Process for deodorizing household garbage, increasing methane yield and accelerating garbage degradation

A technology for the degradation of domestic waste and garbage, applied in the removal of solid waste, waste treatment, waste fuel, etc., can solve the problems of air pollution, low treatment efficiency, volatile escape, etc., to accelerate the degradation rate and increase the production of methane , the effect of improving the degradation effect

Active Publication Date: 2022-08-02
深圳市同创环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the technologies for domestic waste treatment mainly include sanitary landfill, incineration and composting, etc. Among them, sanitary landfill is the most widely used technology for urban domestic waste treatment, while the existing The landfills are all simple landfills or anti-seepage landfills, most of which are open-air outdoor sites. After the organic waste is accumulated and fermented, it will produce a strong pungent odor gas, which is very volatile and escapes into the atmosphere. , causing air pollution; moreover, there is a large amount of garbage accumulated in the garbage dump, the degradation rate of garbage is low, and the content of methane in the generated landfill gas is low, which is difficult to meet the recycling of resources
[0004] In view of the above related problems, the inventor believes that the existing waste treatment process has the defects of low treatment efficiency and serious odor pollution

Method used

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  • Process for deodorizing household garbage, increasing methane yield and accelerating garbage degradation
  • Process for deodorizing household garbage, increasing methane yield and accelerating garbage degradation

Examples

Experimental program
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Effect test

preparation example 1

[0044] This preparation example discloses a microbial inoculum, which includes bacillus, lactic acid bacteria, streptococcus thermophilus, red yeast, photosynthetic bacteria and actinomycetes.

[0045] This preparation example also discloses a manufacturing method of a microbial inoculum, which specifically includes:

[0046] S1, after the Bacillus, Lactobacillus, Streptococcus thermophilus, Rhododendron, Photosynthetic and Actinomycete strains were respectively activated and cultured in solid state, the obtained concentrations were all 1×10 8 CFU / ml of Bacillus bacteria suspension seed liquid, Lactobacillus bacteria suspension seed liquid, Streptococcus thermophilus bacteria suspension seed liquid, Rhododendron bacteria suspension seed liquid, Photosynthetic bacteria bacteria suspension seed liquid and Actinomycete bacteria suspension liquid seed liquid;

[0047] S2, respectively inoculate the above-mentioned bacterial suspension seed liquid with 5% of the inoculum to the PD...

preparation example 2

[0050] This preparation example discloses a method for producing a microbial inoculum. The difference between this preparation example and preparation example 1 is that the component distribution ratio of each bacterial suspension in S3 is different, specifically: 12kg of Bacillus bacteria suspension, 1.2kg Lactic acid bacteria suspension, 1kg Streptococcus thermophilus bacteria suspension, 1kg Rhododendron bacteria suspension, 1kg photosynthetic bacteria bacteria suspension and 1.5kg actinomycete bacteria suspension were mixed and added into the stirring pot, and stirred at a uniform speed of 120r / min. 20min to obtain microbial inoculum.

preparation example 3

[0052] This preparation example discloses a manufacturing method of a microbial inoculum. The difference between this preparation example and preparation example 1 is that the composition ratio of each bacterial suspension in S3 is different, specifically: 10kg of Bacillus bacteria suspension, 1kg of lactic acid bacteria Bacterial suspension, 1kg of Streptococcus thermophilus bacterial suspension, 1kg of Rhodotorula bacterial suspension, 1kg of photosynthetic bacteria bacterial suspension and 1kg of Actinomycetes bacterial suspension were mixed into the stirring pot, and stirred at a uniform speed of 120r / min for 20min. Obtain microbial inoculum.

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Abstract

The invention relates to a process for deodorizing household garbage, increasing methane yield and accelerating garbage degradation, which comprises the following steps: step 1, mixing a microbial agent and molasses in proportion, culturing and expanding to form expanding liquid; step 2, uniformly mixing the hair expanding liquid and the ultrafiltration water according to a certain volume ratio to prepare a mixed liquid A; uniformly mixing the expansion liquid, ultrafiltration water and glucose according to a certain volume ratio to obtain a mixed liquid B; 3, mixed liquid is sprayed to the surface of the garbage, specifically, the mixed liquid A is sprayed in the morning, and the mixed liquid B is sprayed at night; step 4, welding an HDPE film to form a cover film and an air passage; covering the surface of the garbage with a covering film and an air passage; 5, arranging a landfill gas collecting pipe below the covering film; an air exhaust pipeline assembly is installed on the covering film, and the landfill gas collecting pipe penetrates out of the covering film to be communicated with the air exhaust pipeline assembly to extract landfill gas. The method has the effects of improving the deodorization rate of the household garbage, improving the methane yield and accelerating garbage degradation.

Description

technical field [0001] The present application relates to the technical field of garbage disposal, in particular to a process for deodorizing domestic garbage, increasing methane production, and accelerating garbage degradation. Background technique [0002] With the acceleration of my country's urbanization process and the increase of urban population, garbage as a waste generated in daily life and production process has also increased sharply. The odorous substances produced by the decomposing and decomposing of the garbage piled in the garbage transfer station and the garbage landfill not only have a serious impact on the ambient air quality, but also endanger the health of the residents and cause respiratory diseases and other diseases. [0003] At present, the technologies for treating domestic waste mainly include sanitary landfill, incineration and composting. Among them, sanitary landfill is the most widely used technology for urban domestic waste treatment, and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/60B09B1/00
CPCB09B3/60B09B1/004Y02W30/20Y02E50/30
Inventor 叶志敏尹璇邹金钢陈泽龙周海霞单双
Owner 深圳市同创环保科技有限公司
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