Method for producing a compostable mixture of sludge from sewage

Details Method for producing a compostable mixture of sludge from sewage Method for producing a compostable mixture of sludge from sewage

1984-12-27

1987-04-21

Hruskoci, Peter

Liquid purification or separation

Processes

Treatment by living organism

71 9, 71 13, 71 24, 210621, 210712, 210727, C02F 1114

Patent

active

046594728

ABSTRACT:
The invention relates to a method for producing a product from which compost can be suitably produced and which contains sludge obtained from a sewage purification process, in which method the sludge is mixed in a fluid state with a finely-divided carbon-carrier selected from the group sawdust, peat and bark, and with polyelectrolyte, and is then mechanically dewatered to a dry substance content of at least about 28 percent by weight.

REFERENCES:
patent: 3285732 (1966-11-01), Schulze
patent: 4046689 (1977-09-01), Argyll
patent: 4082672 (1978-04-01), Petroski
patent: 4392881 (1983-07-01), Kneer
patent: 4414335 (1983-11-01), Kipp, Jr.
patent: 4501664 (1985-02-01), Heil et al.

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