B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 24/20 (2006.01) C02F 1/00 (2006.01) C02F 1/28 (2006.01)
Patent
CA 2151367
The invention relates to a slow sand filter comprising in the embodiment a layer of granular activated carbon (3) sandwiched between two layers (4) and (5) of sand.
Foster David
Sanders Trevor
Bereskin & Parr
Thames Water Utilities Limited
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