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SINGAPORE: Professor Gatze Lettinga was awarded the Lee Kuan Yew Water Prize 2009 by President SR Nathan at the Istana on Wednesday.
This is to recognise the professor's use of anaerobic technology to create an environmentally-sustainable solution for the treatment of used water.
Professor Lettinga beat 38 other international nominations to clinch the award.
His winning concept not only helps purify industrial used water but produces renewable energy, fertilisers and soil conditioners as well.
Professor Lettinga's concept is currently used in close to 3,000 reactors - about 80 per cent of the world's anaerobic used water treatment systems.
- CNA/yb
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