Treatment of effluent containing heavy metal salts comprises heating, recovering and precipitating heavy metal salts evolved as gas, reintroducing to effluent and vitrifying

摘要

A method for the treatment of effluent containing heavy metal salts comprises heating to fusion point, recovery of gaseous anions and cations of heavy metal salts, treatment to separate heavy metal salts in a form suitable for inclusion in a vitrification matrix, their reintroduction into the heated effluent and final vitrification