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![Water Filter Biochar Generation System](https://farmhack.org/sites/default/files/filter%20char%20generation%20oven.jpg)
Water Filter Biochar Generation System
Fabricating a 200 L Biomass Gasifier for Making Enhanced Water Filter Biochar: The basics of biomass gasification: a low-cost, user-friendly and environmentally sustainable method for making good water filter char from agricultural and forestry residues. Open access handbook available from Aqueous Solutions, www.aqsolutions.org.
![Multi-Barrier "Nano" Water Treatment System](https://farmhack.org/sites/default/files/%22nano%22%20WTP.jpg)
Multi-Barrier "Nano" Water Treatment System
Constructing a Portable Drinking Water Treatment Plant: A detailed guide for setting up a 300 L/day small drinking water treatment plant from inexpensive materials that can be carried on foot into remote locations and installed with filter media acquired/generated on-site. Open access handbook available from Aqueous Solutions, www.aqsolutions.org
![Multi-Barrier "Micro" Water Treatment System](https://farmhack.org/sites/default/files/%22micro%22%20WTP.jpg)
Multi-Barrier "Micro" Water Treatment System
Constructing a Multi-Barrier Water Treatment System Using Local Materials: The basics of water treatment and targeted approaches for removing both biological and chemical threats to drinking water quality. Detailed instructions for building a ~ 2000 L/day community water system incorporating biologically active sand and (bio-)char filtration. Open access handbook available from Aqueous Solutions, www.aqsolutions.org.