Liquid purification or separation – With gas-liquid surface contact means
Patent
1986-07-18
1987-07-07
Castel, Benoit
Liquid purification or separation
With gas-liquid surface contact means
210615, C02F 306
Patent
active
046785671
ABSTRACT:
An activated sludge process bed in which an outer periphery of a cylindrical core is wrapped with a porous member of a certain thickness and tightened with belts, characterized in that the outer periphery is partially exposed.
REFERENCES:
patent: 3577678 (1971-05-01), Burton
patent: 4181604 (1980-01-01), Onishi et al.
Castel Benoit
Ueda Chie
Ueda Iwao
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