Algae Reduces Rural Wastewater
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Wastewater plantsThe Conversation
•Science
Science
Algae can clean sewage without electricity or chemicals – we put it to the test in South Africa
88% Informative
Many rural communities in South Africa face a growing sanitation crisis.
Wastewater treatment systems are often old, overloaded, or broken.
Microalgae removed pathogens without using any chemicals or mechanical equipment that runs on electricity.
This is a sustainable, low-cost approach to wastewater treatment that can improve public health and the environment.
Phycoremediation needs land as each pond covers nearly 40,000 square metres .
It also takes at least two to three weeks for the algae to clean wastewater.
The ponds also need to be large enough to hold all the town’s sewage so it is fully cleaned by the algae.
VR Score
89
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89
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English
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