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Journal of Applied Sciences
  Year: 2007 | Volume: 7 | Issue: 15 | Page No.: 2126-2130
DOI: 10.3923/jas.2007.2126.2130
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Evaluation of Recycle Grinding Performance in Flour Milling
Siti Mazlina Mustapa Kamal and Colin Webb

A typical flour milling process is a very linear operation that is almost entirely void of recycled streams where separate fractions from each operation go ahead as new streams to the next operation. In some cases, there are opportunities for combining some streams, for recycling particles that have been insufficiently broken to go back to the same roller mill. This study introduces this recycle concept in flour milling process at second break system. The recycle grinding assessment was made using a Satake STR-100 test roller mill. The recycle process was started after the second break system and the number of recycle grinding was up to 7 regrinds. The particle size distribution and ash analysis were produced to describe the behaviour of the recycle grinding performance. The material release was sifted on a range of sieves and the ash content was analysed using a laboratory furnace. The performance for each recycle stage was investigated. It was determined that it is possible for some coarse particles that contain only bran to keep being recycled in the recycle circuit. A purging operation was recommended to be included in the recycle system, to separate the unwanted particles.
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How to cite this article:

Siti Mazlina Mustapa Kamal and Colin Webb , 2007. Evaluation of Recycle Grinding Performance in Flour Milling. Journal of Applied Sciences, 7: 2126-2130.

DOI: 10.3923/jas.2007.2126.2130








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