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    • 3. 发明申请
    • METHODS FOR CLEANING WATER FILTRATION MEDIA
    • 清洗水过滤介质的方法
    • WO2012177366A2
    • 2012-12-27
    • PCT/US2012040010
    • 2012-05-30
    • BLUE EARTH LABS LLCO'CONNOR STEPHEN DYU C J
    • O'CONNOR STEPHEN DYU C J
    • B01D35/22B01D24/46B01D29/62B01D33/44B01D35/20
    • C02F1/001C02F1/283C02F2303/16
    • A method of removing contaminants from water filtration media is disclosed, including (a) applying a granular cleaner to the water filtration media, and (b) after step (a), applying multiple discrete doses of an activator to the water filtration media at predetermined time intervals. Further disclosed is a method of cleaning water filtration media, including (a) applying a granular cleaner to the water filtration media that is reactive with at least one first inorganic contaminant; (b) after step (a), applying a liquid cleaner to the water filtration media that is compositionally different from the granular cleaner and reactive with at least one second inorganic contaminant; and (c) after step (b), applying an activator to the water filtration media that is reactive with an organic contaminant. A method of cleaning water filtration media is also disclosed including agitating at least a portion of the water filtration media.
    • 公开了一种从水过滤介质中除去污染物的方法,包括(a)向水过滤介质施加颗粒状清洁剂,和(b)在步骤(a)之后,将多个离散剂量的活化剂施加到水过滤介质上, 时间间隔。 进一步公开了一种清洁水过滤介质的方法,包括(a)将颗粒状清洁剂施加到与至少一种第一无机污染物反应的水过滤介质中; (b)在步骤(a)之后,将液体清洁剂施加到组合物上不同于颗粒清洁剂并与至少一种第二无机污染物反应的水过滤介质; 和(c)步骤(b)之后,将活化剂施加到与有机污染物反应的水过滤介质中。 还公开了一种清洁水过滤介质的方法,包括搅拌至少一部分水过滤介质。