Browsing by Author "Akdemir, U"
Now showing items 1-9 of 9
-
Flotation and entrainment behavior of minerals in talc-calcite separation
Akdemir, U; Guler, T; Yildiztekin, G (BLACKWELL PUBLISHING, 2005)The main aim of a flotation process is to recover the valuable part of the ore with minimum gangue contamination by different mechanisms, such as entrainment. In this study, the flotation rate and recovery of talc and ... -
Increasing selectivity in coal flotation by controlling impeller speed and collector concentration
Sonmez, I; Akdemir, U; Sahbudak, K (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 ... -
Investigation of coal and ash recovery and entrainment in flotation
Akdemir, U; Sonmez, I (ELSEVIER SCIENCE BV, 2003)This paper discusses the effect of particle size, impeller speed and pulp density on flotation and entrainment of coal and associated gangue, consisting mostly of kaolinite and illite. Experimental work indicated that ... -
Processing of Hafik-Madentepe copper slags using conventional and leaching methods
Aydogan, S; Canbazoglu, M; Akdemir, U; Gurkan, V (A A BALKEMA PUBLISHERS, 2000)In this research, it was aimed to beneficiate Hafik Madentepe slags with 2.62% Cu, which was formed during smelting operations 150-200 years ago and has a reserves of a few million tons. In the scope of the study, ... -
Role of some physical variables on gangue and water recovery in froth
Akdemir, U; Guler, T (A A BALKEMA PUBLISHERS, 2000)In this research, flotation recovery and entrainment, of fine gangue were investigated using calcite as hydrophilic and talc as hydrophobic mineral. For this purpose water, talc and calcite recoveries within froth product ... -
The role of zeta potential and hydrophobicity on shear flocculation of fine particles
Akdemir, U; Hicyilmaz, C (A A BALKEMA, 1996)… -
Selective shear flocculation of chromite from chromite-serpentine mixtures
Akdemir, U; Hicyilmaz, C (ELSEVIER SCIENCE BV, 1998)In this study, shear flocculation of chromite from mixtures of chromite and serpentine was investigated. The effects of zeta potential, contact angle, stirrer speed, flocculation (stirring) time, settling time and concentration ... -
Shear flocculation of chromite fines in sodium oleate solutions
Akdemir, U; Hicyilmaz, C (ELSEVIER SCIENCE BV, 1996)In this study, chromite fines were aggregated by stirring after the particle surfaces were made hydrophobic with sodium oleate. The effects of pH, sodium oleate concentration, stirrer speed and flocculation time were ... -
Shear flocculation of fine hematite particles and correlation between flocculation, flotation and contact angle
Akdemir, U (ELSEVIER SCIENCE SA LAUSANNE, 1997)This paper presents a study on the shear flocculation of fine (38 mu m) hematite using dodecylamine acetate and Aero 801 (a mixture of petroleum sulfonate and mineral oil) as collectors. The effects of pH, collector ...