CN107473352A - A kind of flocculant and its purification method of slime water fast purification - Google Patents
A kind of flocculant and its purification method of slime water fast purification Download PDFInfo
- Publication number
- CN107473352A CN107473352A CN201710765465.XA CN201710765465A CN107473352A CN 107473352 A CN107473352 A CN 107473352A CN 201710765465 A CN201710765465 A CN 201710765465A CN 107473352 A CN107473352 A CN 107473352A
- Authority
- CN
- China
- Prior art keywords
- flocculant
- slime water
- calcium
- water
- precipitation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
Abstract
The present invention relates to a kind of mud method for purifying water, more particularly, to a kind of flocculant and its purification method of slime water fast purification.Its mud method for purifying water mainly present in solution prior art is costly, efficiency is low, the slime water for easily polluting environment is discharged into the municipal storm sewer or sewage conduct in building site or building site side, can cause the technical problem of the blocking of storm sewer or river course that is discharged into etc..The present invention is by mud raw water after grid is by the suspension separation of bulky grain, the appropriate flocculant configured is added in mud raw water, flocculant is thoroughly mixed configuration with anionic macromolecule organic solid powder by divalent ion type salt solid and formed, wherein divalent ion type salt solid is the mixture of calcium salt and molysite, the addition of flocculant is the 1/1000 1/100 of sludge butt amount, it is thoroughly mixed, precipitated subsequently into sedimentation basin, supernatant by precipitation directly discharges, and is transported outward after the sludge dewatering after precipitation.
Description
Technical field
The present invention relates to a kind of mud method for purifying water, a kind of flocculant more particularly, to slime water fast purification and its
Purification method.
Background technology
With the fast development of urban infrastructure, skyscraper and Tunnel Engineering etc. are more and more, pile foundation engineering construction
Also more and more frequently, caused slime water is a kind of suspension liquid containing a certain amount of fine mud particle in pile foundation engineering, and it contains
Mud amount commonly reaches 20%-50%, and key component is colloid and thin suspended particulate substance, thus is stood with certain viscosity, long-time
Also the characteristics of being difficult to layering.A large amount of high alkalinities, high degree of dispersion can be produced in the industry of stone material production simultaneously particularly terrazzo production
Water containing dirt.The conventional treatment mode of current this slime water is to flow through tank or pipeline to the unified mud pond in building site to add
Medicine precipitation process, or live slime water is transported into countryside soot with groove tank car and carries out nature desiccation, but must not arbitrarily discharge
With the river course beyond pollution construction area, road surface.However, both modes are present, costly, efficiency is low, when constructing nervous just
Construction speed requirement can not be met, this slime water for easily polluting environment is directly arranged to work to tight deadlines by indivedual units in charge of construction
Enter the municipal storm sewer or sewage conduct in building site or building site side, often lead to the stifled of the storm sewer that is discharged into or river course
Plug.
The content of the invention
The present invention is to provide a kind of flocculant and its purification method of slime water fast purification, and it mainly solves existing skill
Mud method for purifying water present in art is costly, efficiency is low, and the slime water for easily polluting environment is discharged into building site or building site
The municipal storm sewer or sewage conduct on side, the technical problem of the blocking of storm sewer or river course that is discharged into etc. can be caused.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
A kind of flocculant of slime water fast purification of the present invention, described flocculant by divalent ion type salt solid with it is cloudy from
Subtype macromolecule organic solid powder is thoroughly mixed configuration and formed, and wherein divalent ion type salt solid is calcium salt and iron
The mixture of salt.
The present invention develops the rapid subsidence flocculant for being adapted to slurry treatment first.Poly- third is found in present invention research and development
Olefin(e) acid sodium and bivalent metal ion in water（Such as iron, calcium）Form polyacrylic acid iron（Calcium）Insoluble salt, molecule cross-link can be caused
And form gelation precipitation so that the settling velocity of particulate matter is drastically accelerated.The flocculant of the present invention is capable of the machine of rapid precipitation
Reason is iron and calcium ion type salt in flocculant, quickly to be dissolved after water is met, produce free iron and the ion, so as to right
Colloidal substance in water plays a part of compression double electric layer and charge neutrality so that colloidal substance is de- steady.Anionic macromolecule has
Machine thing Sodium Polyacrylate is a kind of wire, soluble high-molecular compound, is dissolved after water inlet, the carboxyl on its strand by
Acted in electrostatic repulsion so that the polymer chain stretching, extension to circumnutate, facilitate the functional group with adsorptivity to be exposed on surface, by
Steady colloidal particle is taken off in these active site adsorbent solutions, plays adsorption bridging, so as to accelerate the sedimentation of suspended particles.
Especially, Sodium Polyacrylate bivalent metal ion in water is met（Such as iron, calcium）Form polyacrylic acid iron（Calcium）Insoluble salt and
Gelation precipitates so that the settling velocity of particulate matter is drastically accelerated, and coagulated particles be able to can settle within the 5min times, be opened for this
It has issued rapid subsidence flocculant.And the work using the flocculant process slime water such as poly-aluminium and polyacrylamide conventional at present
Skill, the time required for depositing technology reach more than 30min, the method that load is usually precipitated using increasings such as tube settlings
It is difficult to the time for effectively shortening precipitation.
The beneficial effect comprise that the exploitation of quick flocculating agent highly shortened slime water flocculation sediment when
Between, for the less construction area in place, a selectable scheme is provided without by mud for the processing of slime water
Pulp-water outward transport can treatment in situ, so as to save substantial amounts of transhipment disposal expense.Meanwhile the research and development of quick flocculating agent, also cause
The efficiency of flocculation sediment has obtained greatly being lifted, and reduces the cost of sedimentation basin.
Preferably, described molysite is ferrous sulfate；Calcium salt is the mixing of calcium carbonate or calcium sulfate, or both
Thing.
Preferably, described anionic macromolecule organic is Sodium Polyacrylate.
Preferably, the weight of molysite and calcium salt ratio is 1 in described flocculant:9-4：6；In calcium salt using calcium carbonate with
Calcium sulfate, then the ratio of calcium carbonate and calcium sulfate is 2:8-5:5；Divalent ion type salt solid and anionic macromolecule are organic
The ratio of thing is 98:2-99.5:0.5.
A kind of purification method of slime water fast purification of the present invention, described method include：Mud raw water is passed through into lattice
Grid add the appropriate flocculant configured, the addition of flocculant is by after the suspension separation of bulky grain in mud raw water
The 1/1000-1/100 of sludge butt amount, more than 40s is thoroughly mixed, adds the mixed slime water of flocculant and enter precipitation
Pond is precipitated, and the supernatant by precipitation directly discharges, and the sludge after precipitation is outer after device for dehydrating sladge waste Direct Dehydration
Fortune.Into the slime water of this method processing, generally require and enter back into present treatment after grid is by the suspension separation of bulky grain
In system, to avoid the blocking or abrasion of equipment in subsequent technique.It is laggard that quick flocculating agent is added again by the raw water of grid
Enter sedimentation basin precipitation, the turbidity of supernatant can be discharged directly typically within 20NTU；Sludge after precipitation can pass through sludge
Dehydration equipment（Such as plate and frame filter press or belt type dewaterer）Direct Dehydration is transported outward to moisture content below 60%.
The waste sludge pulp-water of concrete mixing plant is recycled as concrete mixing water after precipitation, realizes stirring
Stand discarded object zero-emission, the pollution and can that this method can reduce to environment saves production cost to a certain extent.But method
The premise of middle comprehensive utilization slime water or the intermediate processing of slime water.Ferric trichloride is compared in R＆D process of the present invention, is gathered
Aluminium, Polyferric Sulfate, polyacrylamide（Anion and cation）And the flocculant of quaternary ammonium salt after the dehydrating effect of slime water to sending out
Existing, the Flokal B polyacrylamide of poly-aluminium and HMW most has with the use of the dehydration to pile engineering slurry water
Effect, there is wide development prospect, but the technique has flocculation sediment time length（The general sedimentation time is more than 30min-
60min）The problem of so that deposition facility is taken up an area excessive at the construction field (site), it is impossible to which slime water is just located in by satisfaction at the construction field (site)
The requirement of reason.Thus typically building site slime water outward transport strange land is handled in practice, by adding poly-aluminium and polyacrylamide etc.
Flocculant, sludge dewatering is transported outward after slime water is settled, and supernatant directly discharges.The processing mode adds high-moisture percentage
The expense of slime water outward transport, thus how the quick problem being treated as in the industry is carried out to slime water.
Therefore, the rapid subsidence flocculant and its application method that the present invention configures, significantly reduce slime water in precipitator
Time required for skill, 5min is usually no more than, so as to effectively save the volume of the occupation of land of device and device, can be greatly decreased
The cost of investment of slurry treatment system.
Embodiment
Below by embodiment, technical scheme is described in further detail.
Embodiment 1：The flocculant and its purification method of a kind of slime water fast purification of this example, certain construction site mud
Water, clay content 20%.Processing step is：The flocculant that 3.0g has been configured, the formula weight of flocculant are added in 2L mud raw waters
It is ferrous sulfate 30% to measure ratio, calcium sulfate 40%, calcium carbonate 28%, Sodium Polyacrylate 2%.1min is stirred, that is, bulk occurs
Flco, static 2min muddy water fast hierarchical, the turbidity of supernatant are down to 8.0NTU.
Embodiment 2：The flocculant and its purification method of a kind of slime water fast purification of this example, certain pile engineering slurry
Water, clay content 5%.Processing step is：The flocculant that 1.5g has been configured, the formula weight of flocculant are added in 2L mud raw waters
It is ferrous sulfate 55% to measure ratio, calcium sulfate 25%, calcium carbonate 19.5%, Sodium Polyacrylate 0.5%.1min is stirred, that is, is occurred
Bulk flco, static 2min muddy water fast hierarchical, the turbidity of supernatant are down to 4.0NTU.
The specific embodiment of the present invention is the foregoing is only, but the architectural feature of the present invention is not limited thereto, Ren Heben
The technical staff in field in the field of the invention, all cover among the scope of the claims of the present invention by the change or modification made.
Claims (5)
- A kind of 1. flocculant of slime water fast purification, it is characterised in that described flocculant by divalent ion type salt solid with Anionic macromolecule organic solid powder is thoroughly mixed configuration and formed, and wherein divalent ion type salt solid is calcium salt With the mixture of molysite.
- 2. the flocculant of a kind of slime water fast purification according to claim 1, it is characterised in that described molysite is sulphur It is sour ferrous；Calcium salt is the mixture of calcium carbonate or calcium sulfate, or both.
- A kind of 3. flocculant of slime water fast purification according to claim 1, it is characterised in that described anionic Macromolecule organic is Sodium Polyacrylate.
- 4. the flocculant of a kind of slime water fast purification according to claim 1, it is characterised in that in described flocculant The weight of molysite and calcium salt ratio is 1:9-4：6；Calcium carbonate and calcium sulfate are used in calcium salt, then the ratio of calcium carbonate and calcium sulfate is 2:8-5:5；The ratio of divalent ion type salt solid and anionic macromolecule organic is 98:2-99.5:0.5.
- 5. a kind of purification method of slime water fast purification, it is characterised in that described method includes：Mud raw water is passed through into lattice Grid add the appropriate flocculant configured, the addition of flocculant is by after the suspension separation of bulky grain in mud raw water The 1/1000-1/100 of sludge butt amount, more than 40s is thoroughly mixed, adds the mixed slime water of flocculant and enter precipitation Pond is precipitated, and the supernatant by precipitation directly discharges, and the sludge after precipitation is outer after device for dehydrating sladge waste Direct Dehydration Fortune.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765465.XA CN107473352A (en) | 2017-08-30 | 2017-08-30 | A kind of flocculant and its purification method of slime water fast purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765465.XA CN107473352A (en) | 2017-08-30 | 2017-08-30 | A kind of flocculant and its purification method of slime water fast purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107473352A true CN107473352A (en) | 2017-12-15 |
Family
ID=60603892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710765465.XA Pending CN107473352A (en) | 2017-08-30 | 2017-08-30 | A kind of flocculant and its purification method of slime water fast purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107473352A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111265809A (en) * | 2020-03-29 | 2020-06-12 | 浙江红狮环保股份有限公司 | Preparation and application of high-chlorine fly ash washing agent |
| CN113620470A (en) * | 2021-08-25 | 2021-11-09 | 产学研(广州)环境服务有限公司 | Novel mud water purification equipment handles device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045757A (en) * | 1989-03-23 | 1990-10-03 | 株式会社伊萨基开发工机 | Handle the method for slime water |
| CN101708907A (en) * | 2009-11-28 | 2010-05-19 | 湖州鹿山坞矿业有限公司 | Silt and sewage treatment method |
| CN105199027A (en) * | 2015-10-20 | 2015-12-30 | 扬州大学 | Ammonium polyacrylate emulsion flocculating agent and preparation method thereof |
| CN105271486A (en) * | 2014-06-05 | 2016-01-27 | 颜笑天 | Sewage and sludge zero emission sewage treatment method |
-
2017
- 2017-08-30 CN CN201710765465.XA patent/CN107473352A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045757A (en) * | 1989-03-23 | 1990-10-03 | 株式会社伊萨基开发工机 | Handle the method for slime water |
| CN101708907A (en) * | 2009-11-28 | 2010-05-19 | 湖州鹿山坞矿业有限公司 | Silt and sewage treatment method |
| CN105271486A (en) * | 2014-06-05 | 2016-01-27 | 颜笑天 | Sewage and sludge zero emission sewage treatment method |
| CN105199027A (en) * | 2015-10-20 | 2015-12-30 | 扬州大学 | Ammonium polyacrylate emulsion flocculating agent and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 郝素娥等: "《食品添加剂制备与应用技术》", 31 March 2003, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111265809A (en) * | 2020-03-29 | 2020-06-12 | 浙江红狮环保股份有限公司 | Preparation and application of high-chlorine fly ash washing agent |
| CN113620470A (en) * | 2021-08-25 | 2021-11-09 | 产学研(广州)环境服务有限公司 | Novel mud water purification equipment handles device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3932275A (en) | Process for the treatment of mineral slimes | |
| CN101863608B (en) | Solid-liquid separation process for drilled pile waste mud | |
| CN101870546B (en) | River surge silt harmless and recycling treatment method | |
| US9725341B2 (en) | Methods for removing contaminants from aqueous systems | |
| CN105859068A (en) | Sludge treatment process | |
| CN204325024U (en) | A kind of novel lead-acid storage battery heavy metal waste water treatment system | |
| EA016958B1 (en) | Method of rehabilitation of a deposition area and use of a polymer for dewatering a suspension of particulate mineral material | |
| CN105130141A (en) | Continuous harmless treatment method and system for silt slurry | |
| CN109851190B (en) | Treatment system and treatment method for drying polluted bottom mud | |
| CN102153176A (en) | Attapulgite carrier flocculation water treatment agent and production method | |
| CN108083546A (en) | It is a kind of for the magnetic flocculation-enhanced film integrating device of oil sand tailing wastewater treatment and the processing method of oil sand tailing waste water | |
| CN103951114A (en) | Heavy metal wastewater tertiary treatment and deep purification recycling process | |
| CN101648731B (en) | Coking wastewater advanced treatment agent and application thereof | |
| CN104944480A (en) | Harmless treatment agent for waste drilling fluid | |
| CN107473352A (en) | A kind of flocculant and its purification method of slime water fast purification | |
| CN106396168B (en) | Marble effluent disposal system | |
| CN105293822B (en) | Coal chemical industry sewage disposal fundamental technology | |
| CN109942060A (en) | A kind of sewage treatment drug of mineral base flocks | |
| CN109467176B (en) | Use method of compound mineral medicament | |
| KR100313187B1 (en) | Rapid mixing coagulant system for treating wastewater and method thereof | |
| JP4144952B2 (en) | Purification methods for rivers and lakes | |
| CN104016567B (en) | A kind of mud magnetic dewatering agent and dewatering thereof | |
| CN113461304B (en) | Red mud-based mixed acid chemical conditioner special for deep dehydration of dehydrated sludge and use method thereof | |
| CN113946142A (en) | Automatic control treatment method for sludge dewatering process of sewage water of tap water plant | |
| CN104674785A (en) | Method for treating dredger fill foundation through flocculation combined with vacuum preloading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171215 |
|
| RJ01 | Rejection of invention patent application after publication |