Month: March 2000
Bangkok’s multi-storey sewage solution
Bangkok's Yannawa WwTW was officially opened last December, marking the end of a $180M project started in 1994. The restricted area available for the plant required an extremely space-efficient treatment process and some novel sewer routing. John Senior of Ove Arup & Partners International reports.
The use of submersible mixers in STPs
Submersible mixers are particularly useful in nitrification, denitrification and P elimination where a good mixing of the tank contents is required. Compared with conventional mixers, fully submerged units are capable of achieving considerable energy savings at STPs. Wilfried Wasser of ABS Pumps reports.
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