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Decomposition promoting agent for aerobic composting of kitchen garbage and preparation method thereof

A technology for aerobic composting and kitchen waste, which is applied in the field of composting accelerators, which can solve the problems of large temperature influence, long maturity period of aerobic composting, nitrogen loss, etc.

Inactive Publication Date: 2021-06-04
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the maturity period of aerobic composting is longer, and it is greatly affected by temperature, and there is nitrogen loss in the process.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A decomposing agent for aerobic composting of kitchen waste, comprising: 0.5 parts of biological bacteria agent, 1 part of zeolite, 0.1 part of molybdenum dioxide, 1 part of manganese dioxide, 0.1 part of zero-valent iron, and coconut Silk 10 parts.

[0026] Put the zeolite into the muffle furnace and calcined at 500°C for 1 hour, then mix it evenly with the rest of the components, add 100 parts by weight of kitchen waste for composting, and the time to reach the maturity period of composting is compared with that without adding a decomposing agent The composting maturity time of kitchen waste was shortened by 35%.

Embodiment 2

[0028] A decomposing agent for aerobic composting of kitchen waste, comprising: 0.5 parts of biological bacteria agent, 1 part of zeolite, 0.5 parts of molybdenum dioxide, 2 parts of manganese dioxide, 0.5 parts of zero-valent iron, and coconut Silk 10 parts.

[0029] Put the zeolite into the muffle furnace and calcined at 500°C for 1 hour, then mix it evenly with the rest of the components, add 100 parts by weight of kitchen waste for composting, and the time to reach the maturity period of composting is compared with that without adding a decomposing agent The composting maturity time of kitchen waste was shortened by 25%.

Embodiment 3

[0031] A decomposing agent for aerobic composting of kitchen waste, comprising: 0.5 parts of biological bacteria agent, 1 part of zeolite, 0.3 parts of molybdenum dioxide, 1.5 parts of manganese dioxide, 0.3 parts of zero-valent iron, and coconut Silk 10 parts.

[0032] Put the zeolite into the muffle furnace and calcined at 500°C for 1 hour, then mix it evenly with the rest of the components, add 100 parts by weight of kitchen waste for composting, and the time to reach the maturity period of composting is compared with that without adding a decomposing agent The composting maturity time of kitchen waste was shortened by 30%.

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Abstract

The invention discloses a decomposition promoting agent for aerobic composting of kitchen garbage and a preparation method thereof. The decomposition promoting agent comprises the following components: a biological agent, an inorganic carrier and a small part of organic matters. The biological agent comprises nitrogen-fixing bacteria, bacillus, saccharomycetes, micromonospora and aspergillus. The inorganic carrier is zeolite modified at high temperature, molybdenum dioxide, manganese dioxide and part of zero-valent iron. The small part of organic matters are coconut shreds. The decomposition promoting agent can quickly degrade macromolecular substances within a certain time, accelerates compost decomposition, and has the characteristics of high temperature resistance and acceleration of the composting process.

Description

technical field [0001] The invention relates to the technical field of composting maturation-promoting agents, in particular to a decomposing-promoting agent for aerobic composting of kitchen waste and a preparation method thereof. Background technique [0002] In recent years, the proportion of kitchen waste in urban life in my country has continued to increase. Due to the characteristics of high moisture, high salt content, high organic matter, and high oil, kitchen waste is prone to leachate and odor during collection and transportation, and is easy to corrode and deteriorate. The environment is more harmful. At present, the treatment methods of kitchen waste in my country are mainly landfill and incineration. Landfill requires a special landfill, which occupies a lot of land, and the natural decay process will produce odor, breed mosquitoes and flies, and cause damage to the surrounding environment. Great impact, especially in cities, there are problems such as limited la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F9/04C05F17/20C05F17/50C12N1/20C12N1/16C12N1/14C12R1/07C12R1/29C12R1/66
CPCC05F9/00C05F17/20C05F17/50C05F9/04C12N1/20C12N1/16C12N1/14Y02W30/40Y02A40/20
Inventor 朱超张涵瑞郭中瑞张文婷王河有
Owner SHAANXI UNIV OF SCI & TECH
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