METHOD FOR DECONTAMINATING DRINKING WATER CONTAMINATED BY RADIOACTIVE SUBSTANCE, DRINKING WATER PURIFICATION DEVICE, AND INTERNALLY CLEANSING DRINKING WATER

摘要

Provided is a method for decontaminating drinking water contaminated by radioactive substances, that decontaminates drinking water contaminated by the radioactive substances and changes same to an internally cleansing drinking water including an appropriate mineral content. The method has: a stage in which the drinking water contaminated by the radioactive substances is caused to pass through a zeolite-filled column in order to remove positively-charged radioactive substances including cesium ions, strontium ions, and cobalt ions; a stage in which the drinking water that has been caused to pass through the zeolite-filled column is caused to pass through an anion-exchange resin-filled column in order to remove negatively-charged radioactive substances including iodine ions; and a step in which the drinking water that has been caused to pass through the anion-exchange resin-filled column is caused to pass through a column filled with fine particles from dead coral scrap processing, that have been heat-treated and sterilized in order to make the water into mineral water having a mineral content including calcium and magnesium.