2021
DOI: 10.3389/fenvs.2021.734277
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Synergetic Effect of Combined CaO2 and Microwave Treatment on Waste Active Sludge Dewaterability and Organic Contaminants’ Removal

Abstract: This study investigated the synergetic effect of the combined calcium peroxide (CaO2) and microwave (MW) treatment on waste active sludge dewatering properties and organic contaminants’ removal. The optimal sludge dewaterability was obtained at CaO2 (20 mg/gVSS)/MW (70°C), and the capillary suction time decreased by 52% compared with raw sludge. Further investigation indicated that total extracellular polymeric substances (EPS), tightly bound EPS, total protein, and protein present in tightly bound EPS were cl… Show more

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“…Chemical conditioning includes floc conditioning, oxidation conditioning, acid-base conditioning, aggregate conditioning, etc. The principles of sludge conditioning are generally based on the following three principles [11]. 1.…”
Section: Introductionmentioning
confidence: 99%
“…Chemical conditioning includes floc conditioning, oxidation conditioning, acid-base conditioning, aggregate conditioning, etc. The principles of sludge conditioning are generally based on the following three principles [11]. 1.…”
Section: Introductionmentioning
confidence: 99%