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Increasing selectivity in coal flotation by controlling impeller speed and collector concentration
(TAYLOR & FRANCIS INC, 2005)
Batch flotation experiments were conducted using a bituminous coal. It was found out that pulp density and especially impeller speed had significant influences on coal flotation performance, selectivity and rate. Products ...
Molecular modeling study on the relative stabilities of the flotation products for arsenic-containing minerals: dixanthogens and arsenic(III) xanthates
(ACADEMIC PRESS INC ELSEVIER SCIENCE, 2005)
The interactions of As(III) ion with C2H5OCS2- and C2H5SCS2-, known as the most popular collector ions, were studied by density functional theory (DFT) at the B3LYP/6-31G** level in connection with the arsenic-containing ...