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Am J Trop Med Hyg. 2008 Jun;78(6):979-84.

The chulli water purifier: acceptability and effectiveness of an innovative strategy for household water treatment in Bangladesh.

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  • 1Centers for Disease Control and Prevention, Atlanta, Georgia, USA. scg7@ug.cdc.gov

Abstract

To evaluate the effectiveness of the chulli water purifier, a new household water treatment strategy in Bangladesh that relies on passing water through a stove, we interviewed persons who had this water purifier. From households using it regularly, we tested untreated water, sand-filtered water without heat pasteurization, sand-filtered and heat pasteurized water, and household stored, treated water. Reasons for discontinuing use among 80 of 101 persons included mechanical problems (49%), inconvenience (35%), and high cost (10%). Only four households were regularly using the purifier. Three (19%) of 16 heat-treated samples were positive for Escherichia coli. The median log reduction from source water was > 5. Nine (56%) stored water samples were positive for E. coli, indicating recontamination. Poor durability, inconvenience, high cost, and post-treatment contamination limit the usefulness of the purifier. These issues, which are relevant for other household water treatment strategies, should be resolved before further implementation.

PMID:
18541780
[PubMed - indexed for MEDLINE]
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