METHOD OF RECYCLING ASH FROM BURNING WASTES OF TNT PRODUCTION Russian patent published in 2016 - IPC C06B21/00 

FIELD: blasting operations.

SUBSTANCE: invention relates to explosives technology. Method of recycling ash from burning wastes of TNT production, according to which the ash is subjected to leaching with heated water at the module of about 4.5, the obtained solution undergoes series sulphatizing with concentrated acid, oxidation with 28 % hydrogen peroxide, treatment with ammonia for hydration of iron and nickel, filtering from undissolved and deposited solid residues and evaporating until obtaining conditioned sodium sulfate.

EFFECT: invention provides elimination of air pollution.

1 cl, 1 tbl