Practical Action Publishing
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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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Walls- using interlocking stabilised soil blocks
Soil blocks have distinct advantages over hollow concrete blocks as well as fired bricks. It offers greater structural stability by having "keys" which interlock with other blocks when constructing walls and columns. This technical brief discusses about this technology.
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Urine Diverting Dehydration Toilet (UDDT)
The majority of communities worldwide pollute ground water resources and the environment as a result of flush toilets.
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Solar Thermal Technologies in India
Renewable energy practices in India
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Solar PV Technologies in Pakistan
Renewable energy practices in Pakistan
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SODIS - Solar Water Disinfection
This document looks at issues surrounding clean drinking water and a simple and low-cost solution called SODIS, where the heat and UV rays from the sun fall on water in plastic bottles, killing patho-genic micro-organisms.
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Small-scale Off grid Solar PV Installation Manual
A complete installation guide for Solar PV systems up to 235W (or one solar panel.) Written in collaboration with Quetsol, primarily for applications in Guatemala.
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Producer Gas for Power Generation
Producer gas is formed by the partial oxidation of a carbonaceous material, such as biomass or coal, in a furnace, generator, or 'producer' unit. This fact sheet outlines the method of doing this, and also other factors to consider like availability of resources and resulting pollutants.
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Peanut Roaster
The design and construction of a peanut roaster
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Preparation of Risk Maps
This document looks at risk map usage in the emergency preparedness project in Peru, recognising that more comprehensive risk-reduction strategies are constantly emerging.