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New iron ore dressing technology

www.chinanews.cn 2005-04-05 11:21:35

Chinanews, Apr. 4 - A Chinese scientific institute has developed a new
ore dressing technology to improve the purity of iron ore. The new
technology won the national second-grade prize in science and technology.
Yu Yongfu, an academic at Wuhan University of Technology (WUT), and his
research team managed to apply the most advanced flotation column
technology to the operation of positive ion anti-flotation for the first
time in China. Compared to traditional flotation machines, this column
not only helps simplify the operation, but also improves the purity of
iron ore. In addition, the School of Resources and Environment
Engineering of WUT has developed a new type of positive ion reagent
G-609. This strong and effective reagent, reaching the world's elite's
level, may become a substitute for traditional alkyl-amine reagents.
At present, this technology has been put into operation at the Anshan
Iron & Steel Group Corporation, creating nearly 900 million yuan in
direct and indirect benefits. Insiders said that this technology has
settled the crucial technical problem of low-grade hematite ore dressing.
Moreover, it provides reliable data for the exploitation of similar iron
ore resources.

E-mail: zhangqinghua@chinanews.com.cn Tel: 8610-88387443 Fax:
8610-68327649

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