CN102730843A - Biological sewage treatment agent for natural gas power generation sewage treatment - Google Patents
Biological sewage treatment agent for natural gas power generation sewage treatment Download PDFInfo
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- CN102730843A CN102730843A CN2012102626097A CN201210262609A CN102730843A CN 102730843 A CN102730843 A CN 102730843A CN 2012102626097 A CN2012102626097 A CN 2012102626097A CN 201210262609 A CN201210262609 A CN 201210262609A CN 102730843 A CN102730843 A CN 102730843A
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Abstract
The invention discloses a biological sewage treatment agent for natural gas power generation sewage treatment, which comprises the following active components in parts by weight: 10-50 parts of microbial strain, 20-40 parts of protozan and 20-60 parts of algae. By using the combined actions among organisms, the invention enhances the biodegradability and treatment efficiency, improves the sewage treatment effect, and is simple to use and convenient to operate; the sewage treatment agent is suitable for treating both municipal domestic sewage and rivers/lakes, and has unique treatment effects especially on treating various types of industrial waste water, such as unmanageable high-concentration, nondegradable, toxic, harmful and hyperhaline sewage generated in natural gas power generation.
Description
Technical field
The present invention relates to a kind of sewage-treating agent, more particularly, the present invention relates to a kind of biological sewage treatment agent that is used for the natural gas power WWT.
Background technology
Sweet natural gas is a kind of energy efficiently, and the calorific value of Sweet natural gas is 2.5 times of artificial nest coal gas.Using natural gas power, can alleviate energy scarcity, reduce the coal fired power generation ratio, is the effective way that reduces environmental pollution.The treatment process of the sewage that in natural gas power, produces has physical treatment process, method of chemical treatment and biological treatment; Physical treatment process is the most original simple water treating method; It reclaims the undissolved suspended contaminant in the sewage through the physical sepn effect, and this centrifugation can be divided into gravity separation, spinning holds back with sieving and separate, and this method can only be done some simple WWTs; But handle dangerously, be difficult to reach emission standard.
Chemical treatment method is with the chemicals treatment pollutent of throwing in; Through changing the character of pollutent, the separation that reduces its hazardness or help pollutent is removed, as in waste water, dropping into various flocculation agents; Make it with water in the pollutent attack; Generate water-fast compound, separate out deposition, the chemical precipitation method that waste water is purified; But when sewage was comparatively muddy, the usage quantity of flocculation agent was uncontrollable; And because pollutent just is condensed into bulk and from water, breaks away from, organism itself causes a large amount of mud flcos not by effective degraded, makes that running cost is high and produces secondary pollution.The patent No. is that the file of ZL01107113.3 has been announced a kind of sewage-treating agent, though can assemble multiple pollutent flocculation, cost is low, has brought secondary pollution.
Biological process; Be also referred to as biochemical process, biological treatment is to handle in the waste water to use at most the widest and more effective a kind of method; Be the various mikrobes that utilize occurring in nature to exist; Pollutants in waste water is decomposed and transformed, reach the purpose of purification, pollutent can be eliminated its pollution and harm to environment up hill and dale after biological process is handled.
The biology that present biological sewage facture generally adopts is a microbial strains, though technical maturity, the shortcoming that its existence is difficult to overcome, low to the organic sewage and the high-ammonia-nitrogen sewage processing efficiency of most of industrial sewages especially high-concentration hardly-degradable, shock resistance is poor; The waste water that produces of natural gas power particularly, its organism, ammonia, nitrogen content are high, only with the very difficult poisonous and hazardous organism of efficient degradation of simple bacterial classification and nitrogen, phosphorus.Like application number is the composite and highly effective microorganism preparation that is used for synergy of sewage treatment plant that 201010249613.0 patent application document is announced, the objectionable impurities in the degradation of sewage efficiently, and the transparency of water after the WWT do not appeared in the newspapers.
Summary of the invention
The purpose of this invention is to provide a kind of treatment agent of biological sewage efficiently, be applicable to the processing of sewage and industrial sewage, particularly be suitable for the sewage that natural gas power produces.
The objective of the invention is to realize through following technical scheme: the treatment agent that is used to dispose of sewage provided by the invention, its activeconstituents comprises: microbial strains, protozoon; Algae; Its parts by weight are 10～50 parts of microbial strainss, and protozoon is 20～40 parts, and algae is 20～60 parts.
Wherein microbial strains comprises moving glue bacterium, middle Escherichia, unwrapping wire shape Nocardia bacteria, genus bacillus, sphaerotilus natans bacterium; Preferably, above-mentioned bacterium is undertaken composite by following parts by weight: 15～30 parts of moving glue bacterium, 10～30 parts of middle Escherichias, 10～30 parts of unwrapping wire shape Nocardia bacterias, 15～40 parts of genus bacillus, 10～45 parts of sphaerotilus natans bacterium.
Wherein protozoon comprises a worm, chlorella, paramecium; Its parts by weight are 20～40 parts of eye worms, 10～50 parts of chlorellas, 20～60 parts of paramecium.
Wherein preferred blue-green algae of algae and green alga.
Biological sewage treatment agent of the present invention is on the basis of traditional microbial strains, and through adding protozoon, other biologicals such as algae are handled sewage.The zoogloea that preferred bacterium of the present invention forms has very strong adsorptive power, can adsorb impurity in the waste water and free bacteria etc. on it, has formed the flco that coagulates of active sludge, and zoogloea has constituted the skeleton of active sludge flco; Protozoon of the present invention can promote the flocculation reaction of free bacteria, improves the deposition efficiency of bacterium, reduces suspended substance; Improved the transparency of water, and protozoon can make it oxygenolysis through body surface absorption dissolved organic matter; Some protozoons can engulf organic particle free bacteria tiny in the waste water; Play the effect of purifying liquid waste, protozoon wraps free bacteria in settling process or sticks on the secretory product, has improved the clearance of bacterium; Owing to making, protozoon secretory product the bacterium activation improved picked-up ability to dissolved organic matter,
Eye worm in the protozoon of the present invention, Chorella has pigment in phytomastigophora in the body, can carry out photosynthesis as plant, requires low to nutritive substance.
The preferred blue-green algae of algae of the present invention, green alga is because algae is to contain photosynthetic pigments; Under illumination, carry out photosynthesis, utilize carbonic acid gas and nitrogen, phosphorus to synthesize frond, release of oxygen supplies the needs of heterotrophic organism oxidation of organic compounds; Because algae absorbed nitrogen, phosphorus, therefore can denitrification, dephosphorization.
Biological sewage treatment agent of the present invention can reach following technique effect:
1) bacterial classification of the present invention is the high-efficiency strain of the characteristics screening of the sewage that produces according to natural gas power; Germ kind flexibility of the present invention is strong; Difficult degradation, macromole, hazardous and noxious substances and ammonia nitrogen there are good adaptation and degradation effect; Can absorption such as the impurity in the sewage on it, form the flco that coagulates of active sludge.
2) protozoon of the present invention can promote the flocculation reaction of free bacteria, improves the deposition efficiency of bacterium, has improved the transparency of water, and the clearance of suspended substance is high, and is so the water after handling is as clear as crystal, more effective than flocculation agent.
3) therefore algae of the present invention can efficiently remove nitrogen, the phosphorus in the sewage through absorbed nitrogen, phosphorus.The present invention through the acting in conjunction between the biology, improves biodegradability and processing efficiency through composite mode, has improved wastewater treatment efficiency, uses simple, easy to operate.
4) strong shock resistance of sewage-treating agent of the present invention when Sewage treatment systems receives when impacting, can start and the answering system operation fast, and cost is low, use simple, easy to operate, instant effect.
5) sewage-treating agent process range of the present invention is wide, but comprehensive treating process life, industrial sewage, and particularly for the sewage phosphorous, that nitrogen is higher, removal effect is good.
Biological sewage treatment agent of the present invention both had been applicable to municipal sewage; Also be applicable to the improvement that the rivers and lakes environment water pollutes; Especially to the improvement of various trade effluents, the sewage of reluctant high density, difficult degradation, poisonous and harmful and the high salt that produces like natural gas power has unique treatment effect.
Embodiment
Below in conjunction with specific embodiment the present invention is described further so that those skilled in the art can better understand the present invention and implementing, but the embodiment that lifts not conduct to qualification of the present invention.
Embodiment 1: according to following portions by weight mixing microorganisms bacterial classification, protista and algae: 10 parts of bacterial classifications, protozoon are 30 parts, and algae is 60 parts.Wherein microbial strains carries out composite according to following portions by weight: 15 parts of moving glue bacterium, 10 parts of middle Escherichias, 10 parts of unwrapping wire shape Nocardia bacterias, 25 parts of genus bacillus, 40 parts of sphaerotilus natans bacterium.Wherein protozoon comprises a worm, chlorella, paramecium; Its parts by weight are: 30 parts of eye worms, 10 parts of chlorellas, 60 parts of paramecium.Wherein algae is a blue-green algae.
Each item index before handling before the sewage is that SS is 4300mg/l, BOD
5310mg/l, COD
Cr480mg/l, TN 48mg/l, TP 11mg/l, colourity 45, pH value 7.3; Each item index after the processing is SS 35mg/l, BOD
518mg/l, COD
Cr29mg/l, TN 4mg/l, TP 0.8mg/l, colourity 4, pH value 6.7.
Embodiment 2: according to following portions by weight mixing microorganisms bacterial classification, protista and algae: 50 parts of bacterial classifications, protozoon are 30 parts, and algae is 20 parts.Wherein microbial strains carries out composite according to following portions by weight: 30 parts of moving glue bacterium, 20 parts of middle Escherichias, 10 parts of unwrapping wire shape Nocardia bacterias, 30 parts of genus bacillus, 10 parts of sphaerotilus natans bacterium.Wherein protozoon comprises a worm, chlorella, paramecium; Its parts by weight are: 20 parts of eye worms, 50 parts of chlorellas, 20 parts of paramecium.Wherein algae is a green alga.
Each item index before handling before the sewage is that SS is 4100mg/l, BOD
5210mg/l, COD
Cr460mg/l, TN 51mg/l, TP 9mg/l, colourity 45, pH value 7.4; Each item index after the processing is SS 25mg/l, BOD
515mg/l, COD
Cr26mg/l, TN 3mg/l, TP 0.5mg/l, colourity 5, pH value 6.8.
Embodiment 3: according to following portions by weight mixing microorganisms bacterial classification, protista and algae: 35 parts of bacterial classifications, protozoon are 40 parts, and algae is 25 parts.Wherein microbial strains carries out composite according to following portions by weight: 20 parts of moving glue bacterium, 30 parts of middle Escherichias, 20 parts of unwrapping wire shape Nocardia bacterias, 20 parts of genus bacillus, 10 parts of sphaerotilus natans bacterium.Wherein protozoon comprises a worm, chlorella, paramecium; Its parts by weight are: 30 parts of eye worms, 30 parts of chlorellas, 40 parts of paramecium.Wherein algae is a green alga.
Each item index before handling before the sewage is that SS is 3200mg/l, BOD
5210mg/l, COD
Cr460mg/l, TN 51mg/l, TP 12mg/l, colourity 47, pH value 7.6; Each item index after the processing is SS 40mg/l, BOD
518mg/l, COD
Cr29mg/l, TN 4mg/l, TP 0.8mg/l, colourity 6, pH value 6.9.
Embodiment 4: according to following portions by weight mixing microorganisms bacterial classification, protista and algae: 42 parts of bacterial classifications, protozoon are 30 parts, and algae is 28 parts.Wherein microbial strains carries out composite according to following portions by weight: 30 parts of moving glue bacterium, 30 parts of middle Escherichias, 20 parts of unwrapping wire shape Nocardia bacterias, 10 parts of genus bacillus, 10 parts of sphaerotilus natans bacterium.Wherein protozoon comprises a worm, chlorella, paramecium; Its parts by weight are: 20 parts of eye worms, 20 parts of chlorellas, 60 parts of paramecium.Wherein algae is a blue-green algae.
Each item index before handling before the sewage is that SS is 4600mg/l, BOD
5310mg/l, COD
Cr570mg/l, TN 62mg/l, TP 14mg/l, colourity 47, pH value 7.6; Each item index after the processing is SS 59mg/l, BOD
528mg/l, COD
Cr52mg/l, TN 5mg/l, TP 0.7mg/l, colourity 5, pH value 6.8.
Embodiment 5: according to following portions by weight mixing microorganisms bacterial classification, protista and algae: 25 parts of bacterial classifications, protozoon are 35 parts, and algae is 40 parts.Wherein microbial strains carries out composite according to following portions by weight: 18 parts of moving glue bacterium, 12 parts of middle Escherichias, 25 parts of unwrapping wire shape Nocardia bacterias, 15 parts of genus bacillus, 30 parts of sphaerotilus natans bacterium.Wherein protozoon comprises a worm, chlorella, paramecium; Its parts by weight are: 30 parts of eye worms, 30 parts of chlorellas, 40 parts of paramecium.Wherein algae is a blue-green algae.
Each item index before handling before the sewage is that SS is 3400mg/l, BOD
5270mg/l, COD
Cr163mg/l, TN19.1mg/l, TP 2.07mg/l, colourity 36, pH value 7.6; Each item index after the processing is SS 39mg/l, BOD
518mg/l, COD
Cr54.8mg/l, TN 2.18mg/l, TP1.44mg/l, colourity 5, pH value 6.9.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (5)
1. biological sewage treatment agent, its activeconstituents comprises: microbial strains, protozoon, algae; Its parts by weight are 10～50 parts of microbial strainss, 20～40 parts of protozoons, 20～60 parts in algae.
2. a kind of biological sewage treatment agent according to claim 1; It is characterized in that described microbial strains is moving glue bacterium, middle Escherichia, unwrapping wire shape Nocardia bacteria, genus bacillus, sphaerotilus natans bacterium; The parts by weight of above-mentioned bacterial classification are: 15～30 parts of moving glue bacterium, 10～30 parts of middle Escherichias, 10～30 parts of unwrapping wire shape Nocardia bacterias; 15～40 parts of genus bacillus, 10～45 parts of sphaerotilus natans bacterium.
3. a kind of biological sewage treatment agent according to claim 1 and 2 is characterized in that its described protozoon is eye worm, chlorella, paramecium, and its parts by weight are: 20～40 parts of eye worms, 10～50 parts of chlorellas, 20～60 parts of paramecium.
4. a kind of biological sewage treatment agent according to claim 1 is characterized in that its described algae is a blue-green algae.
5. a kind of biological sewage treatment agent according to claim 1 is characterized in that its described algae is a green alga.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201210262609 CN102730843B (en) | 2012-07-26 | 2012-07-26 | Biological sewage treatment agent for natural gas power generation sewage treatment |
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| CN 201210262609 CN102730843B (en) | 2012-07-26 | 2012-07-26 | Biological sewage treatment agent for natural gas power generation sewage treatment |
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| CN102730843A true CN102730843A (en) | 2012-10-17 |
| CN102730843B CN102730843B (en) | 2013-08-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186367A (en) * | 2016-09-08 | 2016-12-07 | 合肥智慧殿投资管理有限公司 | A kind of sewage-treating agent for brewing industry and preparation method thereof |
| CN111517472A (en) * | 2020-05-07 | 2020-08-11 | 福建莱诺尔生物科技有限公司 | Method for reducing sludge amount in sewage by feeding protozoa |
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| CN1961066A (en) * | 2004-03-31 | 2007-05-09 | 丹尼斯科公司 | Process |
| US20070205148A1 (en) * | 2006-03-03 | 2007-09-06 | Jones Robert G | Systems and methods of creating a biofilm for the reduction of water contamination |
| CN101165167A (en) * | 2006-10-18 | 2008-04-23 | 中国科学院沈阳应用生态研究所 | Microbial inoculum for repairing amino benzenes polluted water and its preparation method and using method |
| CN101602563A (en) * | 2009-02-20 | 2009-12-16 | 李颖 | The method of biology, ecological sectional purifying treatment sanitary sewage |
| CN101921709A (en) * | 2010-08-10 | 2010-12-22 | 北京三泰正方生物环境科技发展有限公司 | Composite high-efficiency microorganism preparation for synergy of sewage treatment plant and synergistic process |
| CN102604924A (en) * | 2012-03-02 | 2012-07-25 | 中国人民解放军海军医学研究所 | Offshore oil degrading microbial inoculum and preparation method thereof |
-
2012
- 2012-07-26 CN CN 201210262609 patent/CN102730843B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1961066A (en) * | 2004-03-31 | 2007-05-09 | 丹尼斯科公司 | Process |
| US20070205148A1 (en) * | 2006-03-03 | 2007-09-06 | Jones Robert G | Systems and methods of creating a biofilm for the reduction of water contamination |
| CN101165167A (en) * | 2006-10-18 | 2008-04-23 | 中国科学院沈阳应用生态研究所 | Microbial inoculum for repairing amino benzenes polluted water and its preparation method and using method |
| CN101602563A (en) * | 2009-02-20 | 2009-12-16 | 李颖 | The method of biology, ecological sectional purifying treatment sanitary sewage |
| CN101921709A (en) * | 2010-08-10 | 2010-12-22 | 北京三泰正方生物环境科技发展有限公司 | Composite high-efficiency microorganism preparation for synergy of sewage treatment plant and synergistic process |
| CN102604924A (en) * | 2012-03-02 | 2012-07-25 | 中国人民解放军海军医学研究所 | Offshore oil degrading microbial inoculum and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186367A (en) * | 2016-09-08 | 2016-12-07 | 合肥智慧殿投资管理有限公司 | A kind of sewage-treating agent for brewing industry and preparation method thereof |
| CN111517472A (en) * | 2020-05-07 | 2020-08-11 | 福建莱诺尔生物科技有限公司 | Method for reducing sludge amount in sewage by feeding protozoa |
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| CN102730843B (en) | 2013-08-21 |
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