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Published:
Dec 14, 1990Keywords:
Mineralogy Crystallinity Particle Size Aluminium Substitution Geothite Lattice Digestibility
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The copyright of a submitted article is only transferred to the publishers if and when the article is accepted for publication. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, electrostatic, mechanical, photocopying, recording or otherwise without the prior written permission of the publishers.
Main Article Content
Some aspects of the mineralogy of the Kibi Bauxite
Abstract
The mineralogy of the Kibi bauxite was investigated using XRD, IR and Thermoanalytical methods. Five pit samples were used in the study. Results indicated that the gibbsite, boehmite and geothite minerals are present in a well crystallised state as coarse dispersions. The aluminium substitution in the geothite lattice was high, varying between 20-29 mol per cent. It can therefore be predicted that aluminium recovery at low temperature digestion conditions will be low and the aluminium content of the geothite will remain undigested under such conditions.
