CN101654306B - High-efficiency purifying method of organic waste water - Google Patents
High-efficiency purifying method of organic waste water Download PDFInfo
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- CN101654306B CN101654306B CN2009101833100A CN200910183310A CN101654306B CN 101654306 B CN101654306 B CN 101654306B CN 2009101833100 A CN2009101833100 A CN 2009101833100A CN 200910183310 A CN200910183310 A CN 200910183310A CN 101654306 B CN101654306 B CN 101654306B
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Abstract
The invention discloses a high-efficiency purifying method of organic waste water. The waste water flows into a reaction tank after being pre-treated, a film assembly is arranged in the reaction tank; adsorbing resin is added in the reaction tank, the waste water is evenly mixed with the resin under stirring to be in a fluidization state, stirring is continuously carried out until the adsorbable materials in the waste water are adsorbed, and then the film assembly is started to filter and exhaust water. The method has excellent separation effect and high separation efficiency, and is suitablefor the treatment of a large amount of waste water with resolvable pollutants; and absorption and separation can be finished in a same space.
Description
Technical field
The invention belongs to environmental protection technical field, relate to a kind of purifying method of organic waste water.
Background technology
Reacting with separating efficiently is the core of water treatment.Isolation technique mainly contains 2 developing direction, the one, pure Physical Separation Technology in recent years.Be gravity separation at first, comprise precipitation, air supporting etc., membrane separation technique has also obtained significant progress and application subsequently.Membrane sepn can obtain force of gravity and separate better separating effect, also can obtain decontamination effect improving preferably to fine particles such as suspended substance, colloid, bacteriums.The 2nd, the physical chemistry isolation technique mainly is an adsorption separation technology.Comprise charcoal absorption, resin absorption etc.Wherein resin absorption technology has especially obtained successful Application recently in water treatment.But still there is certain defective in above-mentioned these technology.
It is not high that the shortcoming of membrane separation technique is to remove efficient for dissolved matter.Micro-filtration and ultrafiltration membrane technique are difficult to remove to dissolved matter.Though and nanofiltration, reverse osmosis have removal effect preferably to dissolved organic matter and ion, energy consumption is too high, and the separating pressure that needs is usually all more than 0.1MPa.And the dope water yield of nanofiltration and reverse osmosis is bigger, is difficult to handle.And the limitation of resin absorption is the waste water to the little water yield, and traditional adsorption column can meet the demands, and for the processing of big yield waste water, lacks suitable reactor.The existing fixed bed bioreactor exists the problem that adsorption column stops up easily, hardens.Water distribution is inhomogeneous, and short flow phenomenon appears in reactor easily.
Summary of the invention
Technical problem to be solved by this invention provides a kind of efficient purifying method of organic waste water, and this method is separated membrane sepn and combined with resin absorption, obtained separating effect preferably.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of efficient purifying method of organic waste water, waste water enters reactive tank after pre-treatment, the built-in membrane module of reactive tank, in reactive tank, add polymeric adsorbent, under the agitation condition, waste water and mixed with resin are even, and are fluidized state, continue the adsorbable material of whip attachment to the waste water by resin absorption, restart membrane module and carry out the suction filtration water outlet.
Wherein, described pre-treatment is any one or a few the combination in coagulating sedimentation, air supporting, filtration and the biochemical treatment.
Wherein, described membrane module is ultra-filtration membrane or microfiltration membrane.
Wherein, described resin is ion exchange resin, macroporous resin or organic polymeric adsorbent, preferred ND type resin or MIEX type resin.
Wherein, to add volume be 10～30% of reactive tank useful volume to described resin.
Wherein, described stirring is that air aeration stirs or mechanical stirring.
Wherein, the time of lasting whip attachment is 1～60 minute.
After the resin absorption capacity diminishes, can all take out, after regenerating, reuse.
The inventive method is suitable for the waste water of handling: contain the adsorbable pollutent waste water of solvability, effect is more superior when handling low concentration wastewater.
Beneficial effect: principal feature of the present invention and advantage are:
1, film-resin compounded reactor is strong to the adaptability of water quality.In reactive tank, resin is fluidized state by aeration or mechanical stirring mode, and short flow phenomenon can not take place for the shortcoming of not only having avoided the conventional fixed bed to stop up easily, and resin and waste water full contact.
2, owing in reactor, be provided with membrane module.Avoided the situation that resin runs off in traditional moving-bed or fixed bed.And the size of resin can be littler.In the past in the traditional reactor for avoiding resin to run off, the diameter of polymeric adsorbent is about 30 orders usually.Too small resin flows out with water outlet easily.And bigger resin absorption specific surface area is little, and rate of adsorption is slow.Be provided with after the membrane module, the diameter of polymeric adsorbent can drop to below 100 orders.Can improve adsorption effect greatly and reduce adsorption time.
3, be suitable for the processing that big yield contains dissolubility pollutant.Can in the same space, finish absorption, sepn process.
4, the fluidisation by resin and washing away can effectively be avoided the concentration polarization phenomenon in the membrane sepn process, keeps membrane flux, reduces film and sees through pressure.
Embodiment:
According to following embodiment, the present invention may be better understood.Yet, those skilled in the art will readily understand that the described concrete material proportion of embodiment, processing condition and result thereof only are used to illustrate the present invention, and should also can not limit the present invention described in detail in claims.
Embodiment 1:
Certain waste water from dyestuff, 4000 times of water inlet average chrominance.After regulating homogeneous, pre-treatment enters the film resin reactive tank.Polymeric adsorbent adopts MIEX type resin, and dosage is 20% of a film resin reactor useful volume.Membrane module Hainan liter company produces hollow fiber film assembly.Adopt aeration agitation, gas-water ratio is 1: 30.Starting suction pump behind the aeration 0.2h makes waste water be drawn out of by membrane module.Handle 200 times of back effluent color dilution average out to.
Embodiment 2:
Certain textile waste tail water enters the film resin reactive tank after the coagulating sedimentation pre-treatment.Water inlet average COD 120mg/L, the lake company that levies produces ZZ type plate film assembly in the employing.Adding resin is ND type resin, and dosage is 15% of a reactor useful volume.Waste water adopts hydraulic propeller to stir.Churning time is 0.5h, starts suction pump then waste water is drawn out of by membrane module.Handling the back average COD is 80mg/L.
Claims (8)
1. the efficient purifying method of an organic waste water, it is characterized in that waste water enters reactive tank after pre-treatment, the built-in membrane module of reactive tank, in reactive tank, add polymeric adsorbent, under the agitation condition, waste water and mixed with resin are even, and are fluidized state, continue the adsorbable material of whip attachment to the waste water by resin absorption, restart membrane module and carry out the suction filtration water outlet;
Wherein, described organic waste water is waste water from dyestuff or textile waste.
2. the efficient purifying method of organic waste water according to claim 1 is characterized in that described pre-treatment is any one or a few the combination in coagulating sedimentation, air supporting, filtration and the biochemical treatment.
3. the efficient purifying method of organic waste water according to claim 1 is characterized in that described membrane module, is ultra-filtration membrane or microfiltration membrane.
4. the efficient purifying method of organic waste water according to claim 1 is characterized in that described resin is ion exchange resin, macroporous resin or organic polymeric adsorbent.
5. the efficient purifying method of organic waste water according to claim 4 is characterized in that described resin is ND type resin or MIEX type resin.
6. according to the efficient purifying method of claim 1,4 or 5 described organic waste waters, it is characterized in that it is 10～30% of reactive tank useful volume that described resin adds volume.
7. the efficient purifying method of organic waste water according to claim 1 is characterized in that described stirring is that air aeration stirs or mechanical stirring.
8. the efficient purifying method of organic waste water according to claim 1 is characterized in that the time of lasting whip attachment is 1～60 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101833100A CN101654306B (en) | 2009-09-17 | 2009-09-17 | High-efficiency purifying method of organic waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101833100A CN101654306B (en) | 2009-09-17 | 2009-09-17 | High-efficiency purifying method of organic waste water |
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| Publication Number | Publication Date |
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| CN101654306A CN101654306A (en) | 2010-02-24 |
| CN101654306B true CN101654306B (en) | 2011-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101833100A Active CN101654306B (en) | 2009-09-17 | 2009-09-17 | High-efficiency purifying method of organic waste water |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103011458A (en) * | 2012-12-19 | 2013-04-03 | 无锡恩奈迪环保设备有限公司 | Resourceful treatment system for high-concentration fumaric acid waste water |
| CN115304125A (en) * | 2022-07-21 | 2022-11-08 | 唐山开滦化工科技有限公司 | Treatment method of emulsified oil-containing wastewater |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2313917Y (en) * | 1997-06-27 | 1999-04-14 | 上海赛宝水处理设备有限公司 | Water treating apparatus |
| CN1374258A (en) * | 2002-03-15 | 2002-10-16 | 清华大学 | Stuffing-throwing fluidized bed membrane bioreactor and water treating method |
| CN2606742Y (en) * | 2003-03-26 | 2004-03-17 | 北京师范大学 | Water purifier for micro polluted water source |
| CN1686870A (en) * | 2005-03-31 | 2005-10-26 | 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 |
| EP1900691A1 (en) * | 2005-06-14 | 2008-03-19 | Asahi Kasei Chemicals Corporation | Apparatus for water treatment and method of treating water |
-
2009
- 2009-09-17 CN CN2009101833100A patent/CN101654306B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2313917Y (en) * | 1997-06-27 | 1999-04-14 | 上海赛宝水处理设备有限公司 | Water treating apparatus |
| CN1374258A (en) * | 2002-03-15 | 2002-10-16 | 清华大学 | Stuffing-throwing fluidized bed membrane bioreactor and water treating method |
| CN2606742Y (en) * | 2003-03-26 | 2004-03-17 | 北京师范大学 | Water purifier for micro polluted water source |
| CN1686870A (en) * | 2005-03-31 | 2005-10-26 | 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 |
| EP1900691A1 (en) * | 2005-06-14 | 2008-03-19 | Asahi Kasei Chemicals Corporation | Apparatus for water treatment and method of treating water |
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| CN101654306A (en) | 2010-02-24 |
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Inventor after: Lu Jilai Inventor after: Yin Xiedong Inventor after: Zhao Shanshan Inventor after: Peng Na Inventor after: Yin Hang Inventor after: Liu Aiping Inventor after: Zou Min Inventor after: Xia Mingfang Inventor after: Wang Huizhong Inventor before: Lu Jilai Inventor before: Yin Xiedong Inventor before: Zhao Shanshan Inventor before: Liu Aiping Inventor before: Zou Min Inventor before: Xia Mingfang Inventor before: Wang Huizhong |
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Free format text: CORRECT: INVENTOR; FROM: LU JILAI YIN XIEDONG ZHAO SHANSHAN LIU AIPING ZOU MIN XIA MINGFANG WANG HUIZHONG TO: LU JILAI YIN XIEDONG ZHAO SHANSHAN PENG NA YIN HANG LIU AIPING ZOU MIN XIA MINGFANG WANG HUIZHONG |
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Effective date of registration: 20160331 Address after: 523000 Guangdong city of Dongguan province Dongcheng District Dongguan Niushan long road wealth Industrial Park 4 Building A room Patentee after: YUE HAI ENVIRONMENTAL PROTECTION TECHNOLOGY CONSULTS SERVICE CO., LTD. Address before: 210036 No. 241 Fenghuang West Street, Jiangsu, Nanjing Patentee before: Jiangsu Prov. Environment Science Inst. |
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Address after: 523000 Guangdong city of Dongguan province Dongcheng District Dongguan Niushan long road wealth Industrial Park 4 Building A room Patentee after: Guangdong Hui Guangdong Environmental Protection Engineering Co. Ltd. Address before: 523000 Guangdong city of Dongguan province Dongcheng District Dongguan Niushan long road wealth Industrial Park 4 Building A room Patentee before: YUE HAI ENVIRONMENTAL PROTECTION TECHNOLOGY CONSULTS SERVICE CO., LTD. |