MANUFACURING METHOD OF CONCENTRATED ALUM WATER WHICH IS USEFUL AS NON-POLLUTED BACTERICIDAL DISINFECTANT

摘要

A method for manufacturing concentrated alum water from deep sea water is provided to treat dermatitis or prevent damage from insects containing alum, germanium, selenium and heavy metal. A method of producing a bactericidal disinfectant from deep sea water of coal mine dump comprises: a step of passing the deep sea water in the phase which elvan powder is plasticized at 400°C for 3-7 hours; a step of reducing heavy metal by passing the deep sea water through cation exchange resin; a step of concentrating treated water at 60°C; and a step of filtering the concentrated liquid.