Additive for reducing greenhouse gas emission of livestock manure compost and application thereof

A technology of greenhouse gases and additives, applied in the field of solid waste recycling, can solve problems such as rising, achieve the effect of improving compost quality, obvious economic benefits, and facilitating large-scale promotion and use

Inactive Publication Date: 2019-04-19
INST OF SOIL SCI CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, most of the current experiments on the reduction of greenhouse gas emissions by compost additives are carried out in the laboratory or through small-scale simulation experiments, and there are few studies in actual production, and there are large differences in the experimental results obtained by different scholars, such as Liu et al. (Liu Jinshan, Xie Zubin, Liu Gang, et al. A holistic

Method used

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  • Additive for reducing greenhouse gas emission of livestock manure compost and application thereof
  • Additive for reducing greenhouse gas emission of livestock manure compost and application thereof
  • Additive for reducing greenhouse gas emission of livestock manure compost and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The preparation of embodiment 1 compost additive

[0038] (1) Zeolite was purchased from Boluo Gongzhuang Zeolite Powder Factory in Guangdong Province. Zeolite is a natural zeolite with a diameter between 0.85 mm and 2.00 mm; ferrous sulfate was purchased from Zhenjiang Ruixin Chemical Co., Ltd.

[0039] (2) Preparation of Bacillus subtilis WJC11 and Bacillus cereus WJC2 liquid inoculum and solid inoculum: the preserved strains were inoculated on J medium (Shu Dan, Li Hong, Yan Jianhua, Chen Jinrui, Li Hui, Liu Chengjun. Bacillus hyperthermia Alkaline protease fermentation conditions and enzymatic properties research [J]. Sichuan University Journal (Natural Science Edition), 2004, 41 (4): 856-860.) After expanded culture in shaker liquid, inoculated in J medium according to routine Obtained by liquid or solid fermentation process.

[0040] (4) Preparation of compost additives: zeolite, ferrous sulfate, Bacillus subtilis WJC11 inoculum and Bacillus cereus WJC2 inoculum ...

Embodiment 2

[0042] Application effect of embodiment 2 compost additives in chicken manure composting

[0043] Set up 2 treatments, the material composition of the control and the additive treatment is shown in Table 1, wherein the compost additive is prepared according to the method of Example 1, and the bacterial agents of Bacillus subtilis WJC11 and Bacillus cereus WJC2 are solid bacterial agents. Composting raw materials are fresh chicken manure and rice bran with a fresh mass ratio of 4:1.

[0044] After mixing, adjust the moisture content of the compost heap to 60wt.%. The heap is in the shape of a triangular prism with a height of about 1.1-1.2m and a bottom width of about 2.0-2.2m.

[0045] Table 1 Composition of different treated materials (unit: kg)

[0046]

[0047] Each stack is turned by a stacker, and the stack is turned every 2 days (about 48 hours) during the stacking period. Immediately after the stack is turned, the base of the static box is inserted into the same hei...

Embodiment 3

[0057] Application effect of embodiment 3 composting additives in cow dung composting

[0058] 2 treatments are set, the material composition of contrast and additive treatment is shown in Table 3, wherein compost additive is directly added to compost raw material according to the method and mass ratio of embodiment 1, Bacillus subtilis WJC11 and Bacillus cereus WJC2 inoculum are liquid inoculum . Composting raw materials are fresh cow dung and rice bran with a fresh mass ratio of 4:1.

[0059] After mixing, adjust the moisture content of the compost heap to 60%. The heap is in the shape of a triangular prism with a height of about 1.1-1.2m and a bottom width of about 2.0-2.2m.

[0060] Table 3 Composition of different treated materials (unit: kg)

[0061]

[0062] Each stack is turned by a stacker, and the stack is turned every 2 days (about 48 hours) during the stacking period. Immediately after the stack is turned, the base of the static box is inserted into the same h...

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Abstract

An additive for reducing greenhouse gas emissions of livestock manure compost and application thereof are disclosed. The additive is a mixture composed of zeolite, ferrous sulfate, Bacillus subtilis WJC11 and Bacillus cereus WJC2 in a mass ratio of 50:30:1:1. The additive is used under the conventional operation process of compost. Compost production can be ensured while compost quality is improved, and emission of greenhouse gas in the composting process is preferentially reduced. Thereby, the environmental pollution caused by the gas release during the composting process is effectively controlled.

Description

technical field [0001] The invention belongs to the technical field of solid waste recycling in environmental pollution control, and in particular relates to an additive for reducing greenhouse gas emissions from livestock and poultry manure composting and its application. Background technique [0002] In recent years, my country's animal husbandry has developed rapidly, and the scale, intensification, and mechanization are getting higher and higher. At the same time, the discharge of livestock and poultry manure has increased sharply, which has brought huge pressure and threats to the environment we depend on for survival. . According to the data of the National Bureau of Statistics in 2010: in 2009, the discharge of livestock and poultry manure (feces + urine) in China was 3.264 billion tons of fresh weight, which was 1.6 times the total industrial solid waste discharge in the same period (National Bureau of Statistics of the People's Republic of China. China Statistical Ye...

Claims

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Application Information

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IPC IPC(8): C05F3/00C05F17/00
CPCC05F3/00C05F17/10C05F17/20Y02A40/20Y02W30/40
Inventor 王一明李慧杰林先贵
Owner INST OF SOIL SCI CHINESE ACAD OF SCI
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