A sludge concentration and dehydration method

Details A sludge concentration and dehydration method A sludge concentration and dehydration method

C - Chemistry, Metallurgy

02

F

C02F 11/14 (2006.01) C02F 11/12 (2006.01)

Patent

CA 2711153

A sludge concentration and dehydration method is provided, which comprises the following steps: (1) add an organic agent (polyacrylamide) to the sludge for initial conditioning, then concentrate the sludge; (2) add an inorganic agent (a compound containing Fe and Ca) to the sludge for further conditioning, then transport the sludge to a dehydrator for dehydration; (3) dispose the dehydrated sludge correspondingly when it satisfies the requirements for final disposal.

Procédé de déshydratation de boue concentrée, comportant les étapes suivantes : (1) ajouter un agent organique (polyacrylamide) à la boue à titre de premier conditionnement, puis la concentrer ; (2) ajouter un agent inorganique (composés de fer et de calcium) à la boue traitée par l'étape (1) à titre de deuxième conditionnement, puis l'introduire dans un déshydrateur ; (3) appliquer un processus correspondant à la boue déshydratée lorsqu'elle satisfait les exigences finales.

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