C - Chemistry – Metallurgy – 12 – M
Patent
C - Chemistry, Metallurgy
12
M
C12M 1/04 (2006.01) C02F 3/02 (2006.01) C02F 3/06 (2006.01) C02F 3/10 (2006.01)
Patent
CA 2105670
2105670 9215667 PCTABS00016 A process for maintaining a high rate of mass transfer of nutrients contained in a liquid feed stream to a biofilm of microorganisms supported on a bed of particulate matter. The microorganisms in the biofilm are subjected to a continuous, uniform flow of the liquid feed stream and a countercurrent flow of respiratory air so as to support biofilm growth. The bed is periodically pulsed with air at a pressure sufficient to shed microorganisms from the biofilm and at intervals sufficient to avoid preferential channelling of the liquid feed stream through the bed and/or to disrupt and rearrange the bed of particulate matter.
Drummond Humphrey
Johnson Warren
Khoo Paul
Kopp Clinton
Vaid Aloke
Bull Housser & Tupper Llp
Memtec Limited
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