EFFECT OF AUTOGENOUS AND BALL MILL GRINDING ON SULFIDE FLOTATION.

I. Iwasaki; K. J. Reid; H. A. Lex; K. A. Smith

EFFECT OF AUTOGENOUS AND BALL MILL GRINDING ON SULFIDE FLOTATION.

I. Iwasaki, K. J. Reid, H. A. Lex, K. A. Smith

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Abstract

The effects of grinding on the floatabilities of copper-nickel sulfides from Duluth gabbro were investigated. At the same mesh-of-grind copper, nickel, and cobalt recoveries were higher and residual sulfur in the tailings was lower with autogeneously ground pulps. With ball-mill ground pulps the residual sulfur could not be lowered even at increased levels of collector addition. An electrochemical interaction between grinding media and sulfide minerals is thought to have a greater effect on flotation behavior than breakage characteristics.

Original language	English (US)
Pages	1184-1190
Number of pages	7
Volume	35
No	8
Specialist publication	Mining Engineering
State	Published - Jan 1 1983

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title = "EFFECT OF AUTOGENOUS AND BALL MILL GRINDING ON SULFIDE FLOTATION.",

abstract = "The effects of grinding on the floatabilities of copper-nickel sulfides from Duluth gabbro were investigated. At the same mesh-of-grind copper, nickel, and cobalt recoveries were higher and residual sulfur in the tailings was lower with autogeneously ground pulps. With ball-mill ground pulps the residual sulfur could not be lowered even at increased levels of collector addition. An electrochemical interaction between grinding media and sulfide minerals is thought to have a greater effect on flotation behavior than breakage characteristics.",

author = "I. Iwasaki and Reid, {K. J.} and Lex, {H. A.} and Smith, {K. A.}",

year = "1983",

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AU - Reid, K. J.

AU - Lex, H. A.

AU - Smith, K. A.

PY - 1983/1/1

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N2 - The effects of grinding on the floatabilities of copper-nickel sulfides from Duluth gabbro were investigated. At the same mesh-of-grind copper, nickel, and cobalt recoveries were higher and residual sulfur in the tailings was lower with autogeneously ground pulps. With ball-mill ground pulps the residual sulfur could not be lowered even at increased levels of collector addition. An electrochemical interaction between grinding media and sulfide minerals is thought to have a greater effect on flotation behavior than breakage characteristics.

AB - The effects of grinding on the floatabilities of copper-nickel sulfides from Duluth gabbro were investigated. At the same mesh-of-grind copper, nickel, and cobalt recoveries were higher and residual sulfur in the tailings was lower with autogeneously ground pulps. With ball-mill ground pulps the residual sulfur could not be lowered even at increased levels of collector addition. An electrochemical interaction between grinding media and sulfide minerals is thought to have a greater effect on flotation behavior than breakage characteristics.

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EP - 1190

JO - Mining Engineering

JF - Mining Engineering

SN - 0026-5187

ER -

EFFECT OF AUTOGENOUS AND BALL MILL GRINDING ON SULFIDE FLOTATION.

Abstract

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