CN103922449B - A kind of high-efficiency environment friendly flocculation agent administered for black smelly river - Google Patents
A kind of high-efficiency environment friendly flocculation agent administered for black smelly river Download PDFInfo
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Abstract
The invention discloses a kind of novel high-efficiency environment friendly flocculation agent for administering black smelly river, comprising the composition of following weight percent: polymerize aluminum chloride: 20 ~ 60%; Unslaked lime: 5 ~ 10%; Sodium carbonate: 5 ~ 10%; Diatomite: 10 ~ 30%; Chitosan: 1 ~ 3%; Carboxymethyl starch CMS:2 ~ 5%; Neutral protease: 1 ~ 3%; Cement: 10 ~ 25%.Each Component Source of medicament of the present invention enriches, cheap, economic environmental protection; Combine each component use, and not only additive amount of medicament is few, and little on water pH value impact, do not change mud originality matter in water; Amount of activated state heavy metal is cured, and is conducive to the increase of sludge activity in water, greatly can improve the self-purification capacity of water body; Integrate the several functions such as absorption, cohesion, chelating, solidification, catalyzed degradation, treatment effect is good, and the water body after flocculation sediment is as clear as crystal, odorless.
Description
Technical field
The present invention relates to a kind of flocculation agent, particularly relate to a kind of flocculation agent administered for black smelly river.
Background technology
Along with the fast development of economy and the quickening of urbanization process, China's water pollution problems is day by day serious.A large amount of discharges of trade effluent and sanitary sewage, become the many cities of China common faced by pollution problem, had a strong impact on resident living, city image and ecotope.The domestic and international technology for administering black smelly river mainly can be divided into physics, chemistry and biological-ecological three class methods at present.Physical method mainly comprises filtration, precipitation, artificial aeration etc.; Chemical process mainly comprises enhanced flocculation, chemical oxidation and chemical precipitation etc.; Biological method mainly comprises microorganism enhanced technology, technology of biological membrane, plant purification technology and biological-ecological purification techniques etc.
Physical method and chemical process have the advantages such as simple to operate, instant effect, generally help out in black smelly river is administered.Biological method fundamentally can recover the ecological functions in black smelly river, it is the very fast a kind of technology of domestic and international development in recent years, its utilizes the Metabolic activity of microorganism of the plant cultivated or cultivation, inoculation, the pollutent of black smelly korneforos is shifted, transforms and degraded, improve water quality, build the aquatic ecosystem with complete nutrition level structure simultaneously, fundamentally recover the health of water body system.Biological method is applied to the improvement in black smelly river, have stable effectively, secure persistent, construction costs are lower, running cost is cheap, can improve with greening environment and view features such as combining, but biological method process takes effect slowly, and being subject to the impact of season and weather condition, effective follow-up management of simultaneity factor safeguards it is also the major issue being badly in need of in biological method application process solving.
Summary of the invention
For the deficiency of existing biologic treating technique, the object of the invention is to propose a kind of cheapness, the high-efficiency environment friendly flocculation agent for black smelly river biological treatment of good, the environmental protection for the treatment of effect, to reaching while improving treatment effect to greatest extent, reduce its processing cost and the secondary pollution to environment.Pollution factor in water is condensed also sedimentation and is cured to bed mud by this preparation, activates bed mud simultaneously.The effect of harnessing the river that the various technology solving use at present face is bad, and pollutants in sediments can secondary release cause water again black smelly, and the ecosystem is difficult to the problem set up.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of novel high-efficiency environment friendly flocculation agent for administering black smelly river, comprises the composition of following weight percent:
Polymerize aluminum chloride: 20 ~ 60%; Unslaked lime: 5 ~ 10%; Sodium carbonate: 5 ~ 10%; Diatomite: 10 ~ 30%; Chitosan: 1 ~ 3%; Carboxymethyl starch CMS:2 ~ 5%; Neutral protease: 1 ~ 3%; Cement: 10 ~ 25%.
The invention belongs to a kind of novel high-efficiency environment friendly flocculation agent, above-mentioned raw materials adds in malodorous black water by the flocculation agent that this proportioning is made, calcium aluminate in flocculation agent, sodium carbonate can react rapidly with the calcium hydroxide of life after lime hydration, polymerization generates hydroxy polymer colloid, oxyhydroxide and carbonate deposition, thus make a large amount of free water change water of constitution into, make to add the rapid multiviscosisty of mud in the malodorous black water of flocculation agent and gel.Lime is as coagulant aids, and except adjust ph, the calcium ion after its dissolving can be adsorbed by the soil ulmin in mud, forms porous web trellis aperture frame, thus improve the compressibility of mud in mud, increases floc strength.In addition, calcium oxide also has the effect of passive metal, and the heavy metal of ionic condition can be made in alkaline environment to generate precipitation of hydroxide, thus reduces the activity of heavy metal ion, improves the self-purification capacity of water body; Diatomite, chitosan have the effect of adsorbs malodorous or chelate heavy metals; Carboxymethyl starch, neutral protease have cohesion or catalytic decomposition organism, strengthen the effect of microorganism active in water; Cement has solidification throw out and increases the effect of medicament proportion.
The using method of above-mentioned high-efficiency environment friendly flocculation agent is: above raw material adds in malodorous black water after making flocculation agent by said ratio, stirs, malodorous black water is fully mixed with the flocculation agent added.
In the present invention, the addition of flocculation agent adjusts according to the situation such as silt content, pollutant kind, envrionment temperature of malodorous black water, and general addition is 3 ~ 5% of mud dry weight.Malodorous black water after cohesion, as clear as crystal, odorless.
Beneficial effect: each Component Source of medicament of the present invention enriches, cheap, economic environmental protection; Combine each component use, and not only additive amount of medicament is few, and little on water pH value impact, do not change mud originality matter in water; Amount of activated state heavy metal is cured, and is conducive to the increase of sludge activity in water, greatly can improve the self-purification capacity of water body; Integrate the several functions such as absorption, cohesion, chelating, solidification, catalyzed degradation, treatment effect is good, and the water body after flocculation sediment is as clear as crystal, odorless.
The ability adapting to change of water quality is strong, and administer sewage, mud, pollutant removal is good, and treatment cycle is short simultaneously, and later maintenance is simple and expense is low, and water body has lasting self-purification capacity strong, non-secondary pollution.Cutting on dirty basis, this medicament is used to have very strong persistence compared with the prior art.Water quality after process can reach corresponding surface water quality standard.Transparency, more than 50cm, takes effect very fast, within about one month, can take effect.
Embodiment
Below in conjunction with embodiment, the invention will be further elaborated.It should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, can also make some modification and improvement, these also should be considered as belonging to protection scope of the present invention.
Embodiment 1
For administering the novel high-efficiency environment friendly flocculation agent in black smelly river, comprise the composition of following weight percent:
Polymerize aluminum chloride: 20%; Unslaked lime: 10%; Sodium carbonate: 10%; Diatomite: 30%; Chitosan: 1%; Carboxymethyl starch CMS:2%; Neutral protease: 2%; Cement: 25%.Wherein
Polymerize aluminum chloride: aluminium sesquioxide content is greater than 27%;
Unslaked lime: adopt technical grade unslaked lime, content >=90%;
Sodium carbonate: adopt technical grade sodium carbonate, content >=99%;
Diatomite: SiO
2content>=80%, Fe
2o
3content≤1.5%;
Chitosan: content >=95%, white powder;
Carboxymethyl starch: density 0.4g/cm
3, content>=97%;
Neutral protease: enzyme activity 100,000 u/g, active substance content >=99%, food grade;
Cement: high-alumina cement, one-level, CA-50,525.
During use, carry out allocating and mixing according to the ratio of component each in above-mentioned flocculation agent, then add deployed novel high-efficiency environment friendly flocculation agent process malodorous black water, the addition of flocculation agent is 3% of mud dry weight, stirs 5min; Finally the river after stirring is left standstill 1h, detect afterwards and obtain: the river after coagulative precipitation is as clear as crystal, odorless, before process, the pH value in black smelly river is 7.0; After process, river pH is 7.1.
Embodiment 2
Raw materials used identical with embodiment 1, just the composition of ratio changes, and is specially:
Polymerize aluminum chloride: 60%; Unslaked lime: 5%; Sodium carbonate: 5%; Diatomite: 10%; Chitosan: 2%; Carboxymethyl starch CMS:5%; Neutral protease: %; Cement: 10%.
During use, carry out allocating and mixing according to the ratio of component each in above-mentioned flocculation agent, then add deployed novel high-efficiency environment friendly flocculation agent process malodorous black water, the addition of flocculation agent is 5% of mud dry weight, stirs 15min; Finally the river after stirring is left standstill 1h, detect afterwards and obtain: the river after coagulative precipitation is as clear as crystal, odorless, before process, the pH value in black smelly river is 7.0; After process, river pH is 7.1.
Embodiment 3
Raw materials used identical with embodiment 1, just the composition of ratio changes, and is specially:
Polymerize aluminum chloride: 40%; Unslaked lime: 8%; Sodium carbonate: 8%; Diatomite: 20%; Chitosan: 3 %; Carboxymethyl starch CMS:4%; Neutral protease: 1%; Cement: 16%.
During use, carry out allocating and mixing according to the ratio of component each in above-mentioned flocculation agent, then add deployed novel high-efficiency environment friendly flocculation agent process malodorous black water, the addition of flocculation agent is 4% of mud dry weight, stirs 10min; Finally the river after stirring is left standstill 1h, detect afterwards and obtain: the river after coagulative precipitation is as clear as crystal, odorless, before process, the pH value in black smelly river is 7.0; After process, river pH is 7.1.
Claims (2)
1., for the high-efficiency environment friendly flocculation agent that black smelly river is administered, it is characterized in that: the component comprising following weight percent: polymerize aluminum chloride: 20 ~ 60%; Unslaked lime: 5 ~ 10%; Sodium carbonate: 5 ~ 10%; Diatomite: 10 ~ 30%; Chitosan: 1 ~ 3%; Carboxymethyl starch CMS:2 ~ 5%; Neutral protease: 1 ~ 3%; Cement: 10 ~ 25%;
In described polymerize aluminum chloride, aluminium sesquioxide content is greater than 27%;
Described unslaked lime, adopts technical grade unslaked lime, content >=90%;
Described sodium carbonate, adopts technical grade sodium carbonate, content >=99%;
Described diatomite, SiO
2content>=80%, Fe
2o
3content≤1.5%;
Described chitosan is white powder, content >=95%;
Described carboxymethyl starch, density 0.4g/cm
3, content>=97%;
Described neutral protease is food grade, enzyme activity 100,000 U/g, active substance content >=99%;
Described cement is high-alumina cement, one-level, CA-50,525.
2. the using method of a kind of high-efficiency environment friendly flocculation agent for black smelly river improvement according to claim 1, it is characterized in that, carry out allocating and mixing according to the ratio of component each in described flocculation agent, then deployed high-efficiency environment friendly flocculation agent process malodorous black water is added, the addition of flocculation agent is 3 ~ 5% of mud dry weight, stirs; Finally the river after stirring is left standstill.
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| CN104071881A (en) * | 2014-07-18 | 2014-10-01 | 廉勇 | Flocculating agent for waste water treatment, and preparation method thereof |
| CN104386827B (en) * | 2014-10-31 | 2016-07-06 | 安徽华亿农牧科技发展有限公司 | A kind of environment-friendly type water purification agent and preparation thereof and using method |
| CN104478058B (en) * | 2014-11-04 | 2016-03-30 | 沈礼群 | A kind of Gou Tang lake heavy metal agriculture chemical pollutes solidification remover and preparation method thereof |
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| CN109231297A (en) * | 2016-05-31 | 2019-01-18 | 合肥龙精灵信息技术有限公司 | Dedicated sewage-treating agent of a kind of coal mine processing and preparation method thereof |
| CN105858751A (en) * | 2016-05-31 | 2016-08-17 | 陈萍 | Sewage treatment agent special for stone mining and processing and preparation method of sewage treatment agent |
| CN106865639A (en) * | 2017-01-11 | 2017-06-20 | 杭州银江环保科技有限公司 | A kind of water body and in-situ sediment remediation agent and restorative procedure |
| CN109292940B (en) * | 2018-10-31 | 2019-09-13 | 中徽生态环境有限公司 | A kind of environmentally friendly preparation and preparation method thereof for administering city black and odorous water |
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| CN112520835A (en) * | 2019-09-17 | 2021-03-19 | 欧美新材料(浙江)有限公司 | Integrated remediation agent for black and odorous water body and bottom mud and preparation method |
| CN110921843B (en) * | 2019-12-12 | 2022-04-15 | 佛山科学技术学院 | Preparation method of polymer composite flocculant for printing and dyeing sewage |
| CN111039373A (en) * | 2019-12-23 | 2020-04-21 | 中冶京诚工程技术有限公司 | Flocculating agent for purifying black and odorous water body and preparation method and application thereof |
| CN111689617A (en) * | 2020-07-02 | 2020-09-22 | 苏州中材建设有限公司 | Dry-process cement production line wastewater treatment system |
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