Patent ID: 7943050
Filing Date: 2011-05-17
Classification: C02F

Abstract:
1. A method for controlling the microbial contamination of water comprising: a) sizing clinoptilolite to a range of particle diameters from about 1 mm to about 10 mm; b) washing the clinoptilolite from step a) with a hydrochloric acid solution to remove sodium and calcium ions; c) drying the clinoptilolite from step b); d) mixing the clinoptilolite from step c) with a solution having a pH of about 1-4 containing sulfuric acid and a zinc compound; e) drying the clinoptilolite from step d); f) adding a solution having a pH of about 9-11 containing sodium hydroxide to the clinoptilolite from step e); g) drying the clinoptilolite from step f); h) placing the clinophilolite from step g) into a container; and i) passing the water through the container from step h) to control the microbial contamination of the water.