Plastic bottles could clean arsenic-contaminated water

Chopped up plastic bottles covered in a common chemical may be a simple and inexpensive method for removing arsenic from drinking water.

A team of chemists at Monmouth University, United States, found that bits of plastic coated with cysteine, a common molecule found in foods, bind to arsenic.

http://pampawater.blogspot.com/p/plastic-bottles-could-clean-arsenic.html