Biological treatment of materials

Details Biological treatment of materials Biological treatment of materials

1996-02-15

1998-12-08

Wyse, Thomas G.

Liquid purification or separation

Processes

Treatment by living organism

210605, 210607, 210624, 210629, 210630, C02F 330

Patent

active

058464247

ABSTRACT:
A method of biological treatment of materials by a combination of at least two groups of microorganisms forming sludges in at least two biological treatment zones treating the said materials wherein for purposes of increasing the treatment efficiency and stability at least one said sludges is conditioned in at least one sludge conditioning zone, whereby converting at least a fraction of at least one said group of organisms into organisms of another group, and thus forming the conditioned sludge, and the said conditioned sludge is fed in at least one said biological treatment zone.

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patent: 5192442 (1993-03-01), Piccirillo
patent: 5213681 (1993-05-01), Kos
patent: 5246585 (1993-09-01), Meiring
patent: 5288405 (1994-02-01), Lamb, III

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