Microorganism immobilization method of special filler for artificial wetland

Abstract

The invention provides a microorganism immobilization method of special filler for an artificial wetland, and solves the problems that the existing artificial wetland treating technology is difficultly applied to sewage and wastewater on a large scale, the filler treating effect is poor and the utilization rate of effective microbes is low. According to the microorganism immobilization method, a volcanic rock filler is sprayed and soaked by using a nutrient solution prepared from a carbon source, a nitrogen source and phosphate, twice activation is performed to dissolve the carbon source nutrient, the nitrogen source nutrient and the phosphate nutrients in the nutrient solution into the surface and a gap of the volcanic rock filler, the special filler is arranged onto the artificial wetland to enable biofilm culturing startup of microorganisms within a short time so as to rapidly improve attaching, breeding and immobilizing incremental effects of the special filler for the wetland on original microorganisms or external strains, so that the wetland can achieve an expected treatment effect; after twice activation, in the running process of the artificial wetland, denitrifying and dephosphorizing superior strains can be rapidly screened out naturally and are attached to the surface of the special filler in a centralized way, and further the microorganism immobilization of the special filler for the artificial wetland is achieved.

Description

technical field [0001] The invention relates to the technical field of sewage treatment in constructed wetlands, in particular to a method for immobilizing microorganisms in special fillers for constructed wetlands. The fillers immobilized by microorganisms can improve the sewage treatment efficiency of constructed wetlands. Background technique [0002] At present, the use of constructed wetland technology to improve and purify sewage and wastewater that is harmful to the ecological environment has been widely used. The constructed wetland technology has the characteristics of low investment, low operating costs, and improvement and beautification of the ecological environment. However, for some sewage and wastewater with poor biochemical properties and unreasonable nutrient ratios, it is difficult to achieve the expected effect only by relying on conventional constructed wetland process technology and existing fillers, which limits the application of constructed wetland tec...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for the immobilization of filler microorganisms for artificial wetlands, which solves the problems that the existing artificial wetland treatment technology is difficult to apply to a variety of sewage and wastewater, the filler treatment effect is poor, and the effective microbial bacteria utilization rate is low.