CN104761029A - Composite inorganic high-molecular waste water treatment flocculant - Google Patents
Composite inorganic high-molecular waste water treatment flocculant Download PDFInfo
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- CN104761029A CN104761029A CN201510112028.9A CN201510112028A CN104761029A CN 104761029 A CN104761029 A CN 104761029A CN 201510112028 A CN201510112028 A CN 201510112028A CN 104761029 A CN104761029 A CN 104761029A
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Abstract
The invention discloses a composite inorganic high-molecular waste water treatment flocculant which is composed of following raw materials, by mass: 40-70% of polyaluminium ferric sulfate, 2-10% of magnesium sulfate, 5-10% of cationic starch, 4-15% of calcium hydroxide, 0.5-3% of activated charcoal, 2-10% of sodium carbonate and 5-15% of polyacrylamide. The flocculant is broad in spectrum, is low-toxic, is low-cost in the raw materials, is good in treatment effects, is simple in operation, is wide in available range, and can form the floc being good in filterability. The flocculant can effectively treats oil-containing waste water, coking wastewater and such industrial waste water, can protect ecologic environment, is less in use amount, can form large alumen ustum, is high in sedimentation speed, is high in removal rate of COD, is less in sludge, is strong in adsorbability on pollutants and is strong in neutralization capacity on micro-acidic waste water.
Description
Technical field
The present invention relates to sewage treating material field, particularly relate to a kind of composite inorganic high molecular sewage treatment flocculating agent of sewage disposal.
Background technology
The method adopted in Industrial Waste Water Treatments has Physical, chemical method, physico-chemical processes and biochemical treatment method.The chemical treating process that major part water treatment all needs early stage.Chemical method can be divided into neutralisation, flocculence, oxidation reduction process, ion exchange method etc.And coagulation in method of chemical treatment, flocculence are most widely used general, most economical, most important treatment processs, it can remove water body small particles colloidalmaterial.Flocculation agent is then the key factor of flocculence success or failure.But when pending waste water is a kind of not only stable but also complicated dispersion system, as in recent years, oily(waste)water, coking chemical waste water, etc. industrial sewage, traditional flocculant and inorganic polymer flocculant cannot meet the requirement of process, comparatively serious to the pollution of ecotope, how effectively to flocculate these not only stable the but also sewage of complicated dispersion system be the problem needing to solve.
Summary of the invention
Based on the problem existing for above-mentioned prior art, the invention provides the agent of a kind of sewage disposal microbial nutrition, can sewage disposal be used for, promote microorganism active, improve the treatment effect to sewage.
For solving the problems of the technologies described above, the invention provides a kind of composite inorganic high molecular sewage treatment flocculating agent, this flocculation agent is made up of following raw material by mass percentage:
Composite inorganic high molecular sewage treatment flocculating agent of the present invention, advantages such as there is wide spectrum, low toxicity, raw material is cheap, treatment effect good, flco filterableness that is simple to operate, applied widely, that formed is good.Can to oily(waste)water, coking chemical waste water, etc. industrial sewage effectively process, consumption of preserving the ecological environment is few, form that alumen ustum is large, settling velocity fast, COD clearance is high, mud is few, to pollutent high adsorption capacity.Strong to subacidity sewage neutralising capacity.
Embodiment
Be clearly and completely described the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
The embodiment of the present invention provides a kind of composite inorganic high molecular sewage treatment flocculating agent of waste water flocculating process, and this flocculation agent is made up of following raw material by mass percentage:
Preferably, in above-mentioned flocculation agent, PAFS adopts the PAFS of Fe/Al=0.4.Polyacrylamide adopts non-ionic polyacrylamide.
Preferably, cationic starch in aforesaid method obtains by with under type: adopt W-Gum 110 mass parts, 2 in mass ratio, 3-epoxypropyltrimethylchloride chloride 30 mass parts, NaOH 1.6 mass parts and dispersion agent are raw material, the mass ratio of described dispersion agent and described W-Gum is 0.5:1, and described dispersion agent is mixed by the water of 1:1 in mass ratio and ethanol; By each raw material condition blending dispersion evenly this cationic starch obtained at temperature of reaction 80 DEG C, reaction times 2.5h.The DS of this cationic starch is 3.1, is a kind of economical cationic starch.
This flocculation agent obtains by with under type, by each raw material successively through being uniformly mixed, ball milling, to pack after drying, namely obtain this flocculation agent.In concrete preparation process, be uniformly mixed adopt sealing stir, ball milling become 100 ~ 150 μm of particles and through 100 eye mesh screens through, through 80 DEG C of dryings, pack with moisture barrier bag.
This flocculation agent uses as follows, according to sewage index, get 1 cubic metre, clear water, be heated to 20 DEG C ~ 40 DEG C, add flocculation agent described in 2 ~ 5Kg, in the waste water container with mechanical stirring and ultrasonic agitation, make flocculation concentration liquid, mechanical stirring 2 ~ 5min, ultrasonic agitation 5 ~ 30min, ultrasonic power 500 ~ 600W, frequency 20 ~ 50kHz; In the ratio of flocculation agent concentrated solution 20g ~ 500g:1 cubic meter sewage, handled sewage is injected in described flocculation agent concentrated solution dispersion.
Below in conjunction with specific embodiment, flocculation agent of the present invention is described further.
The advantages such as compound inorganic high molecular flocculant of the present invention possesses good treatment effect, and its various combination shows wide spectrum, low toxicity, raw material is cheap, treatment effect good and simple to operate.Can to oily(waste)water, coking chemical waste water, etc. industrial sewage the pollution of ecotope is effectively processed, of far-reaching significance to ecological environmental protection.
The turbidity removal rate of this flocculation agent to industrial sewage reaches 94.55%, reaches 96% to the clearance of colourity, reaches 82.67% to the clearance of oil.Feature is that consumption is few, formation alumen ustum is large, settling velocity fast, COD clearance is high, mud is few, to pollutent high adsorption capacity.Strong to subacidity sewage neutralising capacity.PAM adds, and has the advantages such as molecular weight is high, product stability good, adsorption bridging ability strong, have multiple functional group, flocculating effect is good, applied widely, the flco filterableness of formation is good, thus obtains applying more and more widely.
Flocculation agent of the present invention, when dilution adds, Dilution ratio can not surpass 50wt%, and chemical feeding quantity is 0.02 ~ 0.6 kg/tonne of water; When dosage be greater than 100mg/L (optimum value 140mg/L), former water pH is greater than 7 ~ 12 (optimum values 8), curing temperature is 50 DEG C time, flocculating effect is best.
Flocculation agent of the present invention, the Fe/Al=0.4 of PAFS (PAFS), the siccative of magnesium sulfate mainly flocculation agent, prevents moisture absorption from luming.Preferably, magnesium sulfate consumption can according to supply area and environmental modulation.
Cationic starch is with W-Gum 110g, GTA (2,3-epoxypropyltrimethylchloride chloride) 30g, NaOH 1.6g and dispersion agent be raw material, dispersion agent: the mass ratio of W-Gum is 0.5:1, dispersion agent is that the water of 1:1 and ethanol mix by mass ratio, preparation is that blending dispersion evenly obtains this economical cationic starch under the condition of temperature of reaction 80 DEG C, reaction times 2.5h, and DS is 0.31.Such as: cationic starch add-on is 140mg/L, PAM add-on is 4mg/L, wastewater pH is under the condition of 8, and the chroma removal rate of waste water is 92%, COD clearance is 86%.
Calcium hydroxide, can carry out neutralization to acid waste water or heavy metal wastewater thereby and become neutral.Compare sodium hydroxide, there is performance and price advantage.
Gac, the adsorptive power that the organism that also known as active black, little to solubleness, wetting ability is poor, polarity is weak is as stronger in benzene-like compounds, phenolic compound etc. have, addition is according to sewage compounds content and type adjustment.
Sodium carbonate, popular name soda, crystal soda, soda ash, washing soda, the aqueous solution is strong basicity (pH=11.6).
Polyacrylamide (non-ionic type) PAM is organic polymer solvent, have that molecular weight is high, product stability good, the strong feature of adsorption bridging ability, PAM adds, and particle can be made to form thick Gong flower by adsorption bridging effect, thus accelerate precipitation, improve flocculating effect.Will be dissolved in clear water when using owing to wanting polyacrylamide (non-ionic type) PAM, temperature unsuitable too high (10 DEG C ~ 40 DEG C), therefore composite flocculation agent of the present invention will use by above-mentioned service requirements.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (7)
1. a composite inorganic high molecular sewage treatment flocculating agent, is characterized in that, this flocculation agent is made up of following raw material by mass percentage:
2. composite inorganic high molecular sewage treatment flocculating agent according to claim 1, is characterized in that, described PAFS adopts the PAFS of Fe/Al=0.4.
3. composite inorganic high molecular sewage treatment flocculating agent according to claim 1, is characterized in that, described polyacrylamide adopts non-ionic polyacrylamide.
4. the composite inorganic high molecular sewage treatment flocculating agent according to any one of claims 1 to 3, is characterized in that, this flocculation agent obtains by with under type, by each raw material successively through being uniformly mixed, ball milling, to pack after drying, namely obtain this flocculation agent.
5. composite inorganic high molecular sewage treatment flocculating agent according to claim 4, is characterized in that, described in be uniformly mixed adopt sealing stir, ball milling become 100 ~ 150 μm of particles and through 100 eye mesh screens through, through 80 DEG C of dryings, pack with moisture barrier bag.
6. the composite inorganic high molecular sewage treatment flocculating agent according to any one of claims 1 to 3, is characterized in that, this flocculation agent uses as follows, comprising:
According to sewage index, get 1 cubic metre, clear water, be heated to 20 DEG C ~ 40 DEG C, add flocculation agent described in 2 ~ 5Kg, flocculation concentration liquid is made, mechanical stirring 2 ~ 5min, ultrasonic agitation 5 ~ 30min in the waste water container with mechanical stirring and ultrasonic agitation, ultrasonic power 500 ~ 600W, frequency 20 ~ 50kHz;
In the ratio of flocculation agent concentrated solution 20g ~ 600g:1 cubic meter sewage, handled sewage is injected in described flocculation agent concentrated solution dispersion.
7. the composite inorganic high molecular sewage treatment flocculating agent according to any one of claims 1 to 3, is characterized in that, described cationic starch obtains by with under type:
Adopt W-Gum 110 mass parts, 2 in mass ratio, 3-epoxypropyltrimethylchloride chloride 30 mass parts, NaOH 1.6 mass parts and dispersion agent are raw material, the mass ratio of described dispersion agent and described W-Gum is 0.5:1, and described dispersion agent is mixed by the water of 1:1 in mass ratio and ethanol;
By each raw material condition blending dispersion evenly this cationic starch obtained at temperature of reaction 80 DEG C, reaction times 2.5h.
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Cited By (12)
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| CN105036411A (en) * | 2015-07-21 | 2015-11-11 | 安徽江威精密制造有限公司 | Treating method for industrial waste water |
| CN105565453A (en) * | 2015-12-19 | 2016-05-11 | 湖南科技大学 | Preparation method and application of composite coagulant for manganese-containing wastewater treatment |
| CN105565459A (en) * | 2015-12-22 | 2016-05-11 | 山东大学 | Compound flocculant with polymerization ferric chloride and amination polymers based on papermaking sludge and method for preparing compound flocculant |
| CN105600902A (en) * | 2015-12-19 | 2016-05-25 | 湖南科技大学 | Preparation method and application of coagulant for removing Mn and Mn-DOM |
| CN105712496A (en) * | 2016-04-19 | 2016-06-29 | 肥东县柯文斌家庭农场 | Water body clarifying agent for removing eutrophication substances |
| CN106006898A (en) * | 2016-07-14 | 2016-10-12 | 胡大苇 | Wastewater treatment flocculating agent taking wheat bran as raw material, and preparation method of wastewater treatment flocculating agent |
| CN106277105A (en) * | 2016-09-08 | 2017-01-04 | 合肥智慧殿投资管理有限公司 | A kind of efficiently treating agent for papermaking wastewater |
| CN108101180A (en) * | 2017-12-29 | 2018-06-01 | 天津德清科技有限公司 | A kind of sewage-treating agent and preparation method thereof |
| CN108525348A (en) * | 2018-04-28 | 2018-09-14 | 袁杰 | Oily waste liquor treating agent of a kind of cutting and preparation method thereof |
| CN109264819A (en) * | 2018-08-13 | 2019-01-25 | 大唐（北京）水务工程技术有限公司 | A kind of organic-inorganic composite degreaser and its preparation method and application |
| CN109320008A (en) * | 2018-09-20 | 2019-02-12 | 河南精康制药有限公司 | A kind for the treatment of process of pharmacy waste water |
| CN112811543A (en) * | 2020-12-31 | 2021-05-18 | 京塑智造(广东)有限公司 | Preparation method of high-strength inorganic high polymer material |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036411A (en) * | 2015-07-21 | 2015-11-11 | 安徽江威精密制造有限公司 | Treating method for industrial waste water |
| CN105565453A (en) * | 2015-12-19 | 2016-05-11 | 湖南科技大学 | Preparation method and application of composite coagulant for manganese-containing wastewater treatment |
| CN105600902A (en) * | 2015-12-19 | 2016-05-25 | 湖南科技大学 | Preparation method and application of coagulant for removing Mn and Mn-DOM |
| CN105600902B (en) * | 2015-12-19 | 2017-12-05 | 湖南科技大学 | A kind of preparation method and application for being used to remove Mn and Mn DOM coagulant |
| CN105565459B (en) * | 2015-12-22 | 2018-11-16 | 山东大学 | A kind of poly-ferric chloride-paper mill sludge base aminated polymer composite flocculation agent and preparation method thereof |
| CN105565459A (en) * | 2015-12-22 | 2016-05-11 | 山东大学 | Compound flocculant with polymerization ferric chloride and amination polymers based on papermaking sludge and method for preparing compound flocculant |
| CN105712496A (en) * | 2016-04-19 | 2016-06-29 | 肥东县柯文斌家庭农场 | Water body clarifying agent for removing eutrophication substances |
| CN106006898A (en) * | 2016-07-14 | 2016-10-12 | 胡大苇 | Wastewater treatment flocculating agent taking wheat bran as raw material, and preparation method of wastewater treatment flocculating agent |
| CN106006898B (en) * | 2016-07-14 | 2019-02-01 | 胡大苇 | It is a kind of using wheat bran as sewage treatment flocculating agent of raw material and preparation method thereof |
| CN106277105A (en) * | 2016-09-08 | 2017-01-04 | 合肥智慧殿投资管理有限公司 | A kind of efficiently treating agent for papermaking wastewater |
| CN108101180A (en) * | 2017-12-29 | 2018-06-01 | 天津德清科技有限公司 | A kind of sewage-treating agent and preparation method thereof |
| CN108525348A (en) * | 2018-04-28 | 2018-09-14 | 袁杰 | Oily waste liquor treating agent of a kind of cutting and preparation method thereof |
| CN109264819A (en) * | 2018-08-13 | 2019-01-25 | 大唐（北京）水务工程技术有限公司 | A kind of organic-inorganic composite degreaser and its preparation method and application |
| CN109320008A (en) * | 2018-09-20 | 2019-02-12 | 河南精康制药有限公司 | A kind for the treatment of process of pharmacy waste water |
| CN112811543A (en) * | 2020-12-31 | 2021-05-18 | 京塑智造(广东)有限公司 | Preparation method of high-strength inorganic high polymer material |
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