1. One billion people lack safe drinking water. Every day they risk their lives and health by drinking from contaminated sources: they are missing out on a basic human right. Here the biosand filter can make a difference, providing safe drinking water, right where it’s needed most: at household...
  2. 2017-03-30 ECHOregularly publishes agriculture technical notes to address important agriculture development issues. Here is a short excerpt from a tech note on Biosand Water Filter. It is available on ECHOcommunity.org (http://edn.link/biosandwaterfilter).
  3. 2014-10-20
  4. 2017-11-30 Traditional water treatment using moringa seeds only removes 90 – 99% of pathogens while allowing fouling of the water over time.Over the past seven years Dr. Velegol’s research group has created an innovative and sustainable process that solves these two problems.When crushed seeds are added to...
  5. AbstractEnvironmental Science & Technology Letters, 2017 The purpose of this work is to determine parameters for the design of aMoringaseed sand filter for water purification.Moringa oleiferaseeds containing cationic antimicrobial proteins have been used as natural coagulants for the removal...
  6. 2018-01-31 Yellow Shoot, Green Fruit: Citrus Greening Disease EIAC 2017 Topic Summaries Echoes from our Network: edible insect feedback From ECHO's Seed Bank: Tree Lucerne(Tagasaste),multipurpose forage crop for the highlands eBook Release: Agricultural Options for Small-Scale Farmers
  7. 2017-11-22 ABSTRACT: Environmental Science & Technology, 2017 The purpose of this work is to determine parameters for the design of a Moringa seed sand filter for water purification. Moringa oleifera seeds containing cationic antimicrobial proteins have been used as natural coagulants for the removal of...
  8. 2018-01-31 This article summarizes several of the plenary sessions presented at the 2017 ECHO conference in Florida. If you were unable to attend the conference, or would like to review some of the talks, many of them can be viewed on ECHOcommunity.Other 2017 presentations that appear there include...
  9. Key Resource
    2001-01-01 Access to clean drinking water remains one of the greatest challenges in the world. The BioSand Filter is one method that can be used for purifying water at the household level. With this filter, contaminated water is filtered through a natural biological layer and then layers of sand, pebbles...