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Preparation method of biological foaming agent based on microbial fermentation

A foaming agent and bio-based technology, applied in the field of foam, can solve the problems of corrosiveness of personnel and equipment, environmental pollution of the surrounding environment, insufficient foaming efficiency, etc., and achieve good environmental protection, low gas diffusion rate, and uniform foam and fine effect

Pending Publication Date: 2022-02-25
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, foaming agent has become a key factor affecting the application effect of foam technology. However, traditional foaming agents are generally chemical foaming agents, which have problems such as insufficient foaming efficiency, poor biodegradability, and certain toxicity. Increased usage and increased costs in applications are corrosive to personnel and equipment, and are easy to pollute the surrounding environment

Method used

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  • Preparation method of biological foaming agent based on microbial fermentation
  • Preparation method of biological foaming agent based on microbial fermentation

Examples

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Effect test

Embodiment example 1

[0022] Implementation Case 1: Foaming Basic Material for Mine Dust Suppression Foam Technology

[0023]First, prepare a 10ml test tube containing 5ml of liquid activation medium and two solid activation medium, pipette 0.5ml of liquid activation medium into the freeze-drying tube, mix thoroughly, and pour the bacterial solution back into the solid-state activation culture base, mix evenly, absorb the bacterial solution, and evenly spread it on the solid-state activated medium plate, each plate is coated with 0.2ml of the bacterial solution, and the whole process should be completed on a sterile operating table. Place the liquid activation medium and the solid activation medium in a constant temperature incubator at 37°C for 24 hours; if the colonies in the liquid activation medium are pale pink, round, with irregular edges, wrinkled, opaque, and turn from wet to dry The flat colony shape, and the solid-state activation medium microscopic colony is obvious, it shows that the st...

Embodiment example 2

[0028] Implementation case 2: Foaming base material for mine fire foam technology

[0029] First, prepare a 10ml test tube containing 5ml of liquid activation medium and two solid activation medium, pipette 0.5ml of liquid activation medium into the freeze-drying tube, mix thoroughly, and pour the bacterial solution back into the solid-state activation culture base, mix evenly, absorb the bacterial solution, and evenly spread it on the solid-state activated medium plate, and apply 0.3ml of the bacterial solution on each plate. The whole process should be completed on a sterile operating table. Place the liquid activation medium and the solid activation medium in a constant temperature incubator at 37°C for 36 hours; if the colony in the liquid activation medium is pale pink, round, with irregular edges, wrinkled, opaque, and turns from wet to dry The flat colony shape, and the solid-state activation medium microscopic colony is obvious, it shows that the strain can be used as ...

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Abstract

The invention discloses a preparation method of a biological foaming agent synthesized by a biological fermentation technology, the main components of the foaming agent comprise 0.01-0.05% o of active substances, a specific strain is subjected to enlarged culture and fermentation synthesis in a suitable environment, the solubility of the product is changed by adjusting the acid-base property of the solution after fermentation, the product is precipitated, and high-speed centrifugation by a centrifugal machine, organic solvent extraction and rotary evaporation are performed to obtain a target product with relatively high purity. The biological foaming agent has relatively strong foaming capacity, can quickly generate fine and dense foam after being mixed by taking gas as power, has excellent foaming performance, is non-toxic and degradable, has a green and environment-friendly production process, has the advantages of good foaming effect, convenience in use and low cost, and a high-quality foaming material can be provided for technologies of fire-fighting foam extinguishment, mine foam dust fall, foam flotation and the like.

Description

technical field [0001] The invention belongs to the field of foam technology, in particular to a biological foaming agent and a preparation method. Background technique [0002] Foam usually refers to an aggregate of bubbles separated by a liquid film, which can be used for fire fighting foam fire suppression, mine foam dust suppression, foam flotation and oil displacement technology, etc. Generally speaking, it is difficult for water to form foam directly. It is necessary to add a foaming agent to the water and disperse the gas phase in the liquid phase by means of air blowing and stirring to generate bubbles. The active substance can effectively reduce the surface tension of the liquid, and the molecules The hydrophilic and hydrophobic groups in the liquid film are affected by the hydrophobic effect after being dissolved in water. The hydrophilic end extends into the water and the hydrophobic end extends into the air. The double electron layer is arranged on the surface of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P21/00C07K1/30C12N1/20C12N1/04C12Q1/04C12R1/10C12R1/125
CPCC12P21/00C07K14/32C12N1/20C12N1/04C12Q1/04
Inventor 王和堂章琦赵侠张瑜范岚
Owner CHINA UNIV OF MINING & TECH
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