Researchers have filtered wastewater through the roots of willow trees and estimate that over 30 million liters of primary wastewater per hectare can be treated using this type of "bio-refinery" annually.
Researchers have filtered wastewater through the roots of willow trees and estimate that over 30 million liters of primary wastewater per hectare can be treated using this type of bio-refinery annually.
Titre
A 'bio-refinery': using the chemistry of willow trees to treat Canada's municipal wastewater
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