Dixiu Wu

TL;DR: In this paper, a combined process of alkaline pressure oxidative leaching (APOL) and Na2S leaching was proposed to extract arsenic and antimony from high arsenic smelter ash.

TL;DR: In this article, a causticization method combined with alkaline leaching and purification process was used to treat with lead refining slag, and the optimized leaching conditions were established: 2 mol/L of NaOH concentration, 2'h of leaching time, 85'°C of temperature, 6'mL/g of liquid-to-solid ratio, 800'r/min of agitating speed.

TL;DR: In this article, a combined process of roasting, leaching, purification, and evaporating-crystallizing to prepare Na2SnO3·3H2O directly from lead refining dross was investigated.

TL;DR: In this paper, the effect of roasting and leaching parameters on the extraction efficiency of tin was investigated, and the results indicated that the developed method is feasible to produce calcium stannate from lead refining dross.

TL;DR: In this article, the effects of soda roasting, leaching, and precipitation on the extraction of tin from slime were investigated in detail, and the following optimum conditions were identified: Na2CO3/tin anode slime mass ratio of 1:1, roasting temperature of 1000 °C, Roasting time of 45 min, charcoal powder dosage of 20%, NaOH concentration of 2 mol/L, liquid-to-solid ratio of 14:1.