NDLI: Foam Ingredients Transformation and Control Method of Leachate Treatment by MBR System

Content Provider	IEEE Xplore Digital Library
Author	Yao Hong Shan Wen-guang Sun Ming-Dong Lv Ze-yu
Copyright Year	2011
Abstract	In the present work, the formation of foam from leach ate in a bench-scale Membrane Bio-reactor(MBR) was analyzed, and three kinds of defoamers (A (triethyl phosphate), B (fungicide), C(silicone) )was studied to control biologic foam by parallely pilot. The conclusions were that (1) During the analysis of foam components, the ash, moisture and bacteria composition ratio was different in the various stages of foam formation, moisture is 189 ml/L, 164ml/L, 87 ml/L, 10 ml/L, ash is 334 ml/L, 445 ml/L, 128ml/L, 31 ml/L, Filamentous bacteria is 315 mg/L, 336mg/L, 2315 mg/L, 4521 mg/L respectively during start early phase, denitrification phase, bio-foam prophase to bio-foam serious phase. (2) From the variation analysis of filamentous bacteria, the effluent COD and VSS/SS, the flux and pressure difference of membrane corresponding to the three defoamers in the system confirmed that the C type of defoamer has the best control effect on biologic foam in all, but suit to short-term application, the A kind of defoamer was suit to long-term application. (3) There was a little effect on water quality when it is dosed with these three kinds of defoamers in the system, the effluent quality satisfied the integrated wastewater discharge standard and kill the filamentous bacteria effectively when the dosage of the C-type defoamer is 40mg/L.
Starting Page	75
Ending Page	79
File Size	400309
Page Count	5
File Format	PDF
ISBN	9781612842783
DOI	10.1109/CDCIEM.2011.272
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-02-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Biologic foam Microorganisms Moisture Effluents Ash Biomembranes Membrane Bio-reactor (MBR) Wastewater Leachate Defoamer
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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