneously.Can work out a kind of economy, efficient, safety, the novel depollution compound that integrates enhanced coagulation, filtration and depollution, make it have the control of adding aspect and need a cover system, the convenient and simple advantage in operation operational management aspect, this processing to current Chinese polluted water has positive effect.Disclose a kind of " drinking water purifying technique with compound permanganate medicament " among the CN1103628A,, had many shortcomings such as waste equipment, control is complicated, effect is bad, molecular weight is little because potassium permanganate compound and coagulating agent need add respectively.
Summary of the invention:
The purpose of this invention is to provide a kind of economy, efficient, safety, integrate the water treatment depollution compound CFPS of enhanced coagulation, filtration and depollution.Medicament of the present invention is made up of permanganate, ferrate, silicate polymer, assistant agent, their weight percent is: permanganate 0.1~40%, ferrate 0.1~40%, silicate polymer 0.1~30%, assistant agent 0.1~80%, described assistant agent are one or more the mixture in ferric sulfate, calcium oxide, calcium hydroxide, phosphoric acid salt, superoxide, hypochlorite, oxymuriate, special clay, Tai-Ace S 150, the polyaluminium sulfate.Owing to contain permanganate and comparatively stable ferric salt composition and the inorganic polymer material that aggregates into by silicate in the compound under certain condition, thereby given full play to the good oxidation between various compositions among the novel depollution medicament CFPS, catalysis, charge neutrality, absorption and rolled up and synergy such as sweep.The distinctive character of reaction in water of ferric salt (+6 valency): oxidation and destruction organism, reaction product is originally as molysite (+3 valency), and is without any side effects to human body, generates the good coagulating agent of usefulness; Permanganate (+7 valency) has oxidation and destroys organism, generates Manganse Dioxide absorption colloidal impurity and organism and plays catalysed oxidn, reaches the effect of enhanced coagulation, intensive filtration; Simultaneously the high molecular absorption volume that ferric-polysilicate is brought into play its high-valence cationic charge neutrality effect and silicate polymer own in the compound is swept effect, and its molecular weight can reach 10
5~10
6Dalton.The ferric-polysilicate coagulating agent compares with organic polymer coargulator (polyacrylamide etc.) with the inorganic coagulant (Tai-Ace S 150, polyaluminium sulfate, polymerize aluminum chloride, bodied ferric sulfate etc.) that is using at present because nontoxic greatly, the advantages such as price is low, coagulation effect excellence of its molecular weight promise to be inorganic polymer coagulant of new generation very much.The present invention has the control of adding aspect only needs a cover system, the convenient and simple advantage that is easy to realize controlling automatically advantage in operation operational management aspect, it has given full play to the efficient synergy of each composition in the depollution medicament in the processing of polluted water: efficient depollution, the throwing out of both having brought into play high ferrimanganic compound, bring into play the absorption of inorganic polymer excellence again and roll up the effect of sweeping, its treatment effect to polluted-water is very excellent, and this technology is the strengthening treatment process that our country goes out in tap water depollution field independent studies.Depollution medicament of the present invention can be preserved the long period, itself contain natural sterilizing agent, can utilize its high price strong oxidizing property break virus and bacterium fully, the generation of disinfection byproduct (DBP) is much smaller than the disinfection byproduct (DBP) that chlorine disinfectant produced, and this medicament is removed turbidity, colourity, algae in enhanced coagulation, intensive filtration, smells flavor, removes micro quantity organic pollutant and mutagenesis active substance in the water, reduces haloform antecedent and haloform growing amount, replaces prechlorination, reduced the performance that has excellence aspect the consumption of coagulating agent.For example: this water treatment depollution compound is in the processing of the Huanghe valley five class water bodys experiment, and dosage is during in iron 2~5mg/l, only COD in coagulation-settlement process
MnJust can remove 80%, the clearance that nitrite nitrogen is all removed downstream, the Yellow River lake and reservoir algae and water can reach 90~99%, and chroma removal rate can reach more than 90%.To COD
CrConcentration is the trade effluent of 120~130mg/l, and dosage is only just removed COD during in iron 5-10mg/l in coagulation-settlement process
CrAbout 81%, reach industrial wastewater discharge standard and reuse standard.
Embodiment:
Embodiment one: the water treatment depollution medicament of present embodiment is made up of permanganate, ferrate, silicate polymer, assistant agent, and their weight percent is: permanganate 0.1~40%, ferrate 0.1~40%, silicate polymer 0.1~30%, assistant agent 0.1~80%.Described permanganate is potassium permanganate or sodium permanganate; Described ferrate is potassium ferrate or Na2Fe04; Described silicate polymer can form compounds such as high poly-ferromanganese silicon, high poly-manganese aluminium silicon, high poly-iron silicon, high poly-iron aluminium silicon, high poly-aluminium silicon with other material; Described assistant agent can be one or more the mixture in ferric sulfate, calcium oxide, calcium hydroxide, phosphoric acid salt, superoxide, hypochlorite, oxymuriate, special clay, Tai-Ace S 150, the polyaluminium sulfate according to actual water quality.One or more mixture in montmorillonite, wilkinite, Attapulgite, zeolite and the diatomite of described special clay after for activation.The present embodiment medicament add the position at the front end of coagulation process or at the front end of filtration process, perhaps the front end of coagulation process with add simultaneously at the filtration process front end, the form that adds is for to add with liquid form, perhaps add with solid form, adding pharmaceutical quantities is the active drug dosage of 0~100mg/L.
Embodiment two: the water treatment depollution medicament of present embodiment is made up of permanganate, ferrate, silicate polymer, assistant agent, and their weight percent is: permanganate 15~40%, ferrate 15~40%, silicate polymer 15~25%, assistant agent 10~55%.
Embodiment three: the water treatment depollution medicament of present embodiment is made up of permanganate, ferrate, silicate polymer, assistant agent, and their weight percent is: permanganate 5~20%, ferrate 10~20%, silicate polymer 5~10%, assistant agent 50~75%.
Embodiment four: present embodiment is an example with surface water body 3 classes, it is 0.1~3% that the depollution medicament is mixed with mass concentration, the control dosage is 3~20mg/L, wherein permanganate 20%, ferrate 20%, silicate polymer 15%, assistant agent 45%, it is added in the water body before the coagulation, filter back delivery turbidity clearance improves 30~50%, the organic pollutant removal rate improves 30~50%, added amount of chemical saves 10~15% than the conventional dose dosage, and haloform antecedent and haloform growing amount reduce significantly.
Embodiment five: present embodiment is an example with surface water body 4 classes, and it is 0.1~5% that medicament is mixed with concentration, and the control dosage is 10~60mg/L, permanganate 10%, ferrate 15%, silicate polymer 15%, assistant agent 60%.Above-mentioned medicament is added in the water body before the coagulation, filter back delivery turbidity clearance improves 30~50%, the organic pollutant removal rate improves 30~50%, and added amount of chemical saves 30~40% than the conventional dose dosage, and haloform antecedent and haloform growing amount reduce significantly.
Claims (4)
1, water treatment depollution compound, it is characterized in that it is made up of permanganate, ferrate, silicate polymer, assistant agent, their weight percent is: permanganate 0.1~40%, ferrate 0.1~40%, silicate polymer 0.1~30%, assistant agent 0.1~80%, described assistant agent are one or more the mixture in ferric sulfate, calcium oxide, calcium hydroxide, phosphoric acid salt, superoxide, hypochlorite, oxymuriate, special clay, Tai-Ace S 150, the polyaluminium sulfate.
2, water treatment depollution compound according to claim 1 is characterized in that described permanganate is potassium permanganate or sodium permanganate.
3, water treatment depollution compound according to claim 1 is characterized in that described ferrate is potassium ferrate or Na2Fe04.
4, water treatment depollution compound according to claim 1 is characterized in that one or more the mixture in montmorillonite, wilkinite, Attapulgite, zeolite and the diatomite after described special clay is for activation.
Priority Applications (1)
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CNB2004100439547A CN1321907C (en) | 2004-10-20 | 2004-10-20 | Pollution removing composite medicament for water disposal |
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CNB2004100439547A CN1321907C (en) | 2004-10-20 | 2004-10-20 | Pollution removing composite medicament for water disposal |
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CN1762843A CN1762843A (en) | 2006-04-26 |
CN1321907C true CN1321907C (en) | 2007-06-20 |
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CNB2004100439547A Expired - Fee Related CN1321907C (en) | 2004-10-20 | 2004-10-20 | Pollution removing composite medicament for water disposal |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100420636C (en) * | 2006-11-24 | 2008-09-24 | 北京工业大学 | Coagulation method for removing trace phosphorus in water |
CN101503242B (en) * | 2009-03-13 | 2011-04-20 | 哈尔滨工业大学 | Water treatment medicament removing pollution by using intermediate state manganese strengthened potassium permanganate |
CN102371145B (en) * | 2010-08-18 | 2014-06-25 | 周济元 | Composite efficient cyanobacteria-eutrophication water treatment agent |
CN102259963A (en) * | 2011-06-22 | 2011-11-30 | 哈尔滨工业大学 | Polymeric magnesium silicate-sulfate composite flocculant |
CN103011529A (en) * | 2012-12-07 | 2013-04-03 | 常州大学 | Industrial wastewater treatment technology |
CN104138740B (en) * | 2014-04-30 | 2016-08-31 | 明光市恒大棒粉厂 | A kind of compound sewage processes adsorbent |
CN104355456B (en) * | 2014-11-21 | 2018-02-02 | 方健平 | A kind of pretreating process of copper facing degreasing sewage |
CN107486139A (en) * | 2017-10-10 | 2017-12-19 | 成都理工大学 | Original position covering suppresses the function soil and its application method of black and odorous water sedimentary phosphate release |
CN110054276A (en) * | 2019-05-14 | 2019-07-26 | 江苏祥豪实业股份有限公司 | Water quality composite purifying agent and preparation method thereof for aquaculture system |
CN110402958A (en) * | 2019-07-11 | 2019-11-05 | 江西奥起星科技有限公司 | A kind of aqueous disinfectant and sterilization method of recyclable water |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4983306A (en) * | 1989-05-09 | 1991-01-08 | The Regents Of The University Of California | Method of treating waste water |
CN1103628A (en) * | 1993-12-11 | 1995-06-14 | 李圭白 | Drinking water purifying technique with compound permanganate medicament |
-
2004
- 2004-10-20 CN CNB2004100439547A patent/CN1321907C/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4983306A (en) * | 1989-05-09 | 1991-01-08 | The Regents Of The University Of California | Method of treating waste water |
CN1103628A (en) * | 1993-12-11 | 1995-06-14 | 李圭白 | Drinking water purifying technique with compound permanganate medicament |
Non-Patent Citations (3)
Title |
---|
聚硅酸金属盐处理含氟废水的实验研究 李蔷薇等,华北电力大学学报,第31卷第1期 2004 * |
高铁酸盐在水和废水处理中的应用进展 刘永春等,四川环境,第23卷第2期 2004 * |
高铁酸盐在水和废水处理中的应用进展 刘永春等,四川环境,第23卷第2期 2004;聚硅酸金属盐处理含氟废水的实验研究 李蔷薇等,华北电力大学学报,第31卷第1期 2004 * |
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