초록 ▼

This invention provides a sterilizing water-purifying reagent for removing muddiness of water to be treated or sterilizing the water to be treated as drinking water in fields or under drinking water shortage environment, and the sterilizing water-purifying reagent comprises an acidic additive contai

This invention provides a sterilizing water-purifying reagent for removing muddiness of water to be treated or sterilizing the water to be treated as drinking water in fields or under drinking water shortage environment, and the sterilizing water-purifying reagent comprises an acidic additive containing as main ingredients various types of metal salts and nonmetal salts produced by dissolving vermiculite weathered from mica mineral or soil further weathered from the vermiculite in aqueous inorganic acid solution.

대표청구항 ▼

A portable water purifier for producing drinking water comprising a water purifier body of plastic film or sheet, the body open at the top and formed by heat sealing or high frequency wave sealing of the plastic film or sheet, and a funnel type holder for detachably holding a filter bag connected wi

A portable water purifier for producing drinking water comprising a water purifier body of plastic film or sheet, the body open at the top and formed by heat sealing or high frequency wave sealing of the plastic film or sheet, and a funnel type holder for detachably holding a filter bag connected with the inner periphery of the water purifier body, a filter bag containing filtering material, the filter bag being supported by the funnel type holder, a section of the body above the funnel type holder being a raw water containing chamber and a section of the body below the funnel type holder being a purified water containing chamber, the upper portion of said raw water containing chamber being separated into two chambers including a sterilizing, precipitating and agglomerating chamber and a second chamber by switching means located at the bottom of the sterilizing, precipitating and agglomerating chamber, said switching means for opening and closing the sterilizing, precipitating and agglomerating chamber relative to the second chamber, the sterilizing, precipitating and agglomerating chamber containing a sterilizing water-purifying reagent, and the purified water containing chamber being generally closed and having an openable and closable outlet near the bottom of the chamber.