Microwave and its combined processes: an effective way for enhancing anaerobic digestion and dewaterability of sewage sludge? | Zendy

Jibao Liu | Zendy; Juan Tong | Zendy; Yuansong Wei | Zendy; Yawei Wang | Zendy

Open Access

Microwave and its combined processes: an effective way for enhancing anaerobic digestion and dewaterability of sewage sludge?

Author(s) -

Jibao Liu,

Juan Tong,

Yuansong Wei,

Yawei Wang

Publication year - 2015

Publication title -

journal of water reuse and desalination

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.548

H-Index - 16

eISSN - 2408-9370

pISSN - 2220-1319

DOI - 10.2166/wrd.2015.120

Subject(s) - anaerobic digestion , sewage sludge , chemistry , digestion (alchemy) , pulp and paper industry , organic matter , waste management , anaerobic exercise , methane , sewage , chromatography , biology , engineering , physiology , organic chemistry

The enhancement for sludge anaerobic digestion and dewaterability were investigated in sludge pretreated by microwave (MW) and its combined processes. The results showed that microwave and its combined processes can efficiently release soluble organic matter and thus enhance anaerobic digestion of sludge. The cumulative methane production in the test of the MW-H2O2-OH (0.2) process was increased by 13.34% compared with that of the control. The MW-H process was effective in improving sludge dewaterability, e.g., the capillary suction time (CST) at only 9.85S.

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