PUB And MEIDEN Collaborate On Singapore's First UASB-Ceramic Plant
Published on by Water Network Research, Official research team of The Water Network in Business
The 1 mgd plant will demonstrate the effective use of Upflow Anaerobic Sludge Blanket (UASB) and Ceramic Membrane Bioreactor (MBR) technologies for industrial used water recycling
National water agency PUB and Japanese firm Meiden Singapore yesterday jointly opened a S$10.3 million demonstration plant capable of treating and recycling industrial used water, in a bid to recover every drop of water used here.
The plant, which is located at Pioneer Road and has a capacity of 4,550 cubic metres per day, can produce non-potable water that can be used by industries on Jurong Island for the purposes of cooling machinery, for example.
This is in contrast to PUB's current practice of treating about 86,000 cubic metres of industrial used water per day to internationally accepted standards before discharging it into the sea.
The plant, the first of its kind in Singapore, combines two technologies — upflow anaerobic sludge blanket (UASB) and ceramic membrane bioreactor (MBR) — to decompose organic matter in industrial waste water using bacteria before it is further distilled through membranes to become non-potable recycled water.
The agency's Chief Technology Officer Harry Seah said: "Previously, we used the conventional approach where we treat the industrial waste water … to more or less remove the contaminants in the water and after that it is discharged into the sea. But this is a bit of a waste, so with USAB and MBR, we hope to recover every drop of water."
The demonstration plant also saves energy and time, compared to the conventional treatment processes of industrialised used water, said Meiden.
Source: Today Online
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