Practical Answers
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Removing Arsenic From Water
This brief outlines the different arsenic removal methods and technologies that are available for use with small-scale supplies in developing countries.
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Briquette Production Process
This is a poster that illustrates both carbonised and non carbonised briquette production process.
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Peanut Roaster
The design and construction of a peanut roaster
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Stone Arch Bridges
Construction of stone arch bridges.
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Solar PV Energy in Nepal
Renewable energy practices in Nepal
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Small-Scale Papermaking
Paper making is a good example of how a small-scale industry can be developed to make use of local resources and cater for local markets while keeping capital investment down.
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Monitoring checklists: Water points and latrines
These check-lists have been developed to monitor water and sanitation infrastructure development in rural communities. They can be used as a training guide for community management committees and water point supervisors.
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Delivery Model of Wood Gasifier Stoves in Sri Lanka
Instead of burning the fuel-wood with a complete combustion to generate heat directly, a wood gasifier stove, which is also called a Forced Draft Wood Gasifier Stove, follows a two-step process. This two stage process leads to more complete combustion, releasing less smoke and less emission, particu...
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Solar Photovoltaic (PV) Technologies in Bangladesh
Renewable energy practices in Bangladesh.
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Bio-Latrines
This brief looks at the option of using bio-latrines, an on-site dry toilet technology which generates fertilising materials and fuel from the human excreta.