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Mixed bacterial agent for reducing dioxin content in domestic waste incineration tail gas

A technology of domestic waste incineration and mixing inoculants, which is applied in microorganism-based methods, bacteria, microorganisms, etc., can solve the problems of environmental and human health hazards, refractory degradation, high toxicity and stable properties of dioxin-like chemicals, etc. Realize the effect of environmental protection and emission reduction

Inactive Publication Date: 2017-09-15
芜湖华盈自动化设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Dioxin-like chemical substances are highly toxic, stable in nature, difficult to degrade, and cause great harm to the environment and human health

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The present invention proposes a mixed bacterial agent for reducing the content of dioxins in domestic waste incineration tail gas, which is obtained by mixing the expanded culture solution of mixed bacteria and water at a volume ratio of 1:50; and the expanded culture solution of mixed bacteria is obtained by Streptomyces cereus expansion culture solution with preservation number CGMCC4.342, Geotrichum candidum expansion culture medium with preservation number CGMCC 2.1135, Trichoderma konningen expansion culture medium with preservation number CGMCC 3.2064, Halobacter halobacterium with preservation number CGMCC 1.1952 The expanded culture solution and the expanded culture solution of Amycolatopsis sulfobacteria with the preservation number CGMCC 1.1144 are obtained by mixing the expanded culture solution with a volume ratio of 1:0.5:0.5:0.5:0.5, and the number of viable bacteria in the expanded culture solution is greater than 2×10 7 individual / mL.

[0019] Add water...

Embodiment 2

[0021] The present invention proposes a mixed bacterial agent for reducing the content of dioxins in domestic waste incineration tail gas, which is obtained by mixing the expanded culture solution of mixed bacteria and water at a volume ratio of 1:75; and the expanded culture solution of mixed bacteria is obtained by Streptomyces cereus expansion culture solution with preservation number CGMCC4.342, Geotrichum candidum expansion culture medium with preservation number CGMCC 2.1135, Trichoderma konningen expansion culture medium with preservation number CGMCC 3.2064, Halobacter halobacterium with preservation number CGMCC 1.1952 The expanded culture solution and the expanded culture solution of Amycolatopsis sulfobacteria with the preservation number CGMCC 1.1144 are obtained by mixing the expanded culture solution with a volume ratio of 1:0.6:0.7:0.6:0.9, and the number of viable bacteria in the expanded culture solution is greater than 2×10 7 individual / mL.

[0022] Add water...

Embodiment 3

[0024] The present invention proposes a mixed bacterial agent for reducing the content of dioxins in domestic waste incineration tail gas, which is obtained by mixing the expanded culture solution of mixed bacteria and water at a volume ratio of 1:100; and the expanded culture solution of mixed bacteria is obtained by Streptomyces cereus expansion culture solution with preservation number CGMCC4.342, Geotrichum candidum expansion culture medium with preservation number CGMCC 2.1135, Trichoderma konningen expansion culture medium with preservation number CGMCC 3.2064, Halobacter halobacterium with preservation number CGMCC 1.1952 The expanded culture solution and the expanded culture solution of Amycolatopsis sulfobacteria with the preservation number CGMCC 1.1144 are obtained by mixing the expanded culture solution with a volume ratio of 1:1:1:1:1, and the number of viable bacteria in the expanded culture solution is greater than 2×10 7 individual / mL.

[0025] Add water to the...

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PUM

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Abstract

The present invention discloses a mixed bacterial agent for reducing the dioxin content in domestic waste incineration tail gas. According to the present invention, a mixed bacterial amplification culture liquid and water are mixed according to a volume ratio of 1:50-100 to obtain the mixed bacterial agent, the mixed bacteria comprise Streptomyces cinereogriseus, Geotrichum candidum, Trichoderma koningii, Halobacterium halobium and Amycolatopsis sulphurea, wherein the preservation number of Streptomyces cinereogriseus is CGMCC 4.342, the preservation number of Geotrichum candidum is CGMCC 2.1135, the preservation number of Trichoderma koningii is CGMCC 3.2064, the preservation number of Halobacterium halobium is CGMCC 1.1952, and the preservation number of Amycolatopsis sulphurea is CGMCC 1.1144.

Description

technical field [0001] The invention relates to the technical field of environmental protection materials, in particular to a mixed bacterial agent for reducing the content of dioxins in exhaust gas from domestic garbage incineration. Background technique [0002] In the past 10 years, with the acceleration of urbanization, the amount of urban domestic waste in my country has increased significantly. According to the data provided by the China Urban Environmental Sanitation Association, the current annual per capita domestic garbage production in my country is 440kg, and the annual national urban garbage production is 150 million tons, with an annual growth rate of 8-10%. The national garbage stock has exceeded 60% over the years. 100 million tons, about 2 / 3 of the cities have fallen into the plight of garbage siege. At present, there are mainly three treatment methods for domestic waste: sanitary landfill, high-temperature composting and incineration. Among them, centralize...

Claims

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Application Information

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IPC IPC(8): C12N1/20C12N1/14A62D3/02A62D101/28A62D101/08C12R1/465C12R1/885C12R1/645C12R1/01
CPCA62D3/02A62D2101/08A62D2101/28C12N1/14C12N1/20
Inventor 肖兵
Owner 芜湖华盈自动化设备有限公司
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