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Laboratory and Pilot-Scale Studies of PVA Biodegradation
Yedes A. F Adou,Kazuichi Yoshida,Kiyoshi Suzuki,Joseph Rouse,Ji Hayng Kweon 대한환경공학회 2005 대한환경공학회 학술발표논문집 Vol.2005 No.12
In this research, the biodegradability of PVA and the elimination of COD were tested both in a laboratory-scale experimental set up and in a pilot plant. The removal of the target elements were operated first with sludge from a municipal wastewater treatment plant, and then with colonies of A cinetobacter sp., Acinetobacter junii, and Pseudomonas sp isolated from the same sludge. Synthetic as well as real wastewater samples were used. At slightly different rates, both the sludge and the isolated microorganisms removed PVA and COD. This research is an important contribution in the use of isolated microorganisms to decompose PVA, major contributors of COD and BOD in textile wastewater, into gaseous carbon dioxide, and thereby reducing excess sludge in activated sludge plants.