METHOD FOR PREPARATION OF DRINKING-WATER CONTAINING VANADIUM IN HIGH CONCENTRATION AND APPARATUS THEREFOR

摘要

A method and an apparatus for the preparation of drinking water containing vanadium in high concentration are provided to prepare drinking water that is consistent with a standard of the drinking water, contains vanadium in high concentration, and further contains silica in high concentration. An apparatus for the preparation of drinking water in which vanadium is concentrated comprises: a raw water tank(10); a temperature measuring gauge(20) for measuring temperature of raw water; a feed pump(30) for feeding raw water to the micro-filter filtration part; a micro-filter filtration part(40); a pressurizing pump(50) for controlling pressures of reverse osmosis membranes; a raw water flow meter(60) for measuring the flow amount of raw water supplied to the reverse osmosis membranes; a reverse osmosis membrane filtration part(70) for concentrating vanadium of raw water; a permeate mixing tank(130) for collecting permeate discharged from the reverse osmosis membrane filtration part; an ultrafiltration membrane or activated carbon filtration part(140) for removing microorganisms and harmful substances of concentrate water; and a concentrate water storage tank(150) for collecting concentrate water discharged from the reverse osmosis membrane filtration part. The apparatus comprises 3 to 6 reverse osmosis membrane filtration parts(70,80,90,100,110,120). The reverse osmosis membrane filtration parts include reverse osmosis membranes(71,81,91,101,111,121), adjusting valves(72,82,92,102,112,122), concentrate water pressure gauges(73,83,93,103,113,123), concentrate water flow meters(74,84,94,104,114,124), and permeate flow meters(75,85,95,105,115,125).