Colorization Vs.Slow Sand Filtration in Removing Pathogens at the stage of Householders Drinking Water Sterilization ,Which is more Sustainable

Published on January 29, 2014 14:18 by Hussein Ibrahim, Previous Eastern Nile Watershed Development and Management - General Agricultural Specialist in Technology

Hello everyone, I am interested to knowColorization Vs.Slow Sand Filtration in Removing Pathogens at the stage of Householders Drinking Water Sterilization ,Which is more Sustainable ? and which system do you use and why?