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Solar Pasteurization

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A thermometer or indicator is needed to tell when sufficient temperature is reached for pasteurization. Common devices for monitoring the water temperature use either beeswax, which melts at 62°C, or soya bean fat, which melts at 69°C. A simple device known as the Water Pasteurization Indicator (WAPI) has been developed at the University of California.

 

 

==Acknowledgements==

* [http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=0CFMQFjAB&url=ftp%3A%2F%2Fftp.wpro.who.int%2Fscratch%2FENH%2FHWTS%2FWHO%2520Final%2FParticipant%2520Manual%2FAppendices%2FParticipant%2520Manual_Appendix%25202_HWTS%2520Fact%2520Sheets_2011-09-05%2F4_Disinfection%2FHWTS%2520Fact%2520Sheet_Solar%2520Pasteurization_2011-06.doc&ei=tkW1T9y3HfLXiALHx4mjBA&usg=AFQjCNHPXtJ2aj8ruMEzIMc0XxNLwdPLnQ&sig2=yivwN1sV477cklNzUGhFpQ Household Water Treatment and Safe Storage Factsheet: Solar Pasteurization.] CAWST, 2009.

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