C - Chemistry – Metallurgy – 05 – F
Patent
C - Chemistry, Metallurgy
05
F
195/34, 362/4
C05F 7/00 (2006.01) A23K 1/14 (2006.01) C02F 3/28 (2006.01) C02F 3/30 (2006.01) C02F 3/34 (2006.01) C02F 11/12 (2006.01) C05F 17/00 (2006.01)
Patent
CA 1117042
ABSTRACT An organic product material having a high nitrogen and phosphorous content is produced as the product of a biological system for the treatment of a BOD-containing influent which also contains phosphorous and fixed nitrogen. The biological treatment system comprises the reaction of a mixed liquor composed of an activated biomass and a BOD-containing influent initially under anaerobic conditions and thereafter treating such mixed liquor under oxic conditions. The treated material is them separated into a supernatent liquid in which the BOD is depleted and a dense, activated biomass. A portion of this biomass is employed in forming the mixed liquor for the initial anaerobic treatment, while the remaining portion of the biomass is recovered as product. The living biomass product can be used in the fermentation indus- tries. Alternatively, the product can be used as such or further processed, e.g. dried, for employment as a fertilizer or a nutrient in animal feeds.
305326
Air Products And Chemicals Inc.
Sherman
LandOfFree
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