Flotation selectivity and upgrading of Woxna fine graphite concentrate

Technical note

Document identifier: oai:DiVA.org:ltu-7799
Access full text here:10.1016/S0892-6875(01)00168-6
Keyword: Engineering and Technology, Materials Engineering, Metallurgy and Metallic Materials, Teknik och teknologier, Materialteknik, Metallurgi och metalliska material, Mineral Processing, Mineralteknik
Publication year: 2001
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SDG 9 Industry, innovation and infrastructure
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Abstract:

The present paper describes the effect of srubbing on the flotation selectivity of Woxna fine graphite concentrate and the upgrading process of the material. Results show that scrubbing in an attrition machine (with screened sand of −2.9+0.425 mm as attrition media) is an effective way to improve the flotation selectivity, and the material can be upgraded to over 94% from the feed grade of 87–88% carbon by an upgrading process consisting of scrubbing and two-step cleaning flotation.

Authors

Xianjun Lu

Luleå tekniska universitet
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Eric Forssberg

Luleå tekniska universitet; Industriell miljö- och processteknik
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