Method of purifying water with weak-alkalinity which uses multi-step system including compound ceramic filter

摘要

PURPOSE: A weak alkali water purifying system using multistage water purifying method containing composite filter is provided, which conduct anti-bacterial effect and inhibit water quality changing owing to far infra red radiated from composite ceramic filter made of elvan, zeolite and cericite, and maximize pharmacological action, elution of alkali ion and production of essential micro mineral. CONSTITUTION: The system comprises the following steps: (i) pass pre-treatment filter(11) to remove large particles, iron dust and foreign material; (ii) pass pre-carbon filter(12) to adsorb organic matter such as chlorine fed to sterilize and odor matter; (iii) pass ion exchange resin(13) to remove inorganic matter and adjust hardness of raw water; (iv) pass silver coated activated carbon filter(14) to sterilize and remove organic matter; (v) pass hollow thread membrane(15) of 0.01 mm to remove various bacteria and impurities; (vi) pass TCR filter(17) to remove harmful color and improve water taste; and (vii) pass composite ceramic filter(20) composed by 45-55 wt.% of elvan, 15-20 wt.% of zeolite and 25-35 wt.% of cericite to convert raw water to weak alkali.