Fixing carrier for activated sludge in sewage or waste water tre

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Of inorganic materials

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210150, 2105101, 261 94, 501 83, 501 84, B29C 2760, C02F 310

Patent

active

048141259

ABSTRACT:
A fixing carrier for fixing an activated sludge employed in a sewage or waste-water treatment in which

REFERENCES:
patent: 3887671 (1975-06-01), Metzger
patent: 3944425 (1976-03-01), Magder
patent: 4162166 (1979-07-01), Walls-Muycelo
patent: 4208284 (1980-06-01), Pretorius
patent: 4261938 (1981-04-01), Engstrom et al.
patent: 4274966 (1981-06-01), Palmer
patent: 4560478 (1985-12-01), Narumiya
patent: 4678758 (1987-07-01), Kampfer et al.
patent: 4758538 (1988-07-01), Satoh et al.
Handbook (2) of "Water and Waste Water", pp. 820-824, issued by a board of investigation of industrial waste water on Nov. 30, 1974.
Japanese Laid-Open patent publication 60-150893.

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