CN105198119B - Technology for treating solar cell panel production wastewater - Google Patents
Technology for treating solar cell panel production wastewater Download PDFInfo
- Publication number
- CN105198119B CN105198119B CN201510602164.6A CN201510602164A CN105198119B CN 105198119 B CN105198119 B CN 105198119B CN 201510602164 A CN201510602164 A CN 201510602164A CN 105198119 B CN105198119 B CN 105198119B
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- Prior art keywords
- waste water
- wastewater
- water
- panel production
- production wastewater
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention discloses a technology for treating solar cell panel production wastewater, and relates to the field of water treatment. The technology includes the following steps that carborundum in the wastewater is removed through a horizontal flow grit basin; the wastewater is introduced into an adjustment settling basin, the quality and the amount of the wastewater are adjusted to enable the wastewater to be steady, and silt impurities in the wastewater are removed in a settled mode; the wastewater is introduced into a neutralizing and flocculating basin, neutralizers are added to adjust the pH value of the wastewater, and flocculation aids and flocculants are added to be sufficiently mixed to accelerate settling; the wastewater is introduced into a slant pipe settling basin, and sludge in the wastewater is removed and delivered outside; the wastewater is introduced into an adsorption filtering basin, adsorbents and catalysts are added, cationic surface active agents in the wastewater are adsorbed, and polyethylene glycol is removed; the waste water is introduced into an organism absorption tower, adsorbents and catalysts are added to adsorb polyethylene glycol in the water, remaining cationic surface active agents are removed, and treatment of the wastewater is completed. Different pollutants are respectively treated, device investment and capital construction investment are saved, running cost is reduced, and it is also guaranteed that the water obtained after treatment is discharged in a completely-qualified mode.
Description
Technical field
The present invention relates to water treatment field, and in particular to a kind of solar panel production wastewater treatment technique.
Background technology
Solar panel production waste is mainly derived from cutting wastewater and cleaning waste water, wherein cutting waste liquor main component
For：Corundum, silica flour, Polyethylene Glycol, cleaning waste water also contains cationic surfactant in addition to three of the above material.
Corundum and silica flour are removed using advection settling pit and coagulant sedimentation；Polyethylene Glycol and cationic surfactant
Removal it is more complicated, traditional method mainly has：Flocculent precipitation, chemical oxidization method, absorption method, embrane method, biochemical method etc..Its
Middle flocculent precipitation is not obvious for cationic surfactant removal effect；Chemical oxidization method high energy consumption；Absorption method is for poly-
Ethylene glycol and cationic surfactant have adsorption, but, the operating cost of absorption method how is reduced, it is to solve
Key；Embrane method can also effectively remove Polyethylene Glycol and cationic surfactant, but, ultrafilter membrane is for macromolecule
(be more than 6000 molecular weight) solution, can with recycling design, but the Organic substance of small-molecular-weight, but without any effect；Nanofiltration
Film and reverse osmosis membrane are too high for the requirement of pretreatment, and one-time investment expense is also higher.Cationic surfactant has anti-
Bacterium property and coagulation, degradation capability is weaker, it is considered that be not suitable for carrying out biochemical treatment.
Status both at home and abroad and development trend, show according to related data：Both at home and abroad to solar panel production wastewater treatment
Technical study is more rare, and research emphasis are still in terms of high fluorine waste water and denitrogenation.Solar panel produces the main next of waste water
Source is cutting wastewater and cleaning waste water, and main component is corundum, silica flour, Polyethylene Glycol and cationic surfactant.Tradition
Processing method be that physical removal and biochemical process are combined and processed, but there are problems that high energy consumption, investment cost.Facing mankind
Limited conventional energy resource and the dual-pressure of environmental pollution, solar energy is widely used as clean energy resource, as the mankind are to society
Can and environmental problem attention rate raising, solaode will welcome broader market, and incident sewage disposal
Technique also inherently causes increasing social concerns.
For these reasons, the scheme for having selected different pollutant to process respectively, had both saved equipment and capital expenditure, and
Operating cost is reduced, while the water after also guarantee is processed reaches complete qualified discharge.
The content of the invention
The technical problem to be solved is to provide a kind of different pollutant and processes respectively, cost-effective and process
Water afterwards reaches a kind of solar panel production wastewater treatment technique of discharge standard.
To solve above-mentioned technical problem, the technical solution used in the present invention is：
A kind of solar panel production wastewater treatment technique, it is characterised in that：The waste water treatment process includes following step
Suddenly：
(1) horizontal-flow grit chamber removes the corundum in waste water, artificial scarfing cinder using gravity；
(2) waste water that Jing steps (1) are processed is passed through regulation sedimentation tank, adjusts the water quality and the water yield of waste water, is allowed to tend to flat
Surely, precipitation removes silt impurity in waste water；
(3) waste water that Jing steps (2) are processed is passed through neutralization flocculation basin, adds nertralizer to adjust waste water in neutralization flocculation basin
PH value, add flocculation aid, flocculant and waste water to be sufficiently mixed；
(4) waste water that Jing steps (3) are processed is passed through tube settler, and precipitation removes the sludge in waste water, and sludge is arranged
In entering sludge concentration tank；
(5) waste water that Jing steps (4) are processed is passed through adsorption filter, and adsorbent and catalyst are added into adsorption filter, uses
Cationic surfactant in absorption waste water, removes Polyethylene Glycol；
(6) Jing steps (5) process waste water be passed through in organic matter absorption tower, in organic matter absorption tower add adsorbent and
Catalyst, adsorbs the Polyethylene Glycol in water, removes remainder cationic surfactant, that is, complete the process to the waste water.
Further technical scheme is：Nertralizer described in step (3) is sodium hydroxide, and flocculation aid is polyaluminium
Aluminum, flocculant is polyacrylamide.
Further technical scheme is：Adsorbent described in step (5) is flyash, and catalyst is sodium hydroxide.
Further technical scheme is：Adsorbent described in step (6) is granule activated carbon, and catalyst is polymerised sulphur
Sour ferrum.
Further technical scheme is：The supernatant of step (4) sludge concentration tank flows back into regulation sedimentation tank,
Sludge transport is to filter press, the mud cake outward transport of compression.
Further technical scheme is：Activated carbon after adsorption saturation carries out external regeneration using regenerating furnace.
It is using the beneficial effect produced by above-mentioned technical proposal：
Different pollutant are processed respectively, and using coagulating sedimentation physical impurity is removed, and absorption method removes the poly- second two in waste water
Alcohol and cationic surfactant, had both saved equipment and capital expenditure, and operating cost is reduced again, while after also guarantee is processed
Water reach complete qualified discharge.
Description of the drawings
With reference to the accompanying drawings and detailed description the present invention is further detailed explanation.
Fig. 1 is the principle schematic of the present invention.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that described embodiment a part of embodiment only of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Many details are elaborated in the following description in order to fully understand the present invention, but the present invention can be with
It is different from alternate manner described here to implement using other, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As shown in figure 1, a kind of solar panel production wastewater treatment technique, the waste water treatment process includes following step
Suddenly：
(1) horizontal-flow grit chamber removes the corundum in waste water, artificial scarfing cinder using gravity；
(2) waste water that Jing steps (1) are processed is passed through regulation sedimentation tank, adjusts the water quality and the water yield of waste water, is allowed to tend to flat
Surely, precipitation removes silt impurity in waste water；
(3) waste water that Jing steps (2) are processed is passed through neutralization flocculation basin, adds nertralizer to adjust waste water in neutralization flocculation basin
PH value, add flocculation aid, flocculant and waste water to be sufficiently mixed；
(4) waste water that Jing steps (3) are processed is passed through tube settler, and precipitation removes the sludge in waste water, and sludge is arranged
In entering sludge concentration tank；
(5) waste water that Jing steps (4) are processed is passed through adsorption filter, and adsorbent and catalyst are added into adsorption filter, uses
Cationic surfactant in absorption waste water, removes Polyethylene Glycol；
(6) Jing steps (5) process waste water be passed through in organic matter absorption tower, in organic matter absorption tower add adsorbent and
Catalyst, adsorbs the Polyethylene Glycol in water, removes remainder cationic surfactant, that is, complete the process to the waste water.
Further preferred：Nertralizer described in step (3) is sodium hydroxide, and flocculation aid is aluminium polychlorid, flocculant
For polyacrylamide.Adsorbent described in step (5) is flyash, and catalyst is sodium hydroxide.Adsorbent described in step (6)
For granule activated carbon, catalyst is bodied ferric sulfate.
Further preferred：The supernatant of step (4) sludge concentration tank flows back into regulation sedimentation tank, sludge transport
To filter press, the mud cake outward transport of compression.
Further preferred：Activated carbon after adsorption saturation carries out external regeneration using regenerating furnace.
Horizontal-flow grit chamber is because, containing substantial amounts of corundum, corundum is great broken for the abrasion of impeller of pump in waste water
Bad power, so to remove it before using sludge lifting pump, horizontal-flow grit chamber, than shallower, is again using the effect of gravity
Specially carry out desanding, so being easier cleaning, and separate with other precipitate, corundum content is purer, wherein gold
Emery periodic cleaning, the corundum for cleaning out can be sold.
Water quality and the water yield that sedimentation tank adjusts waste water are adjusted, is allowed to tend to be steady, and play precipitation, remove mud in waste water
The impurity such as sand, sludge transports process after sludge system makees dried.
Add nertralizer to adjust the pH value of waste water in neutralization flocculation basin, add PAC, PAM and waste water is sufficiently mixed as rear
Continuous precipitation creates conditions.Aluminium polychlorid is also referred to as aluminium chlorhydroxide code name PAC, commonly referred to as water purification agent or coagulant.Poly- third
Acrylamide is abridged PAM, is domestic conventional nonionic high polymer coagulant, molecular weight 1,500,000-2,000 ten thousand, commodity concentration one
As be 8%.Organic polymer coargulator is acted on the resulting huge surface adsorption of bigger flco is formed between granule.
Tube settler separates the mud mixture in waste water, and supernatant flow to adsorption filter from cell body top, and bottom is then
Sludge is entered in sludge concentration tank by the static pressure of water.
The Main Function of adsorption filter is to adsorb the cationic surfactant in waste water, and absorption is added into adsorption filter
Agent, preferred flyash, addition sodium hydroxide after, it for the adsorption rate of cationic surfactant can reach 90% with
On, while part Polyethylene Glycol can also be removed, the flyash after adsorption saturation is also used as construction material and uses, running cost
With very low.
The Main Function of organic matter absorption tower is using the Polyethylene Glycol in little particle activated carbon adsorption water, Adsorption of Organic
Adsorbent is loaded in tower, preferred little particle activated carbon, chemicals dosing plant is added after catalyst in organic matter absorption tower, it for
The adsorption rate of Polyethylene Glycol can reach more than 92%, while remainder cationic surfactant can also be removed, adsorb
Activated carbon after saturation carries out external regeneration using regenerating furnace, and operating cost is also very low.
Sludge concentration tank thickened sludge, so as to sludge outward transport.Clear water reserviors and intermediate pool are used for storing and regulating pondage.
The present invention is processed respectively using different pollutant, and using coagulating sedimentation physical impurity is removed, and absorption method removes waste water
In Polyethylene Glycol and cationic surfactant, can both save equipment and capital expenditure, operating cost is reduced again, while
Also the water after guarantee is processed reaches complete qualified discharge.
Claims (6)
1. a kind of solar panel production wastewater treatment technique, it is characterised in that：The waste water treatment process is comprised the following steps：
(1) horizontal-flow grit chamber removes the corundum in waste water, artificial scarfing cinder using gravity；
(2) waste water that Jing steps (1) are processed is passed through regulation sedimentation tank, adjusts the water quality and the water yield of waste water, is allowed to tend to be steady, and sinks
Form sediment and remove silt impurity in waste water；
(3) waste water that Jing steps (2) are processed is passed through neutralization flocculation basin, adds nertralizer to adjust the pH of waste water in neutralization flocculation basin
Value, adds flocculation aid, flocculant and waste water to be sufficiently mixed；
(4) waste water that Jing steps (3) are processed is passed through tube settler, and precipitation removes the sludge in waste water, and sludge is entered into dirt
In mud thickener；
(5) waste water that Jing steps (4) are processed is passed through adsorption filter, adsorbent and catalyst is added into adsorption filter, for inhaling
Cationic surfactant in attached waste water, removes Polyethylene Glycol；
(6) waste water that Jing steps (5) are processed is passed through in organic matter absorption tower, and adsorbent and catalysis are added in organic matter absorption tower
Agent, adsorbs the Polyethylene Glycol in water, removes remainder cationic surfactant, that is, complete the process to the waste water.
2. a kind of solar panel production wastewater treatment technique according to claim 1, it is characterised in that：Step (3)
Described nertralizer is sodium hydroxide, and flocculation aid is aluminium polychlorid, and flocculant is polyacrylamide.
3. a kind of solar panel production wastewater treatment technique according to claim 1, it is characterised in that：Step (5)
Described adsorbent is flyash, and catalyst is sodium hydroxide.
4. a kind of solar panel production wastewater treatment technique according to claim 1, it is characterised in that：Step (6)
Described adsorbent is granule activated carbon, and catalyst is bodied ferric sulfate.
5. a kind of solar panel production wastewater treatment technique according to claim 1, it is characterised in that：Step (4)
The supernatant of the sludge concentration tank flows back into regulation sedimentation tank, and sludge transport to filter press, the mud cake of compression is transported outward.
6. a kind of solar panel production wastewater treatment technique according to claim 4, it is characterised in that：Adsorption saturation
Activated carbon afterwards carries out external regeneration using regenerating furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510602164.6A CN105198119B (en) | 2015-09-21 | 2015-09-21 | Technology for treating solar cell panel production wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510602164.6A CN105198119B (en) | 2015-09-21 | 2015-09-21 | Technology for treating solar cell panel production wastewater |
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| CN105198119A CN105198119A (en) | 2015-12-30 |
| CN105198119B true CN105198119B (en) | 2017-05-03 |
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| CN201510602164.6A Expired - Fee Related CN105198119B (en) | 2015-09-21 | 2015-09-21 | Technology for treating solar cell panel production wastewater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105836932A (en) * | 2016-06-12 | 2016-08-10 | 贵州晨辉达矿业工程设计有限公司 | Method for treating wastewater containing sediment |
| CN106082530A (en) * | 2016-06-17 | 2016-11-09 | 云南今业生态建设集团有限公司 | A kind of integrated treatment photovoltaic energy enterprise productive life method of wastewater treatment |
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| JP4953577B2 (en) * | 2005-02-18 | 2012-06-13 | メタウォーター株式会社 | Ammonia supply method to hydrogen conversion catalyst |
| CN1289413C (en) * | 2005-03-31 | 2006-12-13 | 苏州市环境工程有限责任公司 | Technique for processing reclamation of industrial wastewater from printing electronic circuit board |
| AU2011336423B2 (en) * | 2010-12-02 | 2016-11-10 | Frederick Douglas Sr. | Method for treating a variety of wastewater streams |
| CN103086569B (en) * | 2013-01-08 | 2014-09-10 | 华南理工大学 | Method for detoxifying, emission-reducing and deeply treating wastewater of electronic electroplating industry |
| CN103482783A (en) * | 2013-09-12 | 2014-01-01 | 安徽省绿巨人环境技术有限公司 | Treatment process for plumbic acid waste water generated in production process of lead storage batteries |
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