Method and system for processing waste products generated in an animal dehairing operation

  • US 6,322,436 B2
  • Filed: 01/24/2001
  • Issued: 11/27/2001
  • Est. Priority Date: 02/23/1998
  • Status: Expired due to Fees
First Claim
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1. A method for processing waste products generated in an animal dehairing operation comprising the steps of:

  • a) collecting a first waste stream after a chemical depilatory substance has been contacted with an animal'"'"'s hair;

    b) collecting a second waste stream containing a greater content of animal hair components than said first waste stream;

    c) separately processing said first waste stream to recover at least a portion of said depilatory substance;

    d) separately processing said second waste stream by separating animal hair components from said second waste stream; and

    e) monitoring whether H2S gas is generated during said method.

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