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Inhibitory effects of inorganic and organic coagulants on acidogenic fermentation
- Authors
- Kim, Jong-Oh; Chung, Jinwook
- Issue Date
- Mar-2015
- Publisher
- KOREAN SOCIETY OF CIVIL ENGINEERS-KSCE
- Keywords
- acidogenic fermentation; inhibition; inorganic/organic coagulant; volatile fatty acid
- Citation
- KSCE JOURNAL OF CIVIL ENGINEERING, v.19, no.3, pp.572 - 577
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- KSCE JOURNAL OF CIVIL ENGINEERING
- Volume
- 19
- Number
- 3
- Start Page
- 572
- End Page
- 577
- ISSN
- 1226-7988
- Abstract
- The objective of this study is to evaluate the inhibitory effect of inorganic and organic coagulant on acidogenic fermentation in municipal wastewater treatment plant. It was found that the conversion from organic matter to Volatile Fatty Acid (VFA) decreased more than 10% when the dosages of coagulant exceeded 46 mg-Al/L and 120 mg-Fe/L. Inhibitory effect by Al on acidogenic fermentation was greater than that by Fe. When the dosage of organic polymer was over 102 mg/L, the VFA conversion fell to below 2%. Ultrasonic treatment could increase the VFA conversion for coagulated sludge for all the coagulants tested (over 12%).
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Related Researcher
- Kim, Jong Oh
- COLLEGE OF ENGINEERING (DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING)