CN106277449A - The processing method of acidic industrial effluent - Google Patents
The processing method of acidic industrial effluent Download PDFInfo
- Publication number
- CN106277449A CN106277449A CN201610747625.3A CN201610747625A CN106277449A CN 106277449 A CN106277449 A CN 106277449A CN 201610747625 A CN201610747625 A CN 201610747625A CN 106277449 A CN106277449 A CN 106277449A
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- Prior art keywords
- processing method
- industrial effluent
- filtration
- filter
- acidic industrial
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to the processing method of a kind of acidic industrial effluent, it comprises the following steps: A, acidic industrial effluent flow through multiple grid, adds flocculant flocculation, and is blown into air, then settlement treatment；B, enter acid-alkali accommodation pond, first sterilize with antibacterial, then with alkali by its pH regulator to 35；Activated carbon filtering technique is used to filter after C, addition reducing agent, then settlement treatment；D, first employing security personnel filtering technique filter, and then use micro-filtrate membrane filtration process filtration, then use ultrafiltration membrance filter process filtration, finally use the filtration of anti-seepage membrane filtering technique, i.e. obtain meeting the discharge water of environmental protection standard；Compared with prior art, the inventive method both can neutralize acidic industrial effluent simply, easily and efficiently, float in the most removable water, metal-oxide, colloid, Organic substance, antibacterial etc., not only can process acidic industrial effluent economical, efficiently, in a large number, simple to operate, operating cost is low, saving floor space, and high treating effect.
Description
Technical field
The present invention relates to chemical field, particularly relate to the processing method of a kind of industrial wastewater.
Background technology
In recent years, along with industry discharges such as the fast development of China's industry, some chemical industry, pharmacy, papermaking, food, fermentations
Substantial amounts of high solubility sulfate-containing organic wastewater is in natural, ecological water body.In water body, the sulfate of excess is possible not only to make water body
Smelly, water quality degenerates, and can strongly limit the growth of aquatile and plant, causes the salination of Soil Surrounding, in a word
What its water body caused, soil pollution were just becoming be on the rise and causes the extensive concern of people.
Industrial wastewater refers to waste water, sewage and the waste liquid produced in industrial processes, wherein contains the work outflowed with water
Industry produces the pollutant produced in materials, intermediate product and product and production process.Along with developing rapidly of industry, waste water
Kind and quantity rapidly increase, and the pollution to water body is the most extensive and serious, threatens the health and safety of the mankind.
Industrial wastewater generally has following three kinds of classification:
The first is by the chemical property classification of major pollutants contained in industrial wastewater, is main to be containing inorganic pollution
Inorganic wastewater, is main for organic wastewater containing organic pollution.Such as electroplating wastewater and the waste water of the mineral course of processing, be inorganic
Waste water；Food or the waste water of petroleum refining process, be organic wastewater.
The second is the product by industrial undertaking and processing object classification, as Metallurgical Waste Water, paper waste, coke-oven gas give up
Water, pickling of metal waste water, chemical fertilizer waste water, textile printing and dyeing wastewater, waste water from dyestuff, leather-making waste water, agricultural chemicals waste water, power station waste water
Deng.
The third is the main component classification by pollutant contained in waste water, such as acid waste water, alkaline waste water, gives up containing cyanogen
Water, chromate waste water, cadmium wastewater, mercury-containing waste water, phenol wastewater, aldehyde-containing sewage, oily waste water, sulfur-containing waste water, containing organophosphor give up
Water and radioactive wastewater etc..
First two classification method is not related in waste water the main component of contained pollutant, can not show the hazardness of waste water.
The third classification method, it is manifestly intended that the composition of major pollutants in waste water, can be shown that the hazardness that waste water is certain.The most also have
Major pollutants in waste water are summarized as three classes: the first kind is useless by the difficulty processed from waste water and the hazardness of waste water
Heat, essentially from cooling water, cooling water can be with reuse；Equations of The Second Kind is Conventional pollution, i.e. without overt toxicity and be prone to biological
The material of degraded, including biodegradable Organic substance, can be as the compound of biological nutrient, and suspended solid etc.；The
Three classes are toxic pollutant, i.e. containing the toxic and don't material of easily biological-degradable, including heavy metal, toxic compounds be difficult to
The organic compound etc. being biodegradable.
Existing acidic industrial waste water processing method and system can not a large amount of dirts processing chemical industry discharge economic, effective
Water.
Summary of the invention
The technical problem to be solved be to provide a kind of can economical, efficiently, a large amount of acid processing chemical industries discharge
The processing method of the acidic industrial effluent of property sewage and high treating effect.
The technical scheme is that
A kind of processing method of acidic industrial effluent, it comprises the following steps:
A, initial filter and sedimentation
First acidic industrial effluent is flowed through multiple grid, then drains into Sedimentation tank, add flocculant and flocculate, and be blown into
Air, then carry out settlement treatment, i.e. obtain the supernatant of industrial wastewater；
B, sterilize and regulate pH-value
Industrial wastewater supernatant described in step A is entered acid-alkali accommodation pond, first sterilizes with antibacterial, then use alkali
By its pH regulator to 3-5, the industrial wastewater after the most adjusted pH-value；
C, activated carbon filter
After industrial wastewater after the regulation pH-value described in step B adds reducing agent, use activated carbon filtering technique
Carry out filtration treatment, then carry out settlement treatment, the industrial wastewater after i.e. being filtered；
D, membrane filtration
Industrial wastewater after filtration described in step C first uses security personnel's filtering technique carry out filtration treatment, then adopts
Carry out filtration treatment by micro-filtrate membrane filtration technique, then use ultrafiltration membrance filter technique to carry out filtration treatment, finally use anti-seepage membrane
Filtering technique carries out filtration treatment, i.e. can obtain meeting the discharge water of environmental protection standard.
On the basis of technique scheme, the present invention can also do following improvement.
As a kind of preferred implementation of the present invention, in step, the grid gap of multiple described grid is gradually reduced.
As the another kind of preferred implementation of the present invention, in step, described flocculant is aluminium polychlorid, adds
Amount is 5-65ppm.
As the another kind of preferred implementation of the present invention, in step, in Sedimentation tank, the air of 5-20min it is blown into.
As the another kind of preferred implementation of the present invention, in step, settlement treatment 1-5min.
As the another kind of preferred implementation of the present invention, in stepb, described antibacterial is dithiocyano-methane, adds
Dosage is 15-55ppm.
As the another kind of preferred implementation of the present invention, in stepb, described alkali is sodium hydroxide.
Activated carbon as the another kind of preferred implementation of the present invention, in step C, in described activated carbon filtering technique
For granular active carbon.
As the another kind of preferred implementation of the present invention, in step C, settlement treatment 3-15min.
As the another kind of preferred implementation of the present invention, in step D, described security personnel's filtering technique uses security personnel to filter
Device, described micro-filtrate membrane filtration technique uses microporous filtration, and described ultrafiltration membrance filter technique uses ultrafiltration membrane filter, described
Anti-seepage membrane filtering technique uses reverse osmosis membrane filt.
Compared with prior art, the invention has the beneficial effects as follows:
The inventive method can either neutralize acidic industrial effluent and reach the discharge standard of industrial wastewater pH-value, the most right
Float in water, metal-oxide, colloid, Organic substance, antibacterial etc. all have preferable removal effect, not only can be economical, high
Effect, a large amount of sour water processing chemical industry discharge, simple to operate, operating cost is low, can save floor space, easily realizes automatically
Control, and high treating effect, the discharge water obtained complies fully with environmental emission standard.
Below the preferred forms of the present invention is described in further details.
A kind of processing method of acidic industrial effluent, it comprises the following steps:
A, initial filter and sedimentation
First acidic industrial effluent is flowed through the multiple grid that grid gap is gradually reduced, then drains into Sedimentation tank, add 5-65ppm
Flocculant (aluminium polychlorid) flocculates, and is blown into the air of 5-20min, then carries out settlement treatment 1-5min, i.e. obtains work
The supernatant of industry waste water；
B, sterilize and regulate pH-value
Industrial wastewater supernatant described in step A is entered acid-alkali accommodation pond, first with antibacterial (two sulfur of 15-55ppm
Cyano group methane) sterilize, then with alkali (sodium hydroxide) by its pH regulator to 3-5, the Industry Waste after the most adjusted pH-value
Water；
C, activated carbon filter
After industrial wastewater after the regulation pH-value described in step B adds reducing agent, use activated carbon filtering technique
(employing granular active carbon) carries out filtration treatment, then carries out settlement treatment 3-15min, the industrial wastewater after i.e. being filtered；
D, membrane filtration
First security personnel's filtering technique (cartridge filter) are used to filter the industrial wastewater after the filtration described in step C
Process, then use micro-filtrate membrane filtration technique (microporous filtration) to carry out filtration treatment, then use ultrafiltration membrance filter technique (super
Membrane filter) carry out filtration treatment, finally use anti-seepage membrane filtering technique (reverse osmosis membrane filt) to carry out filtration treatment, i.e.
Can obtain meeting the discharge water of environmental protection standard.
Detailed description of the invention
Principle and feature to the present invention are described below, and example is served only for explaining the present invention, is not intended to limit
Determine the scope of the present invention.
Embodiment 1
A kind of processing method of acidic industrial effluent, it comprises the following steps:
A, initial filter and sedimentation
First acidic industrial effluent is flowed through triple grids that grid gap is gradually reduced, then drains into Sedimentation tank, add 5ppm's
Flocculant (aluminium polychlorid) flocculates, and is blown into the air of 5min, then carries out settlement treatment 1min, i.e. obtains industrial wastewater
Supernatant；
B, sterilize and regulate pH-value
Industrial wastewater supernatant described in step A is entered acid-alkali accommodation pond, first with antibacterial (the two sulfur cyanogen of 15ppm
Methylmethane) sterilize, then with alkali (sodium hydroxide) by its pH regulator to 3, during regulation, mixing speed is 100r/min, i.e.
Industrial wastewater after adjusted pH-value；
C, activated carbon filter
After industrial wastewater after the regulation pH-value described in step B adds reducing agent, use activated carbon filtering technique
(employing granular active carbon) carries out filtration treatment, then carries out settlement treatment 3min, the industrial wastewater after i.e. being filtered；
D, membrane filtration
First security personnel's filtering technique (cartridge filter) are used to filter the industrial wastewater after the filtration described in step C
Process, then use micro-filtrate membrane filtration technique (microporous filtration) to carry out filtration treatment, then use ultrafiltration membrance filter technique (super
Membrane filter) carry out filtration treatment, finally use anti-seepage membrane filtering technique (reverse osmosis membrane filt) to carry out filtration treatment, i.e.
Can obtain meeting the discharge water of environmental protection standard.
Embodiment 2
A kind of processing method of acidic industrial effluent, it comprises the following steps:
A, initial filter and sedimentation
First acidic industrial effluent is flowed through the quadruple grid that grid gap is gradually reduced, then drains into Sedimentation tank, add 35ppm's
Flocculant (aluminium polychlorid) flocculates, and is blown into the air of 12min, then carries out settlement treatment 3min, i.e. obtains Industry Waste
The supernatant of water；
B, sterilize and regulate pH-value
Industrial wastewater supernatant described in step A is entered acid-alkali accommodation pond, first with antibacterial (the two sulfur cyanogen of 35ppm
Methylmethane) sterilize, then with alkali (sodium hydroxide) by its pH regulator to 4, during regulation, mixing speed is 120r/min, i.e.
Industrial wastewater after adjusted pH-value；
C, activated carbon filter
After industrial wastewater after the regulation pH-value described in step B adds reducing agent, use activated carbon filtering technique
(employing granular active carbon) carries out filtration treatment, then carries out settlement treatment 9min, the industrial wastewater after i.e. being filtered；
D, membrane filtration
First security personnel's filtering technique (cartridge filter) are used to filter the industrial wastewater after the filtration described in step C
Process, then use micro-filtrate membrane filtration technique (microporous filtration) to carry out filtration treatment, then use ultrafiltration membrance filter technique (super
Membrane filter) carry out filtration treatment, finally use anti-seepage membrane filtering technique (reverse osmosis membrane filt) to carry out filtration treatment, i.e.
Can obtain meeting the discharge water of environmental protection standard.
Embodiment 3
A kind of processing method of acidic industrial effluent, it comprises the following steps:
A, initial filter and sedimentation
First acidic industrial effluent is flowed through the five weight grids that grid gap is gradually reduced, then drains into Sedimentation tank, add 65ppm's
Flocculant (aluminium polychlorid) flocculates, and is blown into the air of 20min, then carries out settlement treatment 5min, i.e. obtains Industry Waste
The supernatant of water；
B, sterilize and regulate pH-value
Industrial wastewater supernatant described in step A is entered acid-alkali accommodation pond, first with antibacterial (the two sulfur cyanogen of 55ppm
Methylmethane) sterilize, then with alkali (sodium hydroxide) by its pH regulator to 5, during regulation, mixing speed is 80r/min, i.e.
Industrial wastewater after adjusted pH-value；
C, activated carbon filter
After industrial wastewater after the regulation pH-value described in step B adds reducing agent, use activated carbon filtering technique
(employing granular active carbon) carries out filtration treatment, then carries out settlement treatment 15min, the industrial wastewater after i.e. being filtered；
D, membrane filtration
First security personnel's filtering technique (cartridge filter) are used to filter the industrial wastewater after the filtration described in step C
Process, then use micro-filtrate membrane filtration technique (microporous filtration) to carry out filtration treatment, then use ultrafiltration membrance filter technique (super
Membrane filter) carry out filtration treatment, finally use anti-seepage membrane filtering technique (reverse osmosis membrane filt) to carry out filtration treatment, i.e.
Can obtain meeting the discharge water of environmental protection standard.
Embodiment 4
Respectively the discharge water obtained in embodiment 1 to 3 being carried out environmental protection standard detection, testing result is as follows:
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| PH value | 5.1 | 5.8 | 6.1 |
| COD(mg/L) | 347.8 | 325.4 | 303.5 |
| BOD5/COD | 0.41 | 0.38 | 0.36 |
The inventive method not only can economical, efficiently, a large amount of sour waters processing chemical industries discharge, and treatment effect
Good, as seen from the above table, the row that acidic industrial effluent obtains after the disposal methods of the acidic industrial effluent in the present invention
Discharging water, comply fully with environmental emission standard, in waste water, the clearance of COD can arrive more than 97%, BOD5Clearance can arrive
More than 96%.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. the processing method of an acidic industrial effluent, it is characterised in that it comprises the following steps:
A, initial filter and sedimentation
First acidic industrial effluent is flowed through multiple grid, then drains into Sedimentation tank, add flocculant and flocculate, and be blown into sky
Gas, then carry out settlement treatment, i.e. obtain the supernatant of industrial wastewater；
B, sterilize and regulate pH-value
Industrial wastewater supernatant described in step A is entered acid-alkali accommodation pond, first sterilizes with antibacterial, then with alkali by it
PH regulator is to 3-5, the industrial wastewater after the most adjusted pH-value；
C, activated carbon filter
After industrial wastewater after the regulation pH-value described in step B adds reducing agent, activated carbon filtering technique is used to carry out
Filtration treatment, then carry out settlement treatment, the industrial wastewater after i.e. being filtered；
D, membrane filtration
Industrial wastewater after filtration described in step C first uses security personnel's filtering technique carry out filtration treatment, then uses micro-
Membrane filtration technique carries out filtration treatment, then uses ultrafiltration membrance filter technique to carry out filtration treatment, finally uses anti-seepage membrane to filter
Technique carries out filtration treatment, i.e. can obtain meeting the discharge water of environmental protection standard.
The processing method of acidic industrial effluent the most according to claim 1, it is characterised in that in step, multiple described
The grid gap of grid is gradually reduced.
The processing method of acidic industrial effluent the most according to claim 1, it is characterised in that in step, described flocculation
Agent is aluminium polychlorid, and addition is 5-65ppm.
The processing method of acidic industrial effluent the most according to claim 1, it is characterised in that in step, to Sedimentation tank
Inside it is blown into the air of 5-20min.
The processing method of acidic industrial effluent the most according to claim 1, it is characterised in that in step, settlement treatment
1-5min。
The processing method of acidic industrial effluent the most according to claim 1, it is characterised in that in stepb, described sterilization
Agent is dithiocyano-methane, and addition is 15-55ppm.
The processing method of acidic industrial effluent the most according to claim 1, it is characterised in that in stepb, described alkali is
Sodium hydroxide.
The processing method of acidic industrial effluent the most according to claim 1, it is characterised in that in step C, described activity
Activated carbon in charcoal filtering technique is granular active carbon.
The processing method of acidic industrial effluent the most according to claim 1, it is characterised in that in step C, settlement treatment
3-15min。
10. according to the processing method of the acidic industrial effluent according to any one of claim 1-9, it is characterised in that in step D
In, described security personnel's filtering technique uses cartridge filter, and described micro-filtrate membrane filtration technique uses microporous filtration, described ultrafiltration
Membrane filtration process uses ultrafiltration membrane filter, and described anti-seepage membrane filtering technique uses reverse osmosis membrane filt.
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| CN201610747625.3A CN106277449A (en) | 2016-08-28 | 2016-08-28 | The processing method of acidic industrial effluent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277597A (en) * | 2016-08-28 | 2017-01-04 | 潘纪鸿 | The processing method of the higher fatty acid waste water of food industry |
| CN107311702A (en) * | 2017-08-09 | 2017-11-03 | 上海田应农业科技有限公司 | A kind of method that livestock and poultry farm fecaluria biogas slurry integrated treatment recovery prepares Liquid Fertilizer |
| CN107758959A (en) * | 2017-10-11 | 2018-03-06 | 镇江市中运城市环境治理股份有限公司 | A kind of processing method of industrial wastewater |
| CN108178226A (en) * | 2017-12-28 | 2018-06-19 | 卢勇军 | A kind of acidic industrial waste water treatment system |
| CN109133412A (en) * | 2018-08-23 | 2019-01-04 | 佛山豆萁科技有限公司 | A kind of efficient acid industrial waste water disposal device |
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| CN101323491A (en) * | 2007-06-12 | 2008-12-17 | 北京富特斯化工科技有限公司 | Acidic industrial waste water processing method and system |
| CN101774736A (en) * | 2010-02-05 | 2010-07-14 | 蓝星环境工程有限公司 | Advanced treatment process of neoprene industrial waste water |
| CN102616962A (en) * | 2012-03-30 | 2012-08-01 | 中国石油化工股份有限公司 | Deep stage treatment method for industrial wastewater |
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2016
- 2016-08-28 CN CN201610747625.3A patent/CN106277449A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323491A (en) * | 2007-06-12 | 2008-12-17 | 北京富特斯化工科技有限公司 | Acidic industrial waste water processing method and system |
| CN101774736A (en) * | 2010-02-05 | 2010-07-14 | 蓝星环境工程有限公司 | Advanced treatment process of neoprene industrial waste water |
| CN102616962A (en) * | 2012-03-30 | 2012-08-01 | 中国石油化工股份有限公司 | Deep stage treatment method for industrial wastewater |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277597A (en) * | 2016-08-28 | 2017-01-04 | 潘纪鸿 | The processing method of the higher fatty acid waste water of food industry |
| CN107311702A (en) * | 2017-08-09 | 2017-11-03 | 上海田应农业科技有限公司 | A kind of method that livestock and poultry farm fecaluria biogas slurry integrated treatment recovery prepares Liquid Fertilizer |
| CN107758959A (en) * | 2017-10-11 | 2018-03-06 | 镇江市中运城市环境治理股份有限公司 | A kind of processing method of industrial wastewater |
| CN108178226A (en) * | 2017-12-28 | 2018-06-19 | 卢勇军 | A kind of acidic industrial waste water treatment system |
| CN108178226B (en) * | 2017-12-28 | 2021-09-10 | 广西翰绿环保科技有限公司 | Acid industrial wastewater treatment system |
| CN109133412A (en) * | 2018-08-23 | 2019-01-04 | 佛山豆萁科技有限公司 | A kind of efficient acid industrial waste water disposal device |
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Application publication date: 20170104 |