Enhanced dissolution of tantalite/columbite following milling
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Description
A tantalum/niobium concentrate has been ball-milled for up to 50 h in a laboratory mill without apparent phase change, other than a decrease in unit cell symmetry and some amorphisation. The extent of dissolution in a mixture of hydrochloric acid and sodium fluoride increased with milling time. For a powder milled for 50 h, over 95% of the concentrate were solubilised in 24 h compared with ∼ 50% in 48 h for a 2-h milled powder. The kinetics of dissolution changed with the milling time,...[Show more]
Collections | ANU Research Publications |
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Date published: | 2001 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/69505 |
Source: | International Journal of Mineral Processing |
DOI: | 10.1016/S0301-7516(00)00032-6 |
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01_Welham_Enhanced_dissolution_of_2001.pdf | 415.08 kB | Adobe PDF | Request a copy |
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