C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/2
C02F 11/16 (2006.01) C05F 7/00 (2006.01)
Patent
CA 1256602
A B S T R A C T 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 per cent by weight.
471516
Ljungkvist Lars E.
Nordlund Tore H.
Purac Ab
Ridout & Maybee Llp
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