Method for starting single-stage self-supported denitrification reactor
An autotrophic denitrification and reactor technology, applied in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve the problem of slow growth rate of anammox bacteria and restrict the reactor The problems of the device startup process and the slow growth rate of autotrophic microorganisms have achieved the effect of simple and easy startup method, shortened startup time, and reduced startup difficulty.
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[0013] The start-up method of the single-stage autotrophic denitrification reactor of the present invention is based on the following ideas: in the biofilm sequencing batch reactor with internal fillers, aerobic sludge and anaerobic sludge are used as inoculum to domesticate and cultivate nitrifying bacteria , to build a microbial system dominated by autotrophic bacteria (nitrosobacteria, nitrifying bacteria); then create suitable operating conditions to control the oxidation of ammonia nitrogen to nitrous acid stage, that is, the process of inhibiting nitrifying bacteria and enriching nitrosobacteria. A microbial system dominated by nitrifying bacteria; finally, on the basis of a stable nitrous acid system, control the operating conditions, optimize the microenvironment where nitrosifying bacteria and anammox bacteria coexist, and promote the growth and enrichment of anammox bacteria, thus successfully Start the single-stage autotrophic denitrification system.
[0014] The re...
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