Due to the advancement of industrialization and the development of the metal smelting
industry, cadmium (Cd), as a highly toxic heavy metal element, is discharged into the natural …

Cementation is a prominent purification technique used for removal of copper, cadmium,
cobalt, and nickel from impure zinc sulphate solution obtained after leaching of zinc ore. Zinc …

This research is part of a continuing effort to reduce environmental conflicts and
occupational hazards of cadmium bearing zinc plant residues (ZPR's) and to break through …

Soils contaminated with heavy metals represent a serious threat for humans and all
ecosystems. In some cases, they can be remediated by metal phytoextraction, using …

Cd–Ni filtercakes are produced continuously at the third purification step in the electrolytic
production of zinc in the National Iranian Lead and Zinc Company (NILZ) in northwestern …

Studies were conducted to evaluate the Merrill–Crowe cementation method for the
simultaneous extraction of platinum, palladium and gold associated with copper and nickel …

Solid residues from hydrometallurgical zinc plants contain high concentrations of heavy
metals such as zinc, cadmium and nickel, and these residues are considered as hazardous …

The present work proposes the recovery of rhodium from rhodium-containing waste rinsing
water through cementation with metallic zinc powder. The effects of zinc content, reaction …

The selective cementation of cadmium, cobalt, and nickel from synthetic and an industrial
zinc sulfate (150–160 gL− 1) electrolyte was investigated. The desired cadmium removal …

Replacing cadmium ions in cadmium-containing solutions with aluminum powder is
beneficial for cadmium resource recycling and environmental protection. However, the …