South Australia researchers find way to combat water shortages
(MENAFN) Researchers in South Australia are developing an innovative, eco-friendly approach to combat water shortages in drought-affected rural communities by using algae to recycle wastewater.
At Flinders University, scientists are testing improved high-rate algal pond (HRAP) systems that utilize native filamentous algae. This advancement allows for quicker and more effective wastewater treatment, while simplifying the removal of solids, according to a recent university statement.
This new method not only enhances water quality for uses like irrigation but also provides a cost-effective and energy-efficient alternative to conventional sewage treatment processes. Such solutions are crucial in addressing the severe water scarcity faced by regional populations.
Local government bodies in South Australia have already implemented HRAP systems, where low-power paddlewheels move wastewater through channels populated by microalgae and bacteria, which work together to eliminate pollutants.
“Algae-bacterial granule formation is a positive way for biofilms to form dense, fast-settling biomass and improve treated wastewater quality,” explained Sam Butterworth, a PhD researcher at Flinders University.
Currently, the research team is trialing advanced sequencing batch reactor HRAP technology at a wastewater treatment facility in South Australia. The goal is to refine biological treatment processes to achieve faster and more efficient results without requiring significant new investments.
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