Method for de-watering of sludge

Details Method for de-watering of sludge Method for de-watering of sludge

C - Chemistry, Metallurgy

02

F

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

Patent

CA 2590822

A process for dewatering of sludge, wherein said sludge comprises at least secondary sludge or primary sludge comprising mechanical pulping waste, deinking waste or recycled paper waste, comprising the steps of: a) adding polyacrylamide and urea hydrogen peroxide to said sludge, wherein said polyacrylamide is added to said sludge simultaneous with the addition of said urea hydrogen peroxide; and b) adding aluminum sulfate to said sludge; and c) mechanically separating said solids from said water.

Un procédé de déshydratation des boues dans lequel lesdites boues comprennent au moins des boues secondaires ou des boues primaires contenant des résidus de pâte mécanique, des résidus d'encre ou des résidus de papier recyclé, et comprenant les étapes suivantes : a) ajout de polyacrylamide et de peroxyde d'urée aux dites boues, où ledit polyacrylamide est ajouté auxdites boues en même temps que ledit peroxyde d'urée; b) ajout de sulfate d'aluminium auxdites boues; c) séparation mécanique desdits solides de ladite eau.

Affiliated with

Also associated with

Rating

Method for de-watering of sludge does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for de-watering of sludge, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for de-watering of sludge will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1352821