From an amateur’s point of view, Singapore has done well to upgrade its purification system to membrane technology. Not only is this a good water management practice as they anticipate for lower quality water from Marina Bay Barrage, it is also to be ahead in technology. Singapore as a Water Hub must have the courage to try on new technology even though it may be more costly than the traditional purification system.
However other technology can be explored especially if it will produce water at a lower cost. Membrane requires electricity to run and rising fuel cost may cause this technology to not look as promising as it is now. Therein lies the solar-powered water purification system yet unexplored. Other developed countries like United States have tested such system in order that each household may become a self-sufficient water purification unit.
In conclusion, it is good that Singapore keeps abreast of water technology. However we hope Singapore will continue to explore different water purification technology, and perhaps even water management.
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