Treating Wastewater Produced from Household-scale ...
Households engaged in small-scale manufacturing activities produce wastewater … Wastewater is a resource that can be collected, treated using natural processes, stored, and used for food production and horticulture. • Biogas digester. • Settler. • Filters. - Up-flow gravel filter. - Planted gravel filter. - Sand filter. • Polishing ...
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aisf's website is aisf.or.jp