The rate of iron recovery of pyrite cinders is up to 90% by maturation treatment after pyrite cinders mixing with sulfuracid.
将硫铁矿烧渣与硫酸混合后,经过熟化处理可使烧渣中铁的回收率达到90%以上。
2
The wet process consisted of roasting, sulfuracid pretreatment and chlorination leaching of gold is examined. The results show that gold leaching rate is 97.95% and silver leaching rate is 79.86%.
Sulfur dioxide, a major contributor to acid rain, is an especially serious pollutant because it diminishes the respiratory system's ability to deal with all other pollutants.