期刊
APPLIED WATER SCIENCE
卷 7, 期 2, 页码 535-542出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s13201-015-0305-z
关键词
Biodegradability; Kinetics; Sludge; Organic loading rate; Specific methanogenic activity
Specific methanogenic activity (SMA) determines the methane-producing capability of the sludge for a specific substrate. Methanogenic activity test can be used to delineate the operating conditions for anaerobic systems and a parameter to assess the system performance by giving a better perceptive of the system and its stability. At the beginning of the start-up period of a new digester, the SMA is of great importance for the determination of proper initial organic loading rate. In different phases, a regular determination of SMA also ascertains the development stages of the sludge. Also, a change in SMA indicates an inhibition or an accumulation of slow degradable or even non-biodegradable organic matter from the influents. This paper reviews the SMA of anaerobic sludge under different operating conditions using different substrates.
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