The mineral processing of friable iron ores usually generates ultrafine (smaller than 15 µm) particles, normally called slimes, which have a high grade and are disposed into tailings dam. traditional process techniques for ore do not work efficiently with ultrafines; however, selective flocculation is an alternative to concentrate that fraction. physical-chemical treatment slime was studied her...

The technological mineralogical characteristics of cesium-containing minerals in tailings were examined by means chemical analysis, the energy spectrum analysis method, and MLA (mineral liberation analyzer) to determine element content, phase associated mineral components, degree liberation, particle size, etc. results showed that samples mainly contained spodumene, quartz, feldspar, mica, othe...

Batu Hijau mine is one of the mining areas in Indonesia that have been operated for 20 years. The main concentrate product contains primary minerals copper (Cu) and gold (Au). However, not only processing fresh mined ore but also store low-grade stockpile. Therefore, this study compares Cu recovery different stockpile on changes concentration dissolved tailings potentially contaminated environm...

The presence of anglesite (PbSO4) in complex sulfide ores negatively affects the separation Cu-Pb sulfides and sphalerite (ZnS) due to lead activation, PbSO4 rejected tailings dams contaminates surrounding environment with lead. To address these problems, this study investigated application ethylene diamine tetra acetic acid (EDTA) pretreatment extracting ZnS flotation recovery extracted Pb2+ a...

As a pre-treatment method of refractory gold ore, carbonaceous matter (C-matter) flotation was investigated with multi-stage by rougher, scavenger, and cleaner stages. Different dosages kerosene MIBC (4-Methyl-2-pentanol) were applied the optimum dosage selected testing in each stage. With combination stage, four circuit designs suggested, which single-stage rougher (R), rougher-scavenger (R+S)...

Antimony has a long and diverse history of applications, concerns about its future supply have emerged in recent years. Stibnite-bearing ores continue to be the main source this critical element, although sourcing from secondary resources (e.g. mine tailings) is becoming increasingly relevant yet technically challenging. In sense, froth flotation plays key role recovery stibnite both sources. v...

The depletion of ore deposits, the increasing demand for raw materials, need to process low-grade, complex and finely disseminated ores, reprocessing tailings are challenges especially froth flotation separation technologies. Even though they capable handling relatively fine grain sizes, very ultrafine particles faces many problems still. Further, low-contrast semi-soluble salt-type minerals wi...

in this research work, the zinc extraction was investigated, using bioleaching process from a low grade zinc concentrate which was produced from the accumulated flotation tailings. zinc content was initially upgraded to 11.97% by flotation process. bioleaching experiments were designed and carried out by a mixed culture of acidithiobacillus ferrooxidans, acidithiobacillus thiooxidans, leptospir...

Tailings produced during bitumen extraction from surface-mined oil sands ores (tar sands) comprise an aqueous suspension of clay particles that remain dispersed for decades in tailings ponds. Slow consolidation of the clays hinders water recovery for reuse and retards volume reduction, thereby increasing the environmental footprint of tailings ponds. We investigated mechanisms of tailings conso...