Patent ID: 6649203
Filing Date: 2003-11-18
Classification: A23L,B03B,B07B,C01F,Y02W

Abstract:
A method of processing eggshells, which comprise the outer eggshell portions and membrane portions, said method comprising:a) drying said eggshells to reduce moisture content of the eggshells and cause at least some separation of the membrane portions from the eggshell portions; b) separating a first amount of the membrane portions from the dried eggshells to leave a remaining eggshell component comprising an outer eggshell component and remaining membrane portions; c) directing the remaining eggshell component to a processing chamber of a processing apparatus at an impacting zone and impacting the remaining eggshell component in the chamber to reduce particle size of at least the outer eggshell component to form smaller outer eggshell particles; d) causing at least a substantial portion of the smaller outer eggshell particles to be collected at a collecting location; and e) separating at least a substantial portion of the remaining membrane portions from the smaller outer eggshell particles.