A Method for Water Disinfection with Solar Pasteurisation for Rural Areas of Bangladesh (2014)

This Master thesis has been written by Erika Lundgren as part of the Masters Programme in Environmental and Water Engineering at Uppsala University, Sweden. It was financed by the Swedish International Development Agency (SIDA) on behalf of International Science Programme (ISP) at Uppsala University, involving also the department of Biomedical and Physics at University of Dhaka, Bangladesh.

The thesis studies the use of a low-cost semi-permanent solar pasteurization devices to remove pathogens from surface water in Bangladesh. The commonly used solar devices usually destroy pathogens through pasteurization, heating the water over 60°C for 30 minutes, and exposing water to UV-light from the sunshine. Nevertheless, these devices have to be installed every time to be used, while the semi-permanent device studied in the thesis is more user-friendly.

Even if further investigations are required, the results of the microbiological studies show that the semi-permanent device is able to purify water to a safe level, and its user-friendliness and low costs make it a possible choice for rural areas.

Author: Erika Lundgren

Date: January 2014

Pages: 66

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