B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/134, 209/55
B02C 23/08 (2006.01) A23L 1/10 (2006.01) A23L 1/308 (2006.01) B03C 7/00 (2006.01)
Patent
CA 1230320
RECOVERY OF ALEURONE CELLS FROM WHEAT BRAN ABSTRACT OF THE DISCLOSURE A method for the physical separation of aleurone cell particles and pericarp-testa particles from commercial wheat bran is provided, which method comprises removing from a fraction of aleurone cell particles and pericarp- testa particles within the sieve mesh range of larger than about 130µm and smaller than about 290µm, obtained from commercial wheat bran by subjecting the bran to hammer-milling whereby the bran is broken and reduced into particles which consist predominantly of pericarp-testa particles and aleurone cell particles and then sized to said sieve mesh range, a fraction of particles which are smaller than about 40µm and electrostatically charging the remaining aleurone cell particles and pericarp-testa particles, then passing said electrostatically charged remaining aleurone cell particles and pericarp-testa particles through an electrical field generated by an electrostatic separator, whereby the remaining aleurone cell particles and pericarp-testa particles are fractionated by the differential of their electrical charges. Removal of said fraction of particles which are smaller than about 40µm and the electrostatic charging of the remaining aleurone cell particles and pericarp-testa particles is preferably effected by air elutriation of the mixture of said particles. and which induces triboelectrification of said particles. Apparatus comprising an air elutriator with associated electrostatic separator is also provided for the purpose.
477868
Minifie James
Stone Bruce A.
Gowling Lafleur Henderson Llp
La Trobe University
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