Patent ID: 6129623
Filing Date: 2000-10-10
Classification: A01K,A22B,C14C,Y02A

Abstract:
A method for removing hair from a bovine animal, wherein said animal is immobilized, dispatched and fabricated, said method comprising the steps of:a) contacting a prewetting substance comprising a surfactant to said animal's hair;b) contacting a depilatory substance to said animal's hair; andc) removing said hair contacted by said depilatory substance;d) collecting a waste stream from said step (a) of contacting, from said step (b) of contacting, and from said step (c) of removing, wherein said waste streams are collected separately or together;e) processing said waste streams by separating solid waste from liquid waste and treating said waste streams, said processing step further including removing fine solid waste from said liquid waste, recovering and recycling water from said liquid waste after removal of said fine solid waste and removal of residual sulfides in said liquid waste as sulfates.