Cigarette ash used to filter and purify drinking water

According to latest groundbreaking research, the smokers can at least do something useful this time! While for many of us the cigar ashes is just a smelly waste that needs to be disposed, for a team of researchers has become a very important resource.

A team of chemists led by Jiaxing Li at the Academy of Sciences of China, invented a cigar ash-based water filter.

The researchers coated the ash in aluminum oxide, thereby obtaining a filter that can remove arsenic from water very efficiently.
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It was achieved a purification rate of 96%, a level that makes the filter powerful enough to meet the quality standards set by the World Health Organization for arsenic filters.

The secret behind the discovery is the porous nature of cigarette ash , which makes it ideal for filtering water. The device obtained is inexpensive and can be a solution for the more than 130 million people suffering from drinking water contaminated with arsenic.