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POULTRY LITTER-BASED FERTILIZER AND A METHOD FOR MAKING THE POULTRY LITTER-BASED FERTILIZER FROM POULTRY LITTER
POULTRY LITTER-BASED FERTILIZER AND A METHOD FOR MAKING THE POULTRY LITTER-BASED FERTILIZER FROM POULTRY LITTER
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机译:基于家禽小垫料的肥料以及从家禽小垫料制造基于家禽小垫料的肥料的方法
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摘要
A method for producing a poultry litter-based fertilizer by a) supplying poultry litter to a rotating rotary drum, b) adding acid or a source of acid to the rotating rotary drum, wherein acid reacts with the poultry litter to form an acidified mixture, c) adding ammonia or a source of ammonia to the rotating rotary drum, d) drying and cooling the ammoniated product by evaporation of water to form a dried, cooled product in a free-flowing semi-solid or solid form, repeating the steps b) through d) until a desired nitrogen content is reached in the poultry litter-based fertilizer.
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