NDLI: Effect and mechanism of microwave irradiation and alkaline solubilization as a combined method on sludge

Content Provider	IEEE Xplore Digital Library
Author	Zheng Zhen Yu Xu Liu Bin
Copyright Year	2011
Description	Author affiliation: School of Environment and Architecture, University of Shanghai for Science &Technology, China (Zheng Zhen; Yu Xu; Liu Bin)
Abstract	The objective of this study is to investigate the effect and mechanism of pretreating sewage slugde with microwave / alkali as a combined method, also the improvement of anaerobic digestionby of treated sludge was tested by biochemical methane potential (BMP) procedure. The results showed that synergistic effect was played between microwave irradiation and alkali. The SCOD of liquor reached 2684mg/L, 2960mg/L, 3126mg/L respectively, when the time to pretreat sewage slugde with MW800w + pH 10,11,12 was 300s. It is a good explanation that the process of increase in SCOD by observing the sludge biological phases with microscope, which two sludge crack processes in the cells under pretreatmnet using microwave were clearly saw, floc disinteg - ration and cell break. Not only the time of sludge anaerobic digestion after microwave / alkali pretreatment reducesd, but also gas production increased, and the gas production of MW800w + pH10 group reached a maximum 204.3mL on $6^{th}$ day.
Starting Page	1135
Ending Page	1138
File Size	516011
Page Count	4
File Format	PDF
ISBN	9781424491728
e-ISBN	9781424491711
DOI	10.1109/RSETE.2011.5964480
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sludge reduction Microwave technology Radiation effects Microscopy Alkaline pretreatment Production Cells (biology) Computer architecture Microwave
Content Type	Text
Resource Type	Article

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