Coal gasification technology is an effective means to achieve clean and efficient utilization of
coal. Coal gasification slag is generated in the process of coal gasification owing to the …

Rare earth minerals (REMs) contain rare earth elements (REEs) that are important in
modern technologies due to their unique magnetic, phosphorescent, and catalytic …

Flotation is a common mineral processing method used to upgrade copper sulfide ores; in
this method, copper sulfide mineral particles are concentrated in froth, and associated …

Fly ash, a major by-product of coal-fired power plants, contains unburned carbon which
poses challenges to its effective utilization. The flotation separation efficiency of unburned …

The separation of chalcopyrite and molybdenite has always been a challenge in mineral
processing because of their similar floatability and close association. This study proposes a …

The hydrochloric acid-fluoride salt is useful for purifying graphite. Ultrasonic-assisted
technique can significantly reduce the leaching time and improve the leaching efficiency …

Calcium lignosulphonate (CLS) is qualified as galena depressant in single mineral flotation,
which has been proved in previous study. However, the selectivity of CLS in the flotation of …

Three novel dithiocarbamate surfactants including 2-hydroxypropyl diethyldithiocarbamate
(HPD-2), 3-hydroxypropyl diethyldithiocarbamate (HPD-3), and 2-(2-hydroxyethoxy) ethyl …

The presence of anglesite (PbSO4) in complex sulfide ores negatively affects the separation
of Cu-Pb sulfides and sphalerite (ZnS) due to lead activation, and PbSO4 rejected to tailings …