CN105461082A - Method for processing and recycling soybean processing wastewater through photosynthetic bacteria - Google Patents
Method for processing and recycling soybean processing wastewater through photosynthetic bacteria Download PDFInfo
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- CN105461082A CN105461082A CN201610002107.9A CN201610002107A CN105461082A CN 105461082 A CN105461082 A CN 105461082A CN 201610002107 A CN201610002107 A CN 201610002107A CN 105461082 A CN105461082 A CN 105461082A
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- waste water
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
Abstract
The invention discloses a method for processing and recycling soybean processing wastewater through photosynthetic bacteria, and belongs to the technical field of sewage processing. Soybean processing wastewater is processed through Rhodobacter sphaeroides, and small-molecular carbon source substances are added to the soybean processing wastewater till the final concentration is 400-1200 mg/L; the pH value of the wastewater is then adjusted to be 7.0-9.0; Rhodobacter sphaeroides in the logarithmic phase is put in wastewater till the final concentration is 600-1900 mg/L; processing is conducted for 96-120 hours at a temperature of 25-30 DEG C; meanwhile, the external illumination intensity is controlled to be 4500-5000 lux by an incandescent light bulb, and the oxygen dissolution concentration in sewage is controlled to be 0.5-1.0 mg/L. The method is easy to operate, the technological procedure is simplified, the sewage recycling degree is improved, the problem of secondary pollution caused by a traditional sewage processing process is solved, and sewage recycling can be achieved.
Description
Technical field
The invention belongs to technical field of sewage, particularly a kind ofly utilize photosynthetic bacterium processed soybeans processing waste water and realize the method for resource utilization.
Background technology
Soybean processing waste water is the class waste water that in food-processing industry, quantity discharged is larger.Soybean processing waste water is nontoxic, is rich in the macro-nutrients such as a large amount of macromolecule polysaccharides, protein and Mierocrystalline cellulose.Known soybean processing waste water treatment process has coagulating sedimentation, catalyzed oxidation, materialization-acidication-contact oxidation method, UASB etc., but the use of these methods can produce a large amount of excess sludges, process disposal costs is high, and resource utilization degree is low, and easily causes secondary pollution.There are some researches prove that photosynthetic bacterium processes multiclass food processing wastewater and realizes resource utilization, but mainly for molasses containing waste water, distillery waste water, pectin wastewater and dairy product waste water, cannot effectively process soybean waste water, major cause is in soybean waste water containing a large amount of nitrogen sources.Therefore needing badly provides that a kind of operation is simple, and non-secondary pollution problem, can realize the technological method of soybean waste water reclaiming.
Use photosynthetic bacterium processed soybeans processing waste water can realize the removal of Wastewater Pollutant and the recovery of waste water resource simultaneously.Photosynthetic bacterium has two cover energy metabolism systems, can survive under illumination anaerobism and dark aerobic condition, and assimilation low molecule organic matter, realizes the removal of pollutent; Meanwhile, photosynthetic bacterial thallus is nontoxic, directly can be fully utilized in industries such as feed manufacturing without process.Traditional theory thinks that the metabolic characteristic of photosynthetic bacterium determines its macromolecular substance of can not degrading, therefore in traditional photosynthetic bacterium waste water treatment process, need to add preprocessing process before photosynthetic bacterium process waste water, its objective is and macromolecular substance is degraded to small-molecule substance, then by photosynthetic bacterium, assimilation process is carried out to the small-molecule substance in waste water.But pre-treatment not only can consume a large number of nutrients in waste water, produce a large amount of excess sludge, and easily produce the miscellaneous bacteria infecting photosynthetic bacterium, photosynthetic bacterium wastewater treatment section is had a negative impact, thus reduce the resource utilization degree of photosynthetic bacterium waste water treatment efficiency and whole waste water treatment process, can not secondary pollution problems be avoided.
Summary of the invention
The present invention is directed to the problems such as the technical process that in traditional photosynthetic bacterium waste water treatment process, pre-treatment brings is complicated, sewage recycling degree is low, secondary pollution is serious, proposing one can processed soybeans processing waste water effectively, and realizes the method for soybean processing waste water resource utilization.
The technical scheme that the present invention solves the employing of its technical problem is:
Utilize photosynthetic bacterium processed soybeans processing waste water and realize the method for waste water reclaiming, comprising the following steps:
First in soybean processing waste water, add small molecules carbon source material is 400 ~ 1200mg/L to final concentration;
The pH value of waste water is regulated to be 7.0 ~ 9.0 again;
Then in waste water, add Spherical red antibacterial is 600 ~ 1900mg/L to final concentration;
Treatment condition are as follows: treatment temp is 25 ~ 30 DEG C, and the treatment time is 96 ~ 120 hours; Adopt incandescent light as additional light source, controlling additional intensity of illumination is 4500 ~ 5000lux, and by aeration pump to aeration in sewage, the dissolved oxygen concentration controlled in sewage is 0.5 ~ 1.0mg/L; COD concentration in a sewage is measured every 24 hours.
Above-mentioned soybean processing waste water is a kind of waste water enriching nitrogenous source containing macromolecular polysaccharide, protein and fat etc., and COD is 8000 ~ 30000mg/L.
Above-mentioned small molecules carbon source material is one or more in oxysuccinic acid, succsinic acid, sodium succinate, Seignette salt, glucose and fructose.
Above-mentioned Spherical red antibacterial is in logarithmic phase.
Above-mentioned Rhodopseudomonas palustris belongs to RhodopseudomonasPalustris and belongs to, purchased from China General Microbiological culture presevation administrative center (address: Yard 1, BeiChen xi Road, Chaoyang District, Beijing City institute of microbiology of the Chinese Academy of Sciences), deposit number is CGMCCNo.1.2180.
The invention has the beneficial effects as follows: of the present inventionly utilize photosynthetic bacterium processed soybeans processing waste water and realize the method for waste water reclaiming, omit Wastewater Pretreatment section, simplification of flowsheet, improves waste water treatment efficiency and resource utilization degree, avoids the environmental problems such as secondary pollution.The present invention adopts small molecules carbon source as the initial substrate of photosynthetic bacterium growth, the activity of photosynthetic bacterium can be improved, stimulate the generation of degraded macromole key enzyme, make photosynthetic bacterium degraded macromolecular substance become possibility, greatly can improve the degree of sewage treating efficiency and sewage recycling.Use the method that the COD clearance in waste water can be made to reach more than 90%, thalline transformation efficiency can reach 900% ~ 1000%.
Accompanying drawing explanation
Fig. 1 is embodiment 1, comparative example 1COD clearance trend map over time; Wherein, X-coordinate is the time, and unit is hour, and ordinate zou is clearance, and unit is per-cent.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail:
The experimental technique used in following embodiment if no special instructions, is ordinary method.Material used in following embodiment, reagent etc., if no special instructions, all can obtain from commercial channels.
embodiment 1:
The present embodiment has carried out the inspection of invention effect with soybean processing waste water.The initial COD concentration of soybean processing waste water is 8250mg/L.
First in soybean processing waste water, add small molecules carbon source material is 400mg/L to final concentration;
The pH value of waste water is regulated to be 7.5 again;
Then in waste water, add Spherical red antibacterial is 630mg/L to final concentration;
Treatment condition are as follows: treatment temp is 25 DEG C, and the treatment time is 120 hours; Adopt incandescent light as additional light source, controlling additional intensity of illumination is 4500 ~ 5000lux, and by aeration pump to aeration in sewage, the dissolved oxygen concentration controlled in sewage is 1.0mg/L; COD concentration in a sewage is measured every 24 hours.
embodiment 2:
The initial COD concentration of this comparative example soybean processing waste water is 15455mg/L, and adding small molecules carbon source material to final concentration is 1200mg/L, and adding Spherical red antibacterial final concentration is 1850mg/L.Except initial COD concentration is had any different, this comparative example is identical with operational condition with the working method of embodiment 1.
Claims (5)
1. utilize photosynthetic bacterium processed soybeans processing waste water and realize the method for resource utilization, it is characterized in that, comprise the steps:
First in soybean processing waste water, add small molecules carbon source material is 400 ~ 1200mg/L to final concentration;
The pH value of waste water is regulated to be 7.0 ~ 9.0 again;
Then in waste water, add Spherical red antibacterial is 600 ~ 1900mg/L to final concentration;
Treatment condition are as follows: treatment temp is 25 ~ 30 DEG C, and the treatment time is 96 ~ 120 hours; Adopt incandescent light as additional light source, controlling additional intensity of illumination is 4500 ~ 5000lux, and by aeration pump to aeration in sewage, the dissolved oxygen concentration controlled in sewage is 0.5 ~ 1.0mg/L.
2. method according to claim 1, is characterized in that, described soybean processing waste water is a kind of waste water enriching nitrogenous source containing macromolecular polysaccharide, protein and fat etc., and COD is 8000 ~ 30000mg/L.
3. method according to claim 1, is characterized in that, described small molecules carbon source material is one or more in oxysuccinic acid, succsinic acid, sodium succinate, Seignette salt, glucose and fructose.
4. method according to claim 1, is characterized in that, described Spherical red antibacterial is in logarithmic phase.
5. method according to claim 1, it is characterized in that, the Rhodopseudomonas palustris that the present invention uses belongs to RhodopseudomonasPalustris and belongs to, purchased from China General Microbiological culture presevation administrative center (address: Yard 1, BeiChen xi Road, Chaoyang District, Beijing City institute of microbiology of the Chinese Academy of Sciences), deposit number is CGMCCNo.1.2180.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610002107.9A CN105461082A (en) | 2016-01-06 | 2016-01-06 | Method for processing and recycling soybean processing wastewater through photosynthetic bacteria |
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| CN201610002107.9A CN105461082A (en) | 2016-01-06 | 2016-01-06 | Method for processing and recycling soybean processing wastewater through photosynthetic bacteria |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205798A (en) * | 2018-10-08 | 2019-01-15 | 沈阳工业大学 | Photosynthetic bacteria handles fatty acid wastewater and produces mycoprotein method |
| CN110129398A (en) * | 2018-02-02 | 2019-08-16 | 中国农业大学 | Processing waste water and the method and apparatus for producing nutriment |
| CN110904089A (en) * | 2019-12-23 | 2020-03-24 | 清水华明(武汉)生态科技有限公司 | Diversified microorganism system for improving eutrophic water body and application thereof |
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| JP2001062494A (en) * | 1999-08-26 | 2001-03-13 | Takaaki Arai | Treatment of waste paper sludge |
| CN103043804A (en) * | 2012-12-26 | 2013-04-17 | 中国农业大学 | Method for treating soybean processing wastewater by utilizing photosynthetic bacteria and recycling wastewater |
| CN103058387A (en) * | 2012-12-26 | 2013-04-24 | 中国农业大学 | Method of treating and recycling food processing waste water by using photosynthetic bacterium |
| CN105016477A (en) * | 2014-04-16 | 2015-11-04 | 上海理工大学 | Technology for processing soybean wastewater by utilization of filamentous fungi |
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2016
- 2016-01-06 CN CN201610002107.9A patent/CN105461082A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001062494A (en) * | 1999-08-26 | 2001-03-13 | Takaaki Arai | Treatment of waste paper sludge |
| CN103043804A (en) * | 2012-12-26 | 2013-04-17 | 中国农业大学 | Method for treating soybean processing wastewater by utilizing photosynthetic bacteria and recycling wastewater |
| CN103058387A (en) * | 2012-12-26 | 2013-04-24 | 中国农业大学 | Method of treating and recycling food processing waste water by using photosynthetic bacterium |
| CN105016477A (en) * | 2014-04-16 | 2015-11-04 | 上海理工大学 | Technology for processing soybean wastewater by utilization of filamentous fungi |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110129398A (en) * | 2018-02-02 | 2019-08-16 | 中国农业大学 | Processing waste water and the method and apparatus for producing nutriment |
| CN109205798A (en) * | 2018-10-08 | 2019-01-15 | 沈阳工业大学 | Photosynthetic bacteria handles fatty acid wastewater and produces mycoprotein method |
| CN109205798B (en) * | 2018-10-08 | 2021-07-06 | 沈阳工业大学 | Method for producing mycoprotein by treating fatty acid wastewater with photosynthetic bacteria |
| CN110904089A (en) * | 2019-12-23 | 2020-03-24 | 清水华明(武汉)生态科技有限公司 | Diversified microorganism system for improving eutrophic water body and application thereof |
| CN110904089B (en) * | 2019-12-23 | 2020-09-01 | 清水华明(武汉)生态科技有限公司 | Diversified microorganism system for improving eutrophic water body and application thereof |
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Effective date of registration: 20170405 Address after: 100832 Zhongguancun street, Beijing, No. 59, No. Applicant after: China Renimin Univ. Address before: 100832 Zhongguancun street, Beijing, No. 59, No. Applicant before: China Renimin Univ. Applicant before: Peng Meng |
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