Deodorant predominant bacteria, composite microbial inoculum and application

A technology of dominant bacteria and black odor, applied in the field of microorganisms, can solve the problems of instability, single microbial repair technology, lack of autonomy, etc., and achieve the effects of saving operating costs, realizing resource-based treatment, and remarkable deodorizing effect

Inactive Publication Date: 2010-06-23
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. Although a single artificial aeration and reoxygenation technology can effectively improve the water quality in a short period of time, it has disadvantages such as temporary, unstable, and tem

Method used

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  • Deodorant predominant bacteria, composite microbial inoculum and application
  • Deodorant predominant bacteria, composite microbial inoculum and application
  • Deodorant predominant bacteria, composite microbial inoculum and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Example 1: Control of Black and Odor in the Jiahe River Basin of Qinhuangdao City

[0039] After detailed on-site investigations, a comprehensive ecological restoration plan for the river basin was formulated, and three ecological wetland demonstration sites were selected, and a "combined microbial restoration process" was adopted to carry out all-round black and odor control of the Jiahe River. Using the culture medium of the above-mentioned composite bacterial agent, expand the culture according to the amount required on site, wherein the ratio of deodorizing dominant bacteria CGMCC No.3276:CGMCC No.3277:CGMCC No.3278 is 4:2:4. From June 10th to July 20th, 2009, the solid dominant compound bacterial agent was added, and the amount of bacteria injected at one time was 5 tons. After the 4th day after adding the superior compound bacterial agent, you can see the happy scene of the disappearance of the black and odor of the river. The black and odor basically disappear, a...

Embodiment 2

[0040] Example 2: River black and odor control in Chizhong River, Liaocheng City, Shandong Province

[0041] The Chizhong River in Liaocheng City is the channel of the South-to-North Water Diversion Project. Due to the massive discharge of industrial sewage and domestic sewage in the area, it directly affects the water quality of the South-to-North Water Transfer Project. Expand the culture according to the amount required on site, wherein the ratio of deodorizing dominant bacteria CGMCC No.3276:CGMCC No.3277:CGMCC No.3278 is 4:2:4. After the 7th day after adding the superior composite bacterial agent of the present invention, the black and odorous rivers have also undergone obvious changes, and the black and odorous rivers have been effectively controlled. Flow 6000m 3 / d, the COD of water quality is reduced from 320mg / L to 70≤mg / L, the COD is reduced by 15t / d, the reduction rate is 78.6%, and 5400tCOD is discharged into the nearby water environment every year. The length o...

Embodiment 3

[0042] Example 3: River black and odor control of Fengshi River in Liaocheng City

[0043] Using the culture medium of the above-mentioned composite bacterial agent, expand the culture according to the amount required on site, wherein the deodorizing dominant bacteria CGMCC No.3276: CGMCC No.3277: CGMCC No.3278 is 4:2:4. May 2009 On the 30th, in the 500-meter-long section of the Fengshi River, the dominant compound bacterial agent was added once. Among them, the dosage of the solid dominant compound bacterial agent was 500 kg, and the dosage of the liquid dominant compound bacterial agent was 50 kg. The resulting river is about 2 kilometers long. 20 days after the addition, the water quality of Fengshi River was improved, and pollutants such as COD and ammonia nitrogen were effectively reduced.

[0044] After the implementation of the comprehensive improvement project, the pollution of the river basin can be basically eliminated. According to the actual situation of the exis...

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Abstract

The invention relates to the field of microorganisms, in particular to deodorant predominant bacteria, a composite microbial inoculum and application. In the invention, the strains obtained by sieving are Rhodococcus (collection center accession serial number: China General Microbiological Collection Center (CGMCC) No. 3276), Pseudomonas (collection center accession serial number: CGMCC No. 3277) and Saccharomyces (collection center accession serial number: CGMCC No. 3278). After the combination of the three strains with CODs (Chemical Oxygen Demand) of 88.1%, 81.2% and 76.5% respectively is removed, the processing effect is 90.1%; and after the combination of the three strains with TNs of 68.1%, 63.2% and 50.3% respectively is removed, the processing effect is 69.8 percent. The deodorant effect of the deodorant bacteria is remarkable, and the removal rate of organics can reach more than 65% at the same time. Compared with other processing technologies, the combined bioremediation treatment technique better accords with national policies of recycling economy, and energy saving and emission reduction. The combined bioremediation treatment technique can save a great deal of operating cost for water areas of various regions and realize the resource treatment of waste water.

Description

technical field [0001] The invention relates to the field of microorganisms, in particular, the invention relates to deodorizing dominant bacteria and composite bacteria agents and their application. Background technique [0002] The large amount of discharge of industrial wastewater and domestic sewage has caused large-scale and large-scale pollution of various water bodies. The decomposition of organic matter in the polluted water body consumes a large amount of dissolved oxygen, resulting in severe anoxic or anaerobic water bodies, which eventually leads to black and smelly river water. Black and odorous rivers are a type of water pollution. In anoxic water, anaerobic microorganisms decompose organic matter to produce a large amount of odorous gases such as methane, hydrogen sulfide, ammonia, amine and other odorous and volatile small molecule compounds, which escape from the water surface and enter Atmosphere, making the water body stink; at the same time, the CH produc...

Claims

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Application Information

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IPC IPC(8): C12N1/20C12N1/16C12N1/00C02F3/34C02F3/02C02F11/02C12R1/01C12R1/38C12R1/85
CPCY02W10/10
Inventor 李捍东
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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