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10th International Rainwater Catchment Systems Conference
"Rainwater International 2001"
Mannheim, Germany - September 2001

Section 3: Rainwater: Quality Issues

Paper 3.7

Rainwater Treatment Technology for Affordable, Quality Drinking Water

Willem P. Boelhouwer

Glenn Rexwinkel, Procede Twente BV Bert Heesink
University of Twente
The Netherlands


The final resolution of the 9th International Rainwater Catchment Systems Conference, held in Brasil in 1999, stated that greater attention needed to be placed on improving the quality of rainwater. Up until then efforts were concentrated only on the catchment of rainwater.

The Second World Water Forum, held in 2000 in the Hague, confirmed that view, stating the importance of providing drinking water quality for small communities, including using Rainwater Catchment as a natural source.

The time has come to seek ways of providing affordable, appropriate solutions to increase the quality of rainwater so as to fulfil drinking water requirements and thereby create growth for Rainwater Harvesting

Until now, only simple mechanical filtering devices have been available. These take out large particles but do not stop micro-organisms, organic and inorganic contaminants, such as heavy metals, getting through.

This prompted a development programme, in partnership with the Technical University of Twente in The Netherlands, to create a compact, integrated drinking water filter suitable for domestic use by small communities in urban, peri-urban and rural areas.

PDF of full document (3pp, 36kb)

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