l extraction de bauxite stimule bua

Bauxite Residue as a Source of Gallium – An Extraction …

The extraction of Ga from bauxite residue by selective acid leaching was explored in this study. Three mineral acids (HCl, HNO3, H2SO4) and one organic acid (H2C2O4) were …

Extraction and Utilization of Valuable Elements from …

Bauxite is the ideal raw material for the manufacturing of alumina. Aside from the primary constituents of aluminum and silicon, bauxite is frequently coupled with many valuable …

Metals | Free Full-Text | Novel Method of Bauxite Treatment …

The reduction of iron minerals in the bauxite immediately with the extraction of aluminium could be achieved by employing a bulk cathode configuration …

Effective aluminum extraction using pressure leaching of …

During hydrochloric acid leaching of bauxite reaction residue (BRR) produced from coagulant industry, the effects of hydrochloric acid concentration, liquid solid ratio …

Alumina recovery from bauxite residue: A concise review

Recovery of alumina and iron from the bauxite residue not only enables the extraction of valuable components but also enriches the scandium concentration in the …

Extraction of aluminum and iron from bauxite: A unique …

In this work, three oxalate reagents: potassium hydrogen oxalate (KHC 2 O 4), potassium tetraoxalate (KHC 2 O 4 ·H 2 C 2 O 4), and oxalic acid (H 2 C 2 O 4) were …

Extraction and Utilization of Valuable Elements from Bauxite …

This study gives a critical analysis of existing technology used to recover valuable elements from bauxite residue and circulating spent liquor to provide insight into the broader usage of bauxite residue as a resource rather than a waste.

Reductive leaching of bauxite residue and subsequent …

The effect of temperature (T), time (t) and liquid to solid ratio (L:S ratio) on the leaching process was revealed. The results show that under optimum conditions (pH = …