Instructions for constructing 300 liter/day and 2,000 liter/day water treatment systems, and a drum oven for making biochar adsorbent, using inexpensive and widely available materials
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Graphical design manuals
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Instructions for constructing 300 liter/day and 2,000 liter/day water treatment systems, and a drum oven for making biochar adsorbent, using inexpensive and widely available materials