Characterisation and biodegradation of settleable organic matter for domestic wastewater | Zendy

Derin Orhon | Zendy; Didem Okutman Taş | Zendy; Güçlü İnsel | Zendy

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Characterisation and biodegradation of settleable organic matter for domestic wastewater

Author(s) -

Derin Orhon,

Didem Okutman Taş,

Güçlü İnsel

Publication year - 2002

Publication title -

water sa

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.389

H-Index - 59

eISSN - 1816-7950

pISSN - 0378-4738

DOI - 10.4314/wsa.v28i3.4898

Subject(s) - biodegradation , aeration , wastewater , hydrolysis , organic matter , limiting , biomass (ecology) , environmental science , fraction (chemistry) , chemistry , pulp and paper industry , environmental engineering , environmental chemistry , chromatography , ecology , biology , engineering , organic chemistry , mechanical engineering

Biodegradation of settled COD is studied by evaluating the associated OUR profile obtained in an aerated batch reactor. Hydrolysis was selected, as in current modelling, as the rate-limiting step for O 2 consumption. Settled COD was found to incorporate a significant fraction of active biomass that needs to be accounted for in the evaluation. The analysis of the OUR profile yielded a significantly slower hydrolysis mechanism for settled COD, compared to its soluble slowly biodegradable counterpart.

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