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Biological sewage treatment agent for natural gas power generation sewage treatment

A sewage treatment agent and biological technology, applied in the direction of biological water/sewage treatment, water/sludge/sewage treatment, microorganisms, etc., can solve the problem of difficult and efficient degradation of toxic and harmful organic substances, inability to efficiently degrade harmful substances in sewage, impact resistance Poor resistance and other problems, to achieve good adaptation and degradation effect, improve the uptake capacity, improve the effect of transparency

Inactive Publication Date: 2013-08-21
广州大学城华电新能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the organisms commonly used in biological sewage treatment are microbial strains. Although the process is mature, it has insurmountable shortcomings. It has low treatment efficiency and poor impact resistance for most industrial sewage, especially high-concentration and refractory organic sewage and high-ammonia nitrogen sewage. ; Especially the wastewater produced by natural gas power generation has high content of organic matter, ammonia, and nitrogen, and it is difficult to efficiently degrade toxic and harmful organic matter, nitrogen, and phosphorus with simple strains
For example, the patent application document with application number 201010249613.0 discloses a compound high-efficiency microbial preparation for enhancing efficiency of sewage treatment plants, which cannot efficiently degrade harmful substances in sewage, and there is no report on the transparency of treated sewage water.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: Mix microbial strains, protozoa and algae according to the following parts by weight: 10 parts of bacterial strains, 30 parts of protozoa, and 60 parts of algae. Among them, the microbial strains are compounded according to the following parts by weight: 15 parts of Kineticum, 10 parts of Escherichia intermedia, 10 parts of Nocardia actiformis, 25 parts of Bacillus, and 40 parts of Chlamydia planktonicus. Wherein the protozoan includes Euglena, Chlorella, Paramecium; its parts by weight are: 30 parts of Euglena, 10 parts of Chlorella, and 60 parts of Paramecium. The algae are cyanobacteria.

[0023] The indicators before the sewage before treatment are, SS is 4300mg / l, BOD 5 310mg / l, COD cr 480mg / l, TN 48mg / l, TP 11mg / l, chroma 45, PH value 7.3; the indicators after treatment are SS 35mg / l, BOD 5 18mg / l, COD cr 29mg / l, TN 4mg / l, TP 0.8mg / l, color 4, pH 6.7.

Embodiment 2

[0024] Embodiment 2: Mix microbial strains, protozoa and algae according to the following parts by weight: 50 parts of bacterial strains, 30 parts of protozoa, and 20 parts of algae. Among them, the microbial strains are compounded according to the following parts by weight: 30 parts of Kineticum, 20 parts of Escherichia intermedia, 10 parts of Actinomyces Nocardia, 30 parts of Bacillus, and 10 parts of Chlamydia planktonicus. Wherein the protozoan includes Euglena, Chlorella, Paramecium; the parts by weight are: 20 parts of Euglena, 50 parts of Chlorella, and 20 parts of Paramecium. The algae are green algae.

[0025] The indicators before the sewage before treatment are, SS is 4100mg / l, BOD 5 210mg / l, COD cr 460mg / l, TN 51mg / l, TP 9mg / l, chroma 45, PH value 7.4; the indicators after treatment are SS 25mg / l, BOD 5 15mg / l, COD cr 26mg / l, TN 3mg / l, TP 0.5mg / l, color 5, pH 6.8.

Embodiment 3

[0026] Embodiment 3: Mix microbial strains, protozoa and algae according to the following parts by weight: 35 parts of bacterial strains, 40 parts of protozoa, and 25 parts of algae. Among them, the microbial strains are compounded according to the following parts by weight: 20 parts of Kineticum, 30 parts of Escherichia intermedia, 20 parts of Actinomyces Nocardia, 20 parts of Bacillus, and 10 parts of Chlamydia planktonicus. Wherein the protozoan comprises Euglena, Chlorella, Paramecium; its parts by weight are: 30 parts of Euglena, 30 parts of Chlorella, 40 parts of Paramecium. The algae are green algae.

[0027] The indicators before the sewage before treatment are, SS is 3200mg / l, BOD 5 210mg / l, COD cr 460mg / l, TN 51mg / l, TP 12mg / l, chroma 47, PH value 7.6; the indicators after treatment are SS 40mg / l, BOD 5 18mg / l, COD cr 29mg / l, TN 4mg / l, TP 0.8mg / l, color 6, pH 6.9.

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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 [0001] The invention relates to a sewage treatment agent, more specifically, the invention relates to a biological sewage treatment agent used for natural gas power generation sewage treatment. Background technique [0002] Natural gas is an efficient energy source. The calorific value of natural gas is 2.5 times that of artificial pipeline gas. Using natural gas to generate electricity can alleviate energy shortages, reduce the proportion of coal-fired power generation, and is an effective way to reduce environmental pollution. The treatment methods for sewage generated in natural gas power generation include physical treatment, chemical treatment and biological treatment. Physical treatment is the most primitive and simple water treatment method, which recovers insoluble suspended pollutants in sewage through physical separation. , This separation can be divided into gravity separation, centrifugal separation and sieve retention separation. This method can...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/00C12N1/20C02F3/34
Inventor 蒋国璋李坤赵国峰陈燕黎秀玲张静
Owner 广州大学城华电新能源有限公司
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