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Articles on Water treatment

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Water purification at a modern urban wastewater treatment plant involves removing undesirable chemicals, suspended solids and gases from contaminated water. arhendrix/Shutterstock.com

Microwaving sewage waste may make it safe to use as fertilizer on crops

The solids from wastewater plants are usually dumped into landfills because they are contaminated with heavy metals. Now there is a way to remove the metals so the waste can be used as fertilizer.
Digital attacks can cause havoc in different places all at the same time. Pushish Images/Shutterstock.com

A cyberattack could wreak destruction comparable to a nuclear weapon

Nuclear threats are serious – but officials, the media and the public keep a close eye on them. There’s less attention to the dangers of cyberattacks, which could cripple key utilities.
Which council has Australia’s best-tasting water? Arthur Chapman/Flickr

Why does some tap water taste weird?

Every year councils around Australia compete to prove they have the best-tasting tap water in the country.
News about the sewage and pollution in Guanabara Bay in Rio have caused health concerns among Olympic athletes. Ricardo Moraes/Reuters

Brazil’s sewage woes reflect the growing global water quality crisis

Wastewater treatment systems around the world are hamstrung by outdated tests that don’t identify a growing array of pathogens or identify the sources of pollutants.
There are still concerns over the impact of upstream coalmines on water in the Warragamba Dam, a key part of Sydney’s water network. AAP Image/Dean Lewins

Cuts to WaterNSW’s science staff will put Sydney’s water quality at risk

The cutting of senior staff from WaterNSW, the body that oversees the safety of Sydney’s water supply, poses serious risks to Australia’s most complex water network.

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