The invention discloses a method for producing a compound
amino acid with poultry feathers as a
raw material. The method comprises the steps: firstly, washing and
drying the poultry feathers, carrying out shearing smashing pretreatment, after shearing smashing, adopting a
microwave puffing and
protease enzymolysis
combined method, then carrying out deodorization, peculiar smell-removal and decoloration treatment by adopting
activated carbon, filtering, concentrating, carrying out high speed centrifugal
spray drying, and finally producing the compound
amino acid. The method adopts the waste feathers as the
raw material, has wide sources of the
raw material, develops a new way for
resource utilization and development of waste materials, reduces environmental
pollution and resource waste, increases
social benefits, besides, has the advantages of simple equipment, simple technological process and strong
operability, and can realize industrialized production; and the produced compound
amino acid has good quality, the compound amino acid conversion efficiency of the feathers reaches 68.4%, the production yield is high and reaches 85.7%, and
resource utilization on the poultry feathers produced by breeding is performed.