Rainwater is collected through a network of drains, canals and r........

The National Taps are water from local catchment, imported water, NEWater and .......

The three step process to obtain treated used water in NEWater plants are microfiltration, reverse osmosis and ………….

In the NEWater production, the water is first purified using microfiltration. What substance(s) is(are) removed ?

In reverse osmosis, it is optional for pressure to be present in this process.

In the final stage of NEWater treatment, reverse osmosis process purify the water which includes removing undesirable contaminants including viruses.

Pure drinking water obtained from seawater is through the ………. process.

Desalination is a sustainable process of obtaining drinking water.

In Singapore, desalination is carried out using …….

Distillation is NOT used to obtain drinking water from seawater because a large amount of fuel is needed to heat up the seawater hence uses up a lot of …..

Water is passed through ultraviolet light to destroy remaining bacteria and viruses. ….. are then added to the water to meet the quality requirements for use.