Zimba

Automated Drinking Water Chlorinator

Zimba Water, Culcutta, India, 2009-2012

• Product Goal: Remove and prevent reintroduction of bacterial and viral pathogens in drinking water from borehole wells in India and beyond. 40-80% of clean borehole water is recontaminated after water collection (Gundry, et al., 2006; Tamdekar, 2008)

• Co-developed the Zimba automated chlorine doser with Suprio Das and others. Zimba doses liquid chlorine using differential pressures, a siphon mechanism, and no electricity. The product was independently verified to be the most effective on the market at reliably and accurately dosing chlorine into potable water from bore wells

  • India Patent: An automated device for batch mixing of one or more liquids with water/fluid in fixed volumetric ratios. Patent No. 692/KOL/2011. India. 20 May 2011.

  • Pickering, et al. 2015. PloS One

  • Amin, et al. 2016. Journal of Water Sanitation and Hygiene for Development