Engineering and Technology

Design, performance, and demand for a novel in-line chlorine doser to increase safe water access

J. E. Powers, C. Mcmurry, et al.

Discover the innovative Stanford-MSR Venturi, a groundbreaking in-line chlorine doser that enhances safe drinking water access in low-income areas, developed by researchers including Julie E. Powers and Cynthia McMurry. This device operates without electricity, and its successful field trials in Kenya show strong demand and impressive technical performance, with 97.6% of samples showing detectable chlorine residual. Dive in to learn how it could transform water safety!

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Index

Abstract

This study introduces a novel in-line chlorine doser, the Stanford-MSR Venturi, designed to improve safe drinking water access in low-income settings. Utilizing the Venturi principle, the device automatically adds chlorine at water collection points without electricity or moving parts. Field testing in Kenya showed high technical performance (97.6% of samples had detectable chlorine residual), with strong demand from kiosk owners, who largely paid for service packages to lease or purchase the device. Customer surveys revealed that 66% preferred chlorinated water. The results indicate significant potential for scaling up the Venturi to enhance safe water access.

Publisher

npj Clean Water

Published On

Jan 14, 2021

Authors

Julie E. Powers, Cynthia McMurry, Sarah Gannon, Adam Drolet, Jared Oremo, Linden Klein, Yoshika Crider, Jennifer Davis, Amy J. Pickering

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