CN109399777A - A kind for the treatment of process of the adsorption-flocculation for river water harnessing - Google Patents
A kind for the treatment of process of the adsorption-flocculation for river water harnessing Download PDFInfo
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- CN109399777A CN109399777A CN201811624361.8A CN201811624361A CN109399777A CN 109399777 A CN109399777 A CN 109399777A CN 201811624361 A CN201811624361 A CN 201811624361A CN 109399777 A CN109399777 A CN 109399777A
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- Prior art keywords
- river water
- flocculant
- polyglutamic acid
- flocculation
- adsorption
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- 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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to a kind for the treatment of process of adsorption-flocculation for river water harnessing, inorganic poly-aluminium flocculant is respectively adopted, absorption charge neutrality effect is carried out to pollutants such as suspended matter, colloid and organic matters in urban river water；Then enhanced coagulation is carried out using anionic polyglutamic acid calcium flocculant, further increases adsorption area, improved volume of building bridge and sweep ability, promote the sinking speed to pollutant, the moisture content of floccule body sludge is effectively reduced.Suspended matter, the COD etc. in water are effectively removed, flocculating setting effect is improved, and floccule body moisture percentage in sewage sludge can be effectively reduced, reduces the pressure of subsequent treatment process.Originally there is very useful application value to the improvement of urban river water, it can be achieved that the recycling of final floccule body sludge, reduces the working strength and difficulty manually desilted since polyglutamic acid type flocculant band is magnetic.
Description
Technical field
The present invention relates to a kind for the treatment of process of adsorption-flocculation for river water harnessing, can effectively effectively remove in water
Suspended matter, COD etc., improve flocculating setting effect etc., and floccule body moisture percentage in sewage sludge can be effectively reduced, realize returning for sludge
It receives, is used for river water treatment field.
Background technique
Coagulant sedimentation be widely used in water process, a kind of lower physical chemistry side of easy to operate and processing cost
Significant element during method and water treatment unit.Trade effluent is pre-processed with physico-chemical process such as flocculation sedimentations, it can be with
The suspended particulate in waste water is effectively removed, COD, NH in sewage are reduced3- N, heavy metal ion and coloration etc., improve waste water
Biodegradability.But the waste water of flocculant method processing at present can generate a large amount of high-moisture sludge, after this will increase sludge
Therefore the cost of phase transport and processing researches and develops novel flocculant and flocculation treatment process to improve the processing of traditional flocculant
Efficiency has a very important significance.
Conventional inorganic or organic flocculant is used in combination, and not can effectively improve while improving flocculating setting effect
The problem of flocculant moisture percentage in sewage sludge, this just increases subsequent Treatment of Sludge cost.This patent using two-step method to urban river water into
The effective adsorption-flocculation processing of row, uses liquid modifying poly-aluminium flocculant first, is acted in effective absorption water by charge neutrality
Suspended state particle and pollutant, then by anionic magnetism polyglutamic acid type flocculant reinforce to adsorption bridging act on, warp
The combination for crossing the two, can effectively reduce the moisture content of flocculant sludge, makes sludge reduction；The use of magnetic flocculant simultaneously
It can be conducive to the recycling of sludge, effectively lower the processing cost of sludge, this has huge hair to the industrial applications of flocculant
Exhibition prospect.
Summary of the invention
The problems such as flocculant moisture percentage in sewage sludge is high when handling urban river water for conventional flocculant, sludge difficulty recycles, the present invention
Purpose be propose a kind of adsorption-flocculation for river water harnessing treatment process,
The object of the invention is realized by following proposal: a kind for the treatment of process of the adsorption-flocculation for river water harnessing is successively adopted
Urban river water is handled with liquid modifying poly-aluminium inorganic flocculating agent and polyglutamic acid organic flocculant, is included the following steps:
(1) in tank, the 80% high urban river water of suspension content is added, the pH of regulation system changes to neutrality according to liquid
Property poly-aluminium flocculant and urban river water volume ratio be 1:(50 ~ 100) be added liquid modifying poly-aluminium inorganic flocculating agent, be thoroughly mixed
1min, standing sedimentation；
(2) polyglutamic acid type organic flocculant is added in fixed point in the urban river water into step (1) Jing Guo preliminary treatment, makes polyglutamic
The mass ratio of acid type flocculant and urban river water is (0.1 ~ 1): 10000, it can rapid subsidence after being thoroughly mixed；
(3) it will be inserted into polyglutamic acid flocculating agent release position using with magnetic iron staff, separation of solid and liquid can be realized.
The present invention is made using the cooperative reinforcing coagulation between inorganic poly-aluminium flocculant and anionic polyglutamic acid calcium flocculant
With the moisture content of floccule body sludge is effectively reduced to the sinking speed of pollutant in promotion, and utilizes magnetic properties, realizes wadding
The assigned spot recovery of solidifying body sludge.Not only technological operation is simple, can effectively shorten the sedimentation time, improves flocculating effect, and realize
Sludge reduction reduces subsequent recovery processing difficulty, has biggish development potentiality and application prospect.
The present invention is successively handled urban river water with polyglutamic acid organic flocculant using modified poly-aluminium inorganic flocculating agent,
It can effectively shorten the sedimentation time, realize the sedimentation of the fixed points such as suspended matter, pollutant, reduce the moisture content in floccule body sludge, be used for
Solve suspended matter in urban river water is more, handle after the water pollution problems such as moisture percentage in sewage sludge height.
The liquid modifying poly-aluminium inorganic flocculating agent is the modified liquid aluminium polychloride or bentonite of wood activated charcoal
Modified liquid palymeric aluminium sulfate.
The polyglutamic acid type flocculant is magnetic gamma-polyglutamic acid calcium flocculant.
The mixing time of the organic flocculant is 2 ~ 5min, and mixing speed is 400 ~ 600r/min.
Inorganic poly-aluminium flocculant is respectively adopted to adsorb the pollutants such as suspended matter, colloid and organic matter in urban river water
Charge neutrality effect；Then enhanced coagulation is carried out using anionic polyglutamic acid calcium flocculant, further increases adsorption area,
It improves volume of building bridge and sweeps ability, promote the sinking speed to pollutant, the moisture content of floccule body sludge is effectively reduced.Effectively remove water
In suspended matter, COD etc., improve flocculating setting effect, and floccule body moisture percentage in sewage sludge can be effectively reduced, reduce subsequent processing work
The pressure of skill.Originally since polyglutamic acid type flocculant band is magnetic, it can be achieved that the recycling of final floccule body sludge, is reduced artificial
The working strength and difficulty desilted has very useful application value to the improvement of urban river water.It can be used for solving urban river water
Middle suspended matter is more, the water pollution problems such as moisture percentage in sewage sludge height after processing.Successively using modified poly-aluminium inorganic flocculating agent and polyglutamic
Sour organic flocculant handles urban river water, can effectively shorten the sedimentation time, realizes the sedimentation of the fixed points such as suspended matter, pollutant,
Reduce the moisture content in floccule body sludge.
The present invention has the advantage that
(1) treatment process of a kind of adsorption-flocculation for river water harnessing proposed by the present invention is wadded a quilt with cotton using liquid modifying poly-aluminium
Cooperative reinforcing coagulation between solidifying agent and anionic polyglutamic acid calcium flocculant, effectively improves to organic matter, colloid, suspension
The adsorption capacities such as object, coagulant precipitation effect is prominent, and reduces the moisture content of floccule body sludge, using magnetic properties, realizes
The assigned spot recovery of floccule body sludge.
(2) liquid modifying poly-aluminium adhesive flocculant proposed by the present invention, be using porous adsorbing material as adsorbent into
Row compounds, and effectively increases absorption, the charge neutrality ability of conventional PAC flocculant, and wad a quilt with cotton in anionic polyglutamic acid
Under solidifying agent synergistic effect, increases and ability is caught to the net of contaminant particle, accelerate the coarsening rate of particle, improve flocculant
Flocculating setting effect, while gained floccule body moisture percentage in sewage sludge is low, effectively reduces the operating load of subsequent treatment process.
(3) second level flocculation treatment process proposed by the present invention is not only simple controllable, and operating cost is low, and adsorbs, coagulation
Significant effect efficiently solves the problems such as conventional treatment process treatment effeciency is low, sediment moisture content is big, difficult recycling, to urban river water
Processing up to standard have very useful value.
Specific embodiment
By embodiment, the present invention is described further.
Embodiment 1:
A kind for the treatment of process of the adsorption-flocculation for river water harnessing successively uses liquid modifying poly-aluminium inorganic flocculating agent and gathers
Glutamic acid organic flocculant handles urban river water, as follows:
(1) in the tank of certain volume, it is added the 80% high urban river water of suspension content, the pH of regulation system to neutrality,
It is that the modified liquid polymeric chlorine of liquid wood activated charcoal is added in 1:50 according to liquid modifying poly-aluminium flocculant and urban river water volume ratio
Change aluminium inorganic flocculating agent, is thoroughly mixed 1min, standing sedimentation；
It (2) is river of the 0.1:10000 in (1) Jing Guo preliminary treatment according to the mass ratio of polyglutamic acid type flocculant and urban river water
Polyglutamic acid type organic flocculant is added in fixed point in road water, is that 600r/min is sufficiently stirred after 5min mixing i.e. according to stirring rate
It can rapid subsidence；
(3) it will be inserted into polyglutamic acid flocculating agent release position using with magnetic iron staff, separation of solid and liquid can be realized.
Used secondary absorption flocculation is combined treatment process, and the removal efficiency in urban river water reaches 98.6%, sludge
Moisture content is 51.2%.
Embodiment 2:
A kind for the treatment of process of the adsorption-flocculation for river water harnessing successively uses liquid modifying poly-aluminium inorganic flocculating agent and gathers
Glutamic acid organic flocculant handles urban river water, as follows:
(1) in the tank of certain volume, it is added the 80% high urban river water of suspension content, the pH of regulation system to neutrality,
It is that the modified liquid polymeric chlorine of liquid wood activated charcoal is added in 1:100 according to liquid modifying poly-aluminium flocculant and urban river water volume ratio
Change aluminium inorganic flocculating agent, is thoroughly mixed 1min, standing sedimentation；
It (2) is river of the 1:10000 in (1) Jing Guo preliminary treatment according to the mass ratio of polyglutamic acid type flocculant and urban river water
Polyglutamic acid type organic flocculant is added in fixed point in water, is after 3min mixing is sufficiently stirred in 400r/min according to stirring rate
Rapid subsidence；
(3) it will be inserted into polyglutamic acid flocculating agent release position using with magnetic iron staff, separation of solid and liquid can be realized.
Used secondary absorption flocculation is combined treatment process, and the removal efficiency in urban river water reaches 97.8%, sludge
Moisture content is 66.5%.
Embodiment 3:
A kind for the treatment of process of the adsorption-flocculation for river water harnessing successively uses liquid modifying poly-aluminium inorganic flocculating agent and gathers
Glutamic acid organic flocculant handles urban river water, as follows:
(1) in the tank of certain volume, it is added the 80% high urban river water of suspension content, the pH of regulation system to neutrality,
It is that the modified liquid polymeric chlorine of liquid wood activated charcoal is added in 1:50 according to liquid modifying poly-aluminium flocculant and urban river water volume ratio
Change aluminium inorganic flocculating agent, is thoroughly mixed 1min, standing sedimentation；
It (2) is river of the 0.1:10000 in (1) Jing Guo preliminary treatment according to the mass ratio of polyglutamic acid type flocculant and urban river water
Polyglutamic acid type organic flocculant is added in fixed point in road water, is that 600r/min is sufficiently stirred after 2min mixing i.e. according to stirring rate
It can rapid subsidence；
(3) it will be inserted into polyglutamic acid flocculating agent release position using with magnetic iron staff, separation of solid and liquid can be realized.
Used secondary absorption flocculation is combined treatment process, and the removal efficiency in urban river water reaches 96.3%, sludge
Moisture content is 56.8%.
Embodiment 4:
A kind for the treatment of process of the adsorption-flocculation for river water harnessing successively uses liquid modifying poly-aluminium inorganic flocculating agent and gathers
Glutamic acid organic flocculant handles urban river water, as follows:
(1) in the tank of certain volume, it is added the 80% high urban river water of suspension content, the pH of regulation system to neutrality,
It is that the modified liquid polymeric chlorine of liquid wood activated charcoal is added in 1:50 according to liquid modifying poly-aluminium flocculant and urban river water volume ratio
Change aluminium inorganic flocculating agent, is thoroughly mixed 1min, standing sedimentation；
It (2) is river of the 1:10000 in (1) Jing Guo preliminary treatment according to the mass ratio of polyglutamic acid type flocculant and urban river water
Polyglutamic acid type organic flocculant is added in fixed point in water, is after 2min mixing is sufficiently stirred in 400r/min according to stirring rate
Rapid subsidence；
(3) it will be inserted into polyglutamic acid flocculating agent release position using with magnetic iron staff, separation of solid and liquid can be realized.
Used secondary absorption flocculation is combined treatment process, and the removal efficiency in urban river water reaches 97.9%, sludge
Moisture content is 60.2%.
Claims (4)
1. a kind for the treatment of process of the adsorption-flocculation for river water harnessing, which is characterized in that successively use liquid modifying poly-aluminium
Inorganic flocculating agent is handled urban river water with polyglutamic acid organic flocculant, is included the following steps:
(1) in tank, the 80% high urban river water of suspension content is added, the pH of regulation system changes to neutrality according to liquid
Property poly-aluminium flocculant and urban river water volume ratio be 1:(50 ~ 100) be added liquid modifying poly-aluminium inorganic flocculating agent, be thoroughly mixed
1min, standing sedimentation；
(2) polyglutamic acid type organic flocculant is added in fixed point in the urban river water into step (1) Jing Guo preliminary treatment, makes polyglutamic
The mass ratio of acid type flocculant and urban river water is (0.1 ~ 1): 10000, it can rapid subsidence after being thoroughly mixed；
(3) it will be inserted into polyglutamic acid flocculating agent release position using with magnetic iron staff, separation of solid and liquid can be realized.
2. the treatment process described according to claim 1 for the adsorption-flocculation of river water harnessing, it is characterised in that described
Liquid modifying poly-aluminium inorganic flocculating agent is the modified liquid aluminium polychloride or bentonite modified liquid polymeric of wood activated charcoal
Aluminum sulfate.
3. the treatment process described according to claim 1 for the adsorption-flocculation of river water harnessing, it is characterised in that described
Polyglutamic acid type flocculant is magnetic gamma-polyglutamic acid calcium flocculant.
4. the treatment process described according to claim 1 for the adsorption-flocculation of river water harnessing, it is characterised in that described
The mixing time of organic flocculant is 2 ~ 5min, and mixing speed is 400 ~ 600r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624361.8A CN109399777A (en) | 2018-12-28 | 2018-12-28 | A kind for the treatment of process of the adsorption-flocculation for river water harnessing |
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| CN201811624361.8A CN109399777A (en) | 2018-12-28 | 2018-12-28 | A kind for the treatment of process of the adsorption-flocculation for river water harnessing |
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| CN201811624361.8A Pending CN109399777A (en) | 2018-12-28 | 2018-12-28 | A kind for the treatment of process of the adsorption-flocculation for river water harnessing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104836A (en) * | 2019-06-02 | 2019-08-09 | 上海纳米技术及应用国家工程研究中心有限公司 | A kind of enhanced processing method suitable for water-base cutting fluid waste water |
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| WO2008105521A1 (en) * | 2007-02-28 | 2008-09-04 | Nippon Poly-Glu Co., Ltd. | Magnetic flocculating agent, method for production thereof, and method for purification of water using magnetic flocculating agent |
| JP2012035173A (en) * | 2010-08-05 | 2012-02-23 | Poly-Glu Trading Co Ltd | Water purification apparatus and method |
| CN107311340A (en) * | 2017-06-26 | 2017-11-03 | 彤程化学（中国）有限公司 | A kind of processing method of boracic, fluorine containing organic waste water |
| CN108217893A (en) * | 2018-01-17 | 2018-06-29 | 水友环保技术（苏州）有限公司 | For the heavy metal ion adsorbed biological composite flocculation agent of heavy metal wastewater thereby and application |
-
2018
- 2018-12-28 CN CN201811624361.8A patent/CN109399777A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008105521A1 (en) * | 2007-02-28 | 2008-09-04 | Nippon Poly-Glu Co., Ltd. | Magnetic flocculating agent, method for production thereof, and method for purification of water using magnetic flocculating agent |
| JP2012035173A (en) * | 2010-08-05 | 2012-02-23 | Poly-Glu Trading Co Ltd | Water purification apparatus and method |
| CN107311340A (en) * | 2017-06-26 | 2017-11-03 | 彤程化学（中国）有限公司 | A kind of processing method of boracic, fluorine containing organic waste water |
| CN108217893A (en) * | 2018-01-17 | 2018-06-29 | 水友环保技术（苏州）有限公司 | For the heavy metal ion adsorbed biological composite flocculation agent of heavy metal wastewater thereby and application |
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| 商平等: "《环境矿物材料》", 31 January 2008, 化学工业出版社 * |
| 王玥婷等: "新型复合絮凝剂γ-PGACa的性能研究", 《广东化工》 * |
| 祁鲁梁等: "《水处理药剂及材料实用手册》", 31 March 2000, 中国石化出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104836A (en) * | 2019-06-02 | 2019-08-09 | 上海纳米技术及应用国家工程研究中心有限公司 | A kind of enhanced processing method suitable for water-base cutting fluid waste water |
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Application publication date: 20190301 |