Composite microbial inoculum for treating micro polluted source water under low temperature condition and preparation method thereof

Abstract

The invention relates to a composite microbial inoculum for treating micro polluted source water under the low temperature condition and a preparation method thereof, in particular to a composite microbial inoculum and a preparation method thereof, aiming at solving the problems that the existing microbial inoculum has low biological activity and slow growth velocity under the low temperature condition; when organic matter and ammonia nitrogen are treated in the water, organic and toxic substances are difficult to degrade, and nitrite and nitrate are accumulated; and secondary pollution for the environment is caused by the generated N2O. The product composite microbial inoculum is made of acinetobacter lwoffiiSRA10, acinetobacter calcoaceticus PHEA-2, bacillus megatherium X2 and fluid nutrient medium. The method comprises: 1. activation treatment is carried out on raw strain; 2. accumulation culture; 3. after being mixed according to the volume ratio, the strain is added into the fluid nutrient medium; finally, the composite microbial inoculum is obtained. The obtained composite microbial inoculum has high biological activity and fast growth and can be used for treating the micro polluted source water with remarkable effect under the low temperature condition; furthermore, the nitrite and the nitrate are not accumulated, and no N2O is generated, so that the composite microbialinoculum is safe and reliable.

Description

Composite bacterial agent for treating slightly polluted source water under low temperature conditions and preparation method thereof technical field The invention relates to a composite bacterial agent and a preparation method thereof. Background technique In recent years, with the development of my country's industry and the increase of agrochemicals, drinking water sources have been seriously polluted, and there is a development trend; slightly polluted source water refers to organic matter pollution, which makes the indicators of some projects exceed the hygienic standards. The pollutants contained in this kind of water are many kinds and complex in nature, and its water quality is mainly affected by the discharged industrial wastewater and domestic sewage. In the river water sources, the content of ammonia nitrogen, total phosphorus, chroma, organic matter, etc. exceeds the standard. On the water source of lakes and reservoirs, it is manifested as eutrophication of re...

AI Technical Summary

Problems solved by technology

The purpose of the present invention is to solve the low biological activity and slow growth rate of existing bacterial agents under low temperature conditions; when organic matter and ammonia nitrogen in water are treated, organic and toxic substances are difficult to degrade, nitrite and nitrate in water accumulate, and N2O is produced To solve the problem of secondary pollution to the environment, and provide a composite bacterial agent for treating slightly polluted source water under low temperature conditions and a preparation method thereof

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