Method and installation for packaging muds before drying

Details Method and installation for packaging muds before drying Method and installation for packaging muds before drying

C - Chemistry, Metallurgy

02

F

C02F 11/14 (2006.01) C02F 1/04 (2006.01) C02F 1/52 (2006.01) C02F 1/66 (2006.01) C02F 11/18 (2006.01)

Patent

CA 2659910

Method for packaging liquid muds resulting from the treatment of urban and/or industrial waste water according to which the mud is subjected to a mechanical dehydration step followed by a thermal drying step. Ferric chloride and/or quicklime or slaked lime is injected into the mud after the dehydration step and before the drying step or at the beginning of the drying step.

Procédé de conditionnement de boues liquides provenant d'un traitement d'eaux usées urbaines et/ou industrielles selon lequel on fait subir aux boues une étape de déshydratation mécanique suivie d'une étape de séchage thermique. On injecte du chlorure ferrique et/ou de la chaux vive ou éteinte dans la boue après l'étape de déshydratation et avant l'étape de séchage ou ô l'entrée de l'étape de séchage.

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