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Composite microbial preparation with biodegradable flocculant and preparation method thereof

A technology of composite microorganisms and biological flocculants, applied in the direction of microorganism-based methods, biochemical equipment and methods, microorganisms, etc., can solve the resistance of sludge resource recycling, the inconvenience of high-temperature fermentation and dehydration of sludge, and the subsequent treatment of sludge Trouble and other problems, to achieve the effect of rapidly increasing the temperature of sludge fermentation

Pending Publication Date: 2020-08-25
郑州莫大生物科技研究院有限公司
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Problems solved by technology

[0004] However, the water storage capacity of biological flocculants is very strong, which brings great troubles to the subsequent treatment of sludge, especially the inconvenience of high-temperature fermentation and dehydration of sludge, which brings great resistance to the resource recycling of sludge.

Method used

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  • Composite microbial preparation with biodegradable flocculant and preparation method thereof
  • Composite microbial preparation with biodegradable flocculant and preparation method thereof
  • Composite microbial preparation with biodegradable flocculant and preparation method thereof

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Embodiment Construction

[0007] A composite microbial preparation with a biodegradable flocculant, characterized in that it includes the following components in parts by mass: 30 parts of Bacillus coagulans (Bacillus coagulans, strain number: CGMCC1.10302), 30 parts of Bacillus subtilis (Bacillus subtilis, strain Number: CGMCC 1.15792) 20 parts, cellulase (Cellulase) 10 parts, anhydrous glucose (Amylaceum) 140 parts.

[0008] The preparation method of the above-mentioned composite microbial preparation with degradable bioflocculant comprises the following steps:

[0009] Step 1, medium production:

[0010] Production of medium A: First, mix 4.5 parts of tryptone, 4 parts of beef extract, 2 parts of yeast powder, 1 part of glucose, 1 part of sodium acetate, 2 parts of light calcium carbonate, 0.4 parts of ammonium citrate, and 0.2 parts of Tween 80 1 part, 0.1 part of potassium chloride, 0.1 part of magnesium sulfate, 0.1 part of manganese sulfate, 100 parts of distilled water, heated to 55-70 ℃, stir...

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Abstract

The invention discloses a composite microbial preparation with a biodegradable flocculant. The composite microbial preparation with the biodegradable flocculant comprises the following components in parts by mass: 30 parts of Bacillus coagulans with the strain number of CGMCC1.10302, 20 parts of Bacillussubtilis with the strain number of CGMCC1.15792, 10 parts of Cellulase with the concentration of 8000U / g and 140 parts of amylaceum. The composite microbial preparation with the biodegradable flocculant is successfully developed by screening high-performance Bacillus and an enzyme preparation and performing scientific compatibility aiming at the characteristics of the biodegradable flocculant, and can quickly raise the sludge fermentation temperature, kill harmful microorganisms in sludge and quickly decompose the sludge through fermentation under the normal sludge high-temperature fermentation production management condition.

Description

technical field [0001] The invention relates to the technical field of environmental protection, in particular to a composite microbial preparation with a biodegradable flocculant and a preparation method thereof. Background technique [0002] Flocculants are widely used in water supply, industrial wastewater, urban sewage and sludge dehydration, post-treatment of fermentation industry, food industry and other fields. Traditional flocculants are inorganic flocculants and synthetic organic polymer flocculants. Inorganic flocculants are mainly two systems of iron salt and aluminum salt, and organic polymer flocculants are mainly polyacrylamide and its derivatives. At present, polyacrylamide is mostly used, which has the characteristics of less dosage and fast flocculation speed. However, because the monomers used to synthesize these polymers have strong neurotoxicity and strong "three-effect" effect, its application The scope is limited. [0003] Microbial flocculants (Micr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20C12N9/42C02F11/02C12R1/07C12R1/125
CPCC12N1/20C12N9/2437C02F11/02
Inventor 陈景岩胡福利周文君徐云翔郭超李敏周荣柱王启佩
Owner 郑州莫大生物科技研究院有限公司
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