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Pebble matrix filtration in Papua New Guinea
Slow Sand Filters become inoperative during heavy rains when the raw water supply becomes turbid. A novel pre-treatment method called Pebble Matrix Filtration was tested in the laboratory and then triedout in the field in Papua New Guinea. Pre-treatment was shown to reduce turbidity and faecal coliforms dramatically.
Slow Sand Filters become inoperative during heavy rains when the raw water supply becomes turbid. A novel pre-treatment method called Pebble Matrix Filtration was tested in the laboratory and then tried
out in the field in Papua New Guinea. Pre-treatment was shown to reduce turbidity and faecal coliforms dramatically.
out in the field in Papua New Guinea. Pre-treatment was shown to reduce turbidity and faecal coliforms dramatically.
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