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. 2014 Nov 7;28(5):834–842. doi: 10.1080/13102818.2014.961123

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© 2014 The Author(s). Published by Taylor & Francis.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0/, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The moral rights of the named author(s) have been asserted.

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Figure 3. — Apparent structure of immobilized granules: (A) sodium alginate immobilized granule; (B) sodium alginate-attapulgite immobilized granule; and (C) sodium alginate–attapulgite–calcium carbonate immobilized granule.