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Organic solid waste aerobic fermentation conditioner as well as preparation method and use method thereof

A technology for aerobic fermentation and organic solids, which is applied in the field of solid waste recycling, can solve the problems of increasing the cost of aerobic fermentation, large demand for conditioners, and complex components, achieves excellent biological fermentation regulation, and promotes resource circulation. Use, high degree of harmless effect

Active Publication Date: 2021-06-11
NINGBO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The aerobic fermentation process requires the addition of conditioners. At present, the commonly used conditioners include wood chips, sawdust, straw, etc., but the above-mentioned conditioners are easily subject to seasonal and regional restrictions. For large-scale aerobic fermentation treatment of waste, conditioners The demand is large, the density of the above conditioners is small, the volume is large, it is not easy to transport and store, and the cost of aerobic fermentation is increased
[0003] Chinese invention patent (CN201310077278.4) uses charcoal as an auxiliary material, and Chinese invention patent (CN200810137214.8) uses zeolite as an auxiliary material, and the auxiliary material is recycled after composting, but the recovery rate is difficult to guarantee
Chinese invention patent (CN201811125692.7) discloses a compost conditioner, but its components are complex and the production process is cumbersome

Method used

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  • Organic solid waste aerobic fermentation conditioner as well as preparation method and use method thereof
  • Organic solid waste aerobic fermentation conditioner as well as preparation method and use method thereof
  • Organic solid waste aerobic fermentation conditioner as well as preparation method and use method thereof

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Embodiment Construction

[0043] The present invention will be further described below in conjunction with accompanying drawing.

[0044] An organic solid waste aerobic fermentation conditioner of the present invention comprises: cement, pumice, sand, metakaolin and biochar, and the mass fractions of each component are respectively: 27%-31% for cement, and 15% for pumice -25%, sand 43%-50%, metakaolin 2.5%-3.5%, biochar 1.5%-2.5%.

[0045] In one embodiment of the present invention, the cement includes slag portland cement PS52.5.

[0046] In one embodiment of the present invention, the pumice stone includes porous volcanic stone with a diameter of 5-8mm.

[0047] In one embodiment of the present invention, the fineness of the metakaolin is 1250 mesh; the metakaolin is made from kaolin ore through processes such as beneficiation, crushing, grinding and calcination. Highly pozzolanic active material.

[0048] In one embodiment of the present invention, the biochar is high-quality powdered activated c...

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Abstract

The invention discloses an organic solid waste aerobic fermentation conditioner as well as a preparation method and a use method thereof, the conditioner comprises the following components in percentage by mass: 27%-31% of cement, 15%-25% of pumice stone, 43%-50% of sand, 2.5%-3.5% of metakaolin and 1.5%-2.5% of biochar; the conditioner is combined with organic solid waste to achieve a good aerobic fermentation effect; the raw material components are simple, the manufacturing process is simple and convenient, the size is small, the density is low, and the raw materials are easily screened out and recycled after the aerobic fermentation process is finished; and compared with a traditional conditioner, the conditioner is lower in application cost, does not have the problems of site occupation and transportation, can be prepared at any time, and meets application requirements.

Description

technical field [0001] The invention relates to the technical field of solid waste recycling, in particular to an organic solid waste aerobic fermentation conditioner, a preparation method and a use method thereof. Background technique [0002] With the development of social economy, the total amount of organic solid waste is gradually increasing. If these wastes cannot be effectively treated, they will cause serious pollution to the environment. Aerobic fermentation is an effective means of waste harmless treatment and resource utilization, and has been widely studied and applied at home and abroad. Through the aerobic fermentation process, the reduction of organic solid waste can be achieved, the harmless level of waste can be improved, and resource utilization can be realized. The aerobic fermentation process requires the addition of conditioners. Currently, commonly used conditioners include wood chips, sawdust, straw, etc., but the above-mentioned conditioners are eas...

Claims

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Application Information

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IPC IPC(8): C05F17/10
CPCC05F17/10Y02W30/40
Inventor 蔡璐曹梦珂王洋彦郭函彤王侃
Owner NINGBO UNIV
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