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An enhanced mill extraction model

Thaval, Omkar P. & Kent, Geoffrey Alan (2012) An enhanced mill extraction model. In Bruce, Robin C. (Ed.) Proceedings of the 34th Conference of the Australian Society of Sugar Cane Technologists, Australian Society of Sugar Cane Technologists, Novotel Palm Cove Resort, Cairns, QLD.

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Abstract

An enhanced mill extraction model has been developed to calculate mill performance parameters and to predict the extraction performance of a milling unit. The model takes into account the fibre suspended in juice streams and calculates filling ratio, reabsorption factor, imbibition coefficient, and separation efficiency using more complete definitions than those used in previous extraction models. A mass balance model is used to determine the fibre, brix and moisture mass flows between milling units so that a complete milling train, including the return stream from the juice screen, is modelled. Model solutions are presented to determine the effect of different levels of fibre in juice and efficiency of fibre separation in the juice screen on brix extraction. The model provides more accurate results than earlier models leading to better understanding and improvement of the milling process.

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ID Code: 50930
Item Type: Conference Paper
Keywords: Brix extraction, Mass balance, Mill parameters, Model, Suspended solids
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CHEMICAL ENGINEERING (090400) > Process Control and Simulation (090407)
Divisions: Current > Research Centres > Centre for Tropical Crops and Biocommodities
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 Australian Society of Sugar Cane Technologists
Copyright Statement: All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording or any information storage and retrieval system, without permission of the publisher. Published in 2012 in Mackay, Queensland, by the Australian Society of Sugar Cane Technologists.
Deposited On: 19 Jun 2012 09:22
Last Modified: 26 Jan 2013 05:07

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