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Organic sludge and solid waste biological treatment process

A technology for organic sludge and biological treatment, applied in biological sludge treatment, biological organic part treatment, water/sludge/sewage treatment, etc., can solve the problems of large investment, high operation and maintenance costs, polluted air, etc. less, shorter days for composting, and less pollution

Inactive Publication Date: 2019-04-30
北京太和洁源科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] However, the investment in treating sludge by incineration is relatively large, and special equipment for sludge incineration needs to be purchased. The operation and maintenance costs are high, and substances such as dioxins will be produced during sludge incineration, which will pollute the air.

Method used

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  • Organic sludge and solid waste biological treatment process

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Embodiment

[0039] Organic sludge and solid waste biological treatment process of the present invention comprises the following steps:

[0040] (1) Fermentation pretreatment: import the organic sludge and solid waste to be processed into the mixing and stirring device, and add biological bacteria to it, mix and stir, and mix the EM bacteria with organic sludge and solid waste evenly, And adjust the water content to 65%±2%;

[0041] (2) Loose fermentation treatment: loosen the pretreated organic sludge and solid waste mixture, so that EM bacteria can form the leading bacteria in the fermentation of organic sludge and solid waste mixture in a short time, and make the organic sludge and solid waste The solid waste mixture completes the process of heating, fermentation, detoxification, addition, decomposition, adsorption and passivation. The fermentation process lasts for 7 days, and the fermentation temperature is 55°C-60°C;

[0042] (3) Optimized formula: it is the maturation and dehydrati...

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Abstract

The invention relates to the technical field of sludge treatment, and in particular, relates to an organic sludge and solid waste biological treatment process; an effective way is provided for treatment of organic sludge and solid waste, pollution to the environment is reduced, the costs is reduced, and the obtained finished product has good quality. The process includes the following steps: (1) fermentation pretreatment: guiding organic sludge and solid waste needing to be treated into a mixing and stirring device, adding biological bacteria to the mixing and stirring device, mixing and stirring, and mixing the biological bacteria with the organic sludge and solid waste evenly; (2) loosening fermentation treatment: carrying out loosening treatment of the material, completing heating, fermentation, detoxification, addition, decomposition, adsorption and passivation processes of the organic sludge and solid waste mixture, and lasting the fermentation process for 7 d; (3) formula optimization: aging and dewatering fermentation products of the organic sludge and solid waste; (4) crushing treatment; (5) screening treatment; and (6) packing and outward transportation.

Description

technical field [0001] The invention relates to the technical field of sludge treatment, in particular to a biological treatment process for organic sludge and solid waste. Background technique [0002] With the acceleration of my country's urbanization process and the improvement of urban water treatment capacity, the generation of organic sludge and solid waste is increasing year by year. Improper disposal of sludge will cause secondary pollution of the environment and waste of resources. At present, the disposal methods of organic sludge and solid waste include anaerobic fermentation technology, high-temperature composting technology, lime stabilization technology, incineration technology, thermal drying technology, etc. [0003] 1. Anaerobic digestion technology [0004] Anaerobic digestion of sludge is to reduce the content of organic matter by converting the organic matter in the sludge into biogas and carbon dioxide, and the generated biogas can be used comprehensiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/02C05F7/00C05F17/00C02F101/30
CPCC02F11/02C02F2101/30C05F7/00C05F17/00C05F11/08Y02W30/40Y02A40/20
Inventor 杨长有
Owner 北京太和洁源科技发展有限公司
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