Complete stripping of mineral matrix depending on gold speciation and occurrence form has guaranteed an increase in the metal recovery of more than 18,4%. Key words: invisible gold, chemical acseleration, invisible gold forms, clay minerals and carbon substances.
Sand Blasting | stripe-a-zone. Sand blasting has been widely implemented in commercial and industrial applications since the 1800s. We use compressed air and special equipment to propel very fine bits of material, usually silica sand or small pieces of metal shot, at high-velocity to clean or etch a surface.