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Composition or compound microbial agent for treating sludge

A composite bacterial agent and composition technology, applied in the field of environmental governance, can solve problems such as high water content, complex components, secondary pollution, etc.

Active Publication Date: 2020-08-18
陕西文岭微生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

River and lake sludge has complex components, rich in organic matter and high water content, accompanied by pungent odor, and some also contain a large amount of heavy metal ions, so random stacking not only takes up a lot of land, but also easily causes secondary pollution

Method used

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  • Composition or compound microbial agent for treating sludge
  • Composition or compound microbial agent for treating sludge
  • Composition or compound microbial agent for treating sludge

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preparation example Construction

[0091] On the other hand, the present application also relates to a preparation method of a composite bacterial agent, comprising:

[0092] Bacillus subtilis, Bacillus megaterium, Pseudomonadaceae, Sphingobacterium thalpophilum, Candida tropicalis, Bacillus firmus firmus) and Lactobacillus plantarum (Lactobacillus plantarum) at least six kinds are cultured separately; and obtain the respective cultures of the strains, and mix the cultures according to the combination to obtain the composite microbial agent;

[0093] Optionally, the above culture is solid culture, semi-solid culture or liquid culture.

[0094] In one embodiment, the Bacillus subtilis, Bacillus megaterium, Pseudomonas, Candida tropicalis, Bacillus firmus and Lactobacillus plantarum, Bacillus subtilis, Bacillus megaterium, Mesophilic Sphingobacterium, Candida tropicalis, Bacillus firmus, and Lactobacillus plantarum, Bacillus subtilis, Pseudomonas, mesophilic Sphingobacterium, Candida tropicalis, Bacillus firmus,...

Embodiment 1

[0191] Location: Weifang City, Shandong Province

[0192] Time: March 15, 2015

[0193] Temperature: 10℃~20℃

[0194] The solid bacterial agent of Bacillus subtilis, the solid bacterial agent of Bacillus megaterium, the solid bacterial agent of Pseudomonas aeruginosa and the solid bacterial agent of Sphingobacterium mesophilus are mixed according to the weight ratio of 1:1:1:1 to obtain the composite bacterial agent A: Mix the solid Bacillus firmus agent, Candida tropicalis solid agent and Lactobacillus plantarum solid agent according to the dry weight ratio of 1:1:1 to obtain the composite agent B.

[0195] This time, 800 cubic meters of dredged sludge in Weifang City were treated, which were divided into five parts on average. To the control group, 10% of the volume of the sludge to be treated was added to crushed straw (corn stalks, with a particle size of 5-15mm), mixed and directly stacked in the open field for treatment to obtain the solids of the control group. The t...

Embodiment 2

[0200] Location: Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province

[0201] Time: June 10, 2015

[0202] Temperature: 20℃~30℃

[0203] The solid bacterial agent of Bacillus subtilis, the solid bacterial agent of Bacillus megaterium, the solid bacterial agent of Pseudomonas aeruginosa and the solid bacterial agent of Sphingobacterium mesophilus are mixed according to the weight ratio of 1:1:1:1 to obtain the composite bacterial agent A: Mix the solid Bacillus firmus agent, Candida tropicalis solid agent and Lactobacillus plantarum solid agent according to the dry weight ratio of 1:1:1 to obtain the composite agent B.

[0204] This time, 500 cubic meters of river dredging sludge in Wenzhou City will be treated, which will be divided into two parts on average. To the control group, 10% of the volume of the sludge to be treated (particle size: 5-15 mm) was added, mixed and directly stacked in the open field for treatment to obtain the solids of the control group. The...

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Abstract

The invention provides a composition, a composite bacterium agent and application thereof. The composition or the composite bacterium agent comprises a composition of at least six or seven strains from bacillus subtilis, bacillus megatherium, pseudomonad, sphingobacterium thalpophilum, candida tropicalis, bacillus firmus and lactobacillus plantarum. The application includes sludge treatment.

Description

technical field [0001] This application belongs to the field of environmental governance. Specifically, the present application relates to a composition or a composite microbial agent for treating sludge. Background technique [0002] In recent years, with our country's emphasis on environmental protection, many local governments have carried out dredging and treatment of rivers and sewage drains within their jurisdictions, which has also produced a large amount of silt. River and lake sludge has complex components, rich in organic matter and high water content, accompanied by pungent odor, and some also contain a large amount of heavy metal ions. Therefore, random stacking not only takes up a lot of land, but also easily causes secondary pollution. If the sludge from rivers and lakes cannot be disposed of in time, the foul smell emitted will also have a great impact on the lives of nearby residents. [0003] At present, there are two main methods of restoration of river a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20C12N1/16C09K17/14C02F11/02C12R1/125C12R1/11C12R1/38C12R1/385C12R1/39C12R1/74C12R1/07C12R1/25C12R1/01
CPCC02F11/02C09K17/14C12N1/16C12N1/20
Inventor 陈五岭黄敏刚
Owner 陕西文岭微生物科技有限公司
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