Investigating the impact of anatase on the dissolution of boehmite

The dissolution of boehmite in synthetic Bayer liquors is inhibited in the presence of anatase. It has been suggested both by us and others (e.g. Loan et al., 2005) that dissolved titanate adsorbs onto the surface of the boehmite limiting its dissolution. This manuscript reports on digestion, X-ray...

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Main Authors:	Ireland, Myra, Wang, Xiaodong, Radomirovic, Tomoko, Smith, P., Jones, Franca
Format:	Journal Article
Published:	Elsevier 2014
Subjects:	Bayer process Boehmite Sodium titanate Anatase EFTEM
Online Access:	http://hdl.handle.net/20.500.11937/14642

id	curtin-20.500.11937-14642
recordtype	eprints
spelling	curtin-20.500.11937-146422018-08-08T04:55:11Z Investigating the impact of anatase on the dissolution of boehmite Ireland, Myra Wang, Xiaodong Radomirovic, Tomoko Smith, P. Jones, Franca Bayer process Boehmite Sodium titanate Anatase EFTEM The dissolution of boehmite in synthetic Bayer liquors is inhibited in the presence of anatase. It has been suggested both by us and others (e.g. Loan et al., 2005) that dissolved titanate adsorbs onto the surface of the boehmite limiting its dissolution. This manuscript reports on digestion, X-ray diffraction (XRD) and transmission electron microscopy (TEM) investigations of boehmite solids partially dissolved in synthetic Bayer liquor in the presence of anatase. Energy filtered transmission electron microscopy (EFTEM) is used to obtain elemental distribution maps, which support the adsorption hypothesis and show enrichment of titanium on the boehmite crystals. Interestingly, the aluminium also becomes associated with some of the Ti-rich particles. 2014 Journal Article http://hdl.handle.net/20.500.11937/14642 10.1016/j.hydromet.2014.06.002 Elsevier fulltext
repository_type	Digital Repository
institution_category	Local University
institution	Curtin University Malaysia
building	Curtin Institutional Repository
collection	Online Access
topic	Bayer process Boehmite Sodium titanate Anatase EFTEM
spellingShingle	Bayer process Boehmite Sodium titanate Anatase EFTEM Ireland, Myra Wang, Xiaodong Radomirovic, Tomoko Smith, P. Jones, Franca Investigating the impact of anatase on the dissolution of boehmite
description	The dissolution of boehmite in synthetic Bayer liquors is inhibited in the presence of anatase. It has been suggested both by us and others (e.g. Loan et al., 2005) that dissolved titanate adsorbs onto the surface of the boehmite limiting its dissolution. This manuscript reports on digestion, X-ray diffraction (XRD) and transmission electron microscopy (TEM) investigations of boehmite solids partially dissolved in synthetic Bayer liquor in the presence of anatase. Energy filtered transmission electron microscopy (EFTEM) is used to obtain elemental distribution maps, which support the adsorption hypothesis and show enrichment of titanium on the boehmite crystals. Interestingly, the aluminium also becomes associated with some of the Ti-rich particles.
format	Journal Article
author	Ireland, Myra Wang, Xiaodong Radomirovic, Tomoko Smith, P. Jones, Franca
author_facet	Ireland, Myra Wang, Xiaodong Radomirovic, Tomoko Smith, P. Jones, Franca
author_sort	Ireland, Myra
title	Investigating the impact of anatase on the dissolution of boehmite
title_short	Investigating the impact of anatase on the dissolution of boehmite
title_full	Investigating the impact of anatase on the dissolution of boehmite
title_fullStr	Investigating the impact of anatase on the dissolution of boehmite
title_full_unstemmed	Investigating the impact of anatase on the dissolution of boehmite
title_sort	investigating the impact of anatase on the dissolution of boehmite
publisher	Elsevier
publishDate	2014
url	http://hdl.handle.net/20.500.11937/14642
first_indexed	2018-09-06T19:19:58Z
last_indexed	2018-09-06T19:19:58Z
_version_	1610887042123694080

Investigating the impact of anatase on the dissolution of boehmite

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