Composite microbial bacterium stock solution suitable for sewage treatment and active liquid culture method

Abstract

The invention discloses a compound microorganism bacterium stock solution suitable for sewage treatment and an active liquid culture method, and relates to the technical field of sewage treatment and microorganisms. The compound microorganism bacterium stock solution comprises bacillus subtilis, rhodococcus, pseudoalteromonas, thiobacillus denitrificans, bifidobacterium, saccharomycetes and a solid granular carrier. The carrier is added into the composite microorganism bacterium stock solution, so that microorganisms are attached to the carrier for proliferation and agglomeration growth, the effect of the composite microorganism bacterium stock solution on water body treatment is guaranteed, and the problem that the ammonia nitrogen removal rate is too low due to the fact that the microorganisms are not uniformly dispersed in the water body is solved.

Description

technical field [0001] The invention relates to the technical fields of sewage treatment and microorganisms, in particular to a method for cultivating compound microbial bacterial stock solution and active solution suitable for sewage treatment. Background technique [0002] With the development of modern industry, water pollution is becoming more and more serious. At present, common methods of sewage treatment include traditional physical methods, chemical methods and new biological methods. Physical methods are the most environmentally friendly and energy-saving, but there must be problems with weak purification capabilities. Chemical methods also have defects such as high cost and high requirements. It is favored by people. However, because most of the traditional sewage treatment microbial agents are in a liquid state, the agent and its additives cannot be recovered after use. This increases the cost again on the basis of the high cost of the biological method itself. In...

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Problems solved by technology

At present, common methods of sewage treatment include traditional physical methods, chemical methods and new biological methods. Physical methods are the most environmentally friendly and energy-saving, but there must be problems with weak purification capabilities. Chemical methods also have defects such as high cost and high requirements. It is favored by people. However, because most of the traditional sewage treatment microbial agents are in a liquid state, the agent and its additives cannot be recovered after use. This increases the cost again on the basis of the high cost of the biological method itself. In addition, Since the bacteria liquid is put into the waste water or sludge environment to be treated and dispersed directly, although the bacteria directly contact with the solution or suspension of the material to be treated, it also causes the growth environment of the bacteria to be directly opened to the sewage environment, resulting in bacterial colonies The growth environment is extremely unstable, which has a serious negative impact on the growth and survival of the bacterial flora and its treatment effect on sewage

The traditional sewage treatment microbial liquid, after using it for sewage treatment, the bacteria itself will cause secondary pollution to the water body, and it is not easy to settle in the subsequent treatment, which increases the difficulty and cost of the subsequent treatment. At the same time, if the bacterial liquid contains other medium groups Similarly, these components also form secondary pollution to the water body, further increasing the difficulty and cost of subsequent steps

Finally, due to the heavy weight of the bacteria itself, adding them to the water body will lead to uneven distribution in the water. In some cases, most of the bacteria in the bacteria liquid will be distributed in the lower part of the water body, which also reduces the removal rate of ammonia nitrogen. , a major factor in reducing the effect of sewage treatment