| abstract |
The present invention provides a biofilm carrier pretreatment method and a biological wastewater treatment process, wherein the biofilm carrier pretreatment method comprises soaking the biofilm carrier in a pretreatment solution containing activated bacteria, and the soaking conditions are as follows: Soak at 10～20℃ for 1～3d, and the activated bacteria are strains that secrete NADH oxidase. The NADH oxidase secreted by the pretreated biofilm carrier-coated activated bacteria can promote the production of polysaccharide polymers by microorganisms, promote the glycolysis of microorganisms and avoid the inhibition of microorganisms by peroxides. Applying the biofilm carrier pretreatment method of the present invention to sewage treatment can promote the rapid start of biofilm, even under low temperature conditions; The membrane structure is stable, the microbial density is high, and the species diversity is good, and it has a good application prospect in the field of sewage treatment. |