B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
202/2, 362/2
B01D 11/00 (2006.01) A23K 1/10 (2006.01) A23K 1/175 (2006.01) B09B 3/00 (2006.01) C02F 1/04 (2006.01) C02F 1/58 (2006.01) C02F 3/28 (2006.01) C05C 3/00 (2006.01) C05F 3/00 (2006.01) C05F 17/00 (2006.01) C12M 1/107 (2006.01) C12P 5/02 (2006.01)
Patent
CA 1134965
ABSTRACT OF THE DISCLOSURE: The invention is concerned with a method and equipment for processing of organic materials containing nitrogen compounds, where the organic material undergoes an anaerobic digestion with simultaneous liberation of biogas which contains methane and carbon dioxide. The liquid product obtained after anaerobic digestion is, according to the invention, heated to boiling temperature, ammonia bonded as carbonate is distilled off, and the tail product from distillation is further processed to a valuable product and clear water or is discharged as prepurified waste water. During the processing to the valuable product in the form of organo- phosphate-lime concentrate, the tail product of distillation may be alkalized by lime and carbonized with carbon dioxide. Biogas or carbon dioxide obtained by distillation may be used in the carbonation. The processed organic materials may be excrements from farming of hogs and black cattle, waste from chemical and alimentary industry, city sewage sludges, and various kinds of biomass which may be employed in the process of anaerobic digestion for production of biogas.
343977
Ceskoslovenska Akademie Ved
Robic Robic & Associes/associates
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