Jan Teun Visscher

Results (1–3 out of 3)

IRC's slow sand filtration project

01.01.1986
Multi-stage surface water treatment for community water supply in Colombia

01.01.1992
Using a multi-barrier treatment for drinking-water greatly increases the potential of slow sand filters. Gerardo Galvis, Jan teun Visscher, and Barry Lloyd describe how this treatment process contributes to a remarkable overall improvement in water quality.
Out of the mouths of babes: an honest evaluation of water and sanitation in Ecuador

01.01.1996
Children should be seen and not heard? Not according to one team trying to get a clear picture of water and sanitation practices in the far-flung highland communities of Ecuador.

BIG CHANGE starts small

Practical Action Publishing Ltd, Company Reg. No. 1159018, England, VAT No. GB 880 9924 76 is the wholly owned publishing arm of Practical Action, Reg. Charity No. 247257, and trades only in support of its parent charity objectives

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Jan Teun Visscher

Results (1–3 out of 3)

IRC's slow sand filtration project

Multi-stage surface water treatment for community water supply in Colombia

Out of the mouths of babes: an honest evaluation of water and sanitation in Ecuador

BIG CHANGE starts small