C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/56 (2006.01) C08F 8/32 (2006.01) D21H 17/37 (2006.01) D21H 17/45 (2006.01)
Patent
CA 2166458
In the method proposed, the solids content in the process solutions is reduced by adding measured quantities of special cationic polymers to the process solution and subsequently removing the precipitated solids by flotation and/or filtration.
La présente invention concerne un procédé de réduction de la teneur en matière solides finement dispersées dans les eaux usées à la suite de la fabrication du papier. Selon l'invention, cette réduction de la teneur en matières solides est réalisée par l'adjonction de polymères cationiques spéciaux dans les eaux usées contenant des matières solides et l'élimination ultérieure par flottation et/ou filtration des matières solides floculées.
Hornfeck Klaus
Koester Rita
Liphard Maria
Matzke Wolfgang
Nellessen Bernhard
Borden Ladner Gervais Llp
Henkel Kommanditgesellschaft Auf Aktien
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