C - Chemistry – Metallurgy – 05 – F
Patent
C - Chemistry, Metallurgy
05
F
71/18, 362/2, 99
C05F 7/00 (2006.01) A23K 1/14 (2006.01) A23K 1/22 (2006.01) B01J 2/00 (2006.01) C02F 1/28 (2006.01) C02F 1/54 (2006.01) C02F 11/00 (2006.01) C02F 11/12 (2006.01) C05C 9/00 (2006.01)
Patent
CA 1048291
ABSTRACT An apparatus for and 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 product to provide a granular, high-nitrogen, odorless fertilizer or animal feed supplement product.
227598
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