In a race to save the earth of its rapidly depleting natural resources, the use of Secondary
Raw Materials (SMRs) as alternative replacements in several processes is currently …

The review presents various techniques of regeneration of spent pickling solutions,
including the methods with acid recovery, such as diffusion dialysis, electrodialysis …

The separation of nickel (II), cobalt (II) and lanthanides from chloride leach liquors of spent
nickel-metal hydride (Ni-MH) batteries is described. After leaching in 12molL− 1 HCl, the …

Leaching and recovery processes for zinc and copper from brass slag by sulfuric acid were
carried out and iron and aluminum were also precipitated as hydroxides in addition to silica …

Zinc smelting slag belongs to hazardous solid waste. Traditional pyrometallurgical or
hydrometallurgical technology for treating zinc smelting slag focuses on zinc extraction but …

Fe 3+ is an impurity of the raw phosphoric acid from wet-process route and the waste
phosphoric acid from the etching process of electronic industry. The effects of temperature …

The extraction equilibrium of Zn (II) and Fe (III) from chloride solution by the mixture of TBP
(tri-n-butyl phosphate) and D2EHPA (di (2-ethylhexyl) phosphoric acid), diluted in kerosene …

The extraction of zinc in the presence of manganese and cadmium from chloride solution
with di 2 ethyl hexyl phosphoric acid (D2EHPA) in kerosene diluent were comprehensively …

This work analysed the extraction of Zn (II), Cd (II), Cu (II) and Fe (III) from hydrochloride
aqueous solutions using imidazolium and ammonium-based ionic liquids as sole extraction …

Trihexyl (tetradecyl) phosphonium chloride (Cyphos IL 101)–a phosphonium ionic liquid–
was used as a novel reagent mixed with toluene to extract selectively zinc (II) from chloride …