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Composite microbial agent, preparation method thereof and salty sewage treatment method

A composite bacterial agent and sewage technology, applied in the direction of microorganism-based methods, biochemical equipment and methods, chemical instruments and methods, etc., to achieve the effects of increased scope, wide application range, and easy treatment

Inactive Publication Date: 2014-04-23
徐州煤炭工业环保设备工程公司
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AI Technical Summary

Problems solved by technology

[0005] However, the current research focuses on the treatment of a single type of high-salt industrial wastewater by halophilic bacteria. For the simultaneous treatment of sewage with different salinities, the compound bacterial agent with a wide range of applications and outstanding effects needs to be further developed.

Method used

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with embodiment.

[0025] The present invention overcomes the deficiencies in the design of the existing bacterial agents, fully exerts the positive effects of each microorganism in the microbial agent, ensures the effective utilization of each functional microorganism in the inoculum agent, and provides a sewage that can treat different salinity in different environments compound bacteria.

[0026] The technical solution of the present invention is: a composite bacterial agent, including halophilic archaea, halophilic bacteria and salt-tolerant bacteria. In above-mentioned embodiment, the bacterial count of halophilic archaea is 10 7 -10 8 individual / L, the bacterial count of halophilic bacteria is 10 8 -10 9 individual / L, the bacterial count of salt-tolerant bacteria is 10 8 -10 9 a / L. All the above-mentioned bacteria can be purchased commercially or obtained from relevant microorganism deposi...

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Abstract

The invention discloses a composite microbial agent, a preparation method thereof and a salty sewage treatment method. The composite microbial agent comprises halophilic archaea, halophilic bacteria and halotolerant bacteria. The preparation method comprises the following steps of performing liquid culturing on each component under different salinities respectively, and mixing bacterium solutions to obtain the composite microbial agent when each bacterium solution contains a certain amount of bacteria. The composite microbial agent can be added into salty sewage to treat the salty sewage. Different strains in the composite microbial agent are in different growth states under different salty conditions, and advantages in the growth of the strains within high, medium and low major salty ranges are achieved, so that the microbial agent can be used for treating organic sewage with different salinities, and is wide in application range.

Description

technical field [0001] The invention relates to a composite bacterial agent, a preparation method of the composite bacterial agent, and a method for treating salty sewage by using the composite bacterial agent. Background technique [0002] In recent years, with the acceleration of urbanization and rapid economic development, fresh water resources have become increasingly scarce, and many coastal cities have begun to implement direct use of seawater, such as for industrial cooling water, industrial production water, and urban domestic water. The increase in the use of seawater will lead to an increase in the discharge of high-salinity sewage. At the same time, with the rapid development of industry, the discharge of high-salinity industrial sewage is also increasing rapidly. [0003] At present, the treatment methods for high-salinity sewage include electrolysis, membrane separation, incineration or deep well injection, but these methods are difficult to be popularized in p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20C02F3/34C12R1/01C12R1/07
Inventor 温洪宇赵英刚
Owner 徐州煤炭工业环保设备工程公司
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