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Alternative sorption filter materials effectively remove non-particulate organic pollutants from stormwater - ScienceDirect
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Natural materials successfully filter greywater - Society for Science
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Make a Water Filter
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The purification of wastewater on a small scale by using plants and sand filter | SpringerLink
Filter Your Water - Bell Museum
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MIT engineers make filters from tree branches to purify drinking water | MIT News | Massachusetts Institute of Technology
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Create a Water Filter from Recycled and Natural Materials - Pinnguaq
Create a Water Filter from Recycled and Natural Materials - Pinnguaq
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