Apparatus for treating sewage sludge

Details Apparatus for treating sewage sludge Apparatus for treating sewage sludge

C - Chemistry, Metallurgy

12

C

71/18, 362/2

C12C 1/18 (2006.01)

Patent

CA 1059781

ABSTRACT OF THE DISCLOSURE An apparatus for and a process of treating sludge filter cake and the granular product thereof which comprises reducing the particle size and moisture content of the sludge cake, sterilizing the sludge cake by contacting the sludge cake with an N-methylol- urea solution, reacting the N-methylol-urea solution with the sludge cake at a pH of 3 to 5 while agitating the sludge particles to provide a granular-reaction product, and drying the produce to provide a granular, high-nitrogen, odorless fertilizer or animal feed supplement product.

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