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PUB Kranji, Singapore

The increased recovery from 75% to 84% enabled by ROTEC, led to the following benefits:

 A tapered flow Flow-Reversal (TF-RO) pilot with 5.5-6 m3/h feed was successfully operated for more than a year with stable flux and permeate quality.

 TF-FR pilot increased recovery from 75 to 84%

 TF-FR pilot achieved reduction of brine volume by 33%

 Reduction of anti-scalant consumption by 50%

 Stable operation in the presence of supersaturation of Calcium Carbonate, Sulfates of Ca, Ba and Sr and CaF2


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