NDLI: Performance of Soluble microbial products in hybrid membrane bioreactor with suspended carriers

Content Provider	IEEE Xplore Digital Library
Author	Qi-Yong Yang Wei-ping Zhang Xin-hua Zhang
Copyright Year	2011
Description	Author affiliation: School of Chemistry and Chemical Engineering, Jiujiang University, China, 332005 (Qi-Yong Yang; Wei-ping Zhang; Xin-hua Zhang)
Abstract	Soluble microbial products (SMP) would accumulate in membrane bioreactor (MBR) and result in membrane fouling due to the membrane rejection. A new hybrid membrane bioreactor with porous suspended carriers (HMBR) explored by author was effective in controlling membrane fouling. The behaviors of SMP in HMBR were investigated in such aspects as concentration variation with operation time, molecular weight distributions (MWDs), hydrophobicity, specific cake resistance of supernatant. UV254 absorbance indicated that SMP in HMBR increased with operation time. The MWDs experiments revealed that the distribution of SMP showed a double peaks curve, the two peaks appeared in high-molecular weigh (>100 kDa) and low- molecular weigh (< 2kDa), and the latter was far higher than the former. However, the former had an increasing tendency with operation time. The hydrophobicity of SMP in HMBR and MBR gradually increased with time, and the former had a higher increasing rate. The dead-end filtration tests were used to indicate the SMP effect on membrane fouling and the specific cake resistance of supernatant in HMBR and MBR were determined. The results showed that the specific cake resistance of supernatant had a large increasing tendency.
Starting Page	6970
Ending Page	6973
File Size	341101
Page Count	4
File Format	PDF
ISBN	9781424491728
e-ISBN	9781424491711
DOI	10.1109/RSETE.2011.5965968
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	Soluble microbial products (SMP) Hybrid membrane bioreactor (HMBR) Microfiltration Chemical engineering Specific cake resistance of supernatant Desalination Biomembranes Suspended carrier Sun Molecular weight distributions(MWDs) Immune system
Content Type	Text
Resource Type	Article

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