Document Type and Number:
Japanese Patent JPS5436414
Kind Code:
B2
Abstract:
A method and apparatus for treating liquid sewage as effluent with oxygen-containing gas. The liquid is circulated firstly through a tubular compression coil which is rotated about a vertical axis, and secondly through a tubular decompression coil which is also rotated about a vertical axis. The oxygen-containing gas is supplied to the liquid as it passes through the compression coil.
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Application Number:
JP6682077A
Publication Date:
November 09, 1979
Filing Date:
June 08, 1977
Export Citation:
International Classes:
C02F3/22; C02F3/12; C02F3/26