Study on the Change Law of Sludge Monitoring Indexes in Autothermal Thermophilic Aerobic Digestion Process
Autothermal thermophilic aerobic digestion(ATAD)is a relatively new technology for treating urban sludge at present.This technology has good sludge treatment effect,low treatment cost,and can basically make sludge harmless after about 15 days of treatment.This paper introduced the ATAD process,and monitored the changes of volatile organic compounds(VSS),dehydrogenase activity(DHA),pathogen inactivation,total nitrogen(TN),total phosphorus(TP),and protein of sludge during the process operation,and analyzed the change rule of these indicators,in order to provide reference for the follow-up resource utilization research of sludge.
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