A Polyvinyl Chloride Hollow Membrane Biofilm Reactor for Autohydrogenotrophic Denitrification of Drinking Water

A novel polyvinyl chloride hollow fiber was used in a membrane biofilm reactor (MBfR) as bubbleless gas-permeable membrane of H 2 to remove nitrate from contaminated drinking water. The reactor was operated continuously over 103 days, and the results showed that the nitrate flux of 1.38 g/m 2 d was...

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Bibliographic Details
Published in2009 International Conference on Energy and Environment Technology Vol. 2; pp. 385 - 388
Main Authors Yanhao Zhang, Siqing Xia, Fohua Zhong, Ning Yang
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2009
Subjects
Autohydrogenotrophic denitrification
Biomembranes
Carbon dioxide
drinking water
Educational institutions
Effluents
Electrons
Hydrogen
Inductors
Membrane biofilm reactor
Microorganisms
Polyvinyl chloride membrane
Water pollution
Water resources
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Summary:A novel polyvinyl chloride hollow fiber was used in a membrane biofilm reactor (MBfR) as bubbleless gas-permeable membrane of H 2 to remove nitrate from contaminated drinking water. The reactor was operated continuously over 103 days, and the results showed that the nitrate flux of 1.38 g/m 2 d was achieved at the influent nitrate concentration 20 mg NO 3 - -N/L and HRT 75 min with the effluent nitrate and nitrite below limit values of drinking water. The hydrogen contents of 3.5% in headspace or 57 ¿g/L in the effluent were lower enough to preclude having an explosive air.
ISBN:9780769538198
0769538193
DOI:10.1109/ICEET.2009.332