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3.4 Methodologies for creating experimental apparatus to study flow

3.4.1 Techniques

REFERENCE TO ANNEX II

[II–1] RADIATION PROTECTION SUB-COMMITTEE OF THE TITANIUM MINERALS COMMITTEE OF THE CHAMBER OF MINERALS AND ENERGY OF WESTERN AUSTRALIA, Best Practice Radioactive Waste Management Guidelines in the Western Australian Mineral Sands Industry, Chamber of Minerals and Energy of Western Australia, Perth, Western Australia (1999).

Iron oxide solids Stored in lined dams to allow settling and drying. Dry material can either be rehabilitated in situ or trucked for final disposal to repository site. Alternatively, trucking of the dry material may be replaced by transporting it as slurry through pipeline directly to the lined dams of the final disposal site. This way dust generation from handling the dry material is eliminated. The solids must be allowed to settle and dry before site capping and rehabilitation to pasture, for example. A promising commercial scale technology of processing iron oxide solids to produce iron has been under development in Western Australia. If successful, it could result in practical elimination of this large solid waste stream from synthetic rutile production.

Neutralized acid effluent solids

Pumped to solar drying ponds from where, still wet, they are dug out and trucked to final disposal site. Alternatively, transported as slurry through pipeline to lined dams of the disposal site. Must be allowed to settle and dry before site capping and rehabilitation to pasture, for example. An alternative, recently developed option is to utilize the solids as an agricultural slow-release sulphur fertilizer.

TABLE II–1. AUSTRALIAN BEST PRACTICE FOR RESIDUE MANAGEMENT (cont.)

Residue Management

CONTRIBUTORS TO DRAFTING AND REVIEW

Collier, D. Australian Nuclear Science and Technology Organisation, Australia

Filion, D. Rio Tinto Iron and Titanium (Consultant), Canada

Finley, N. Millennium Chemicals, United Kingdom

Fountain, C. Iluka Resources, Australia

García-Tenorio, R. University of Seville, Spain Haridasan, P.P. International Atomic Energy Agency Kletter, M.J. DuPont Titanium Technologies,

United States of America McNulty, G.S. Huntsman Pigments, United Kingdom Schlittler, C.E. Tronox (Consultant), United States of America Simmons, C.T. Thompson and Simmons, United States of America

Wymer, D.G. International Atomic Energy Agency

Consultants Meetings

Vienna, Austria: 1–5 March 2004, 1–5 November 2004, 18–22 April 2005, 5–7 December 2011

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