ABERDEEN, United Kingdom — A PhD candidate from Aberdeen University has created a system to remove arsenic from groundwater in Bangladesh, according to an article by The Guardian.

Leigh Cassidy has created a cleansing agent that combines draff, a byproduct of using grain in brewing alcohol products such as whisky, with a secret ingredient, the article reported.

Read more about arsenic treatment here.

The end product, named Dram, short for device for the remediation and attenuation of multiple pollutants, will use local ingredients such as coconut shells or rice husks instead of draff in Bangladesh to act as the organic filter media that traps the arsenic, noted the article.

According to the article, the World Health Organization considers the arsenic crisis in Bangladesh to be the largest mass poisoning of a population in human history; one in five deaths in Bangladesh are due to arsenic poisoning.

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PurifAid, a Canadian social enterprise, and Brac, the Bangladeshi NGO, are working to deploy Dram in Bangladesh using a $100,000 award from Grand Challenges Canada to start the project as soon as the Bangladeshi political situation is stable, the article reported.

Read the full article here.