Articles on Sewage

Displaying 1 - 20 of 35 articles

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.
Air, water, land and wildlife are tainted with thousands of chemicals that we cannot see, smell or touch — and may not be considered a threat to wildlife. (Shutterstock)

Wildlife are exposed to more pollution than previously thought

Scientists have a new approach to understanding how pollution threatens species at risk in Canada.
Raw sewage from 3,500 people in Sydney’s affluent eastern suburbs is discharged directly into the ocean. Will Turner/Unsplash

Australia’s pristine beaches have a poo problem

Sydney's affluent eastern suburbs have raw and untreated sewage from 3,500 people discharged directly into the Tasman Sea.
Monitoring sewage for virus allows for a quick public health response if any polio is detected. AP Photo/Matt Rourke

Sewage surveillance is the next frontier in the fight against polio

Polio can be circulating through a community long before anyone is paralyzed. Monitoring sewage for the virus lets public health officials short-circuit this 'silent transmission.'
The Hawkesbury’s waters look beautifully natural but treated sewage makes up to 20% of the river flow where the North Richmond Filtration Plant draws its water. Karl Baron/flickr

More of us are drinking recycled sewage water than most people realise

Perth is looking at recycling all its sewage in the city's future water supply. But many Australians' drinking water already contains indirectly recycled treated sewage.

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