Chopped up plastic bottles covered in a common chemical may be a simple and inexpensive method for removing arsenic from drinking water.
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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.
“Laboratory experiments have shown that the method has the potential to be very efficient and very cost effective,” Tsanangurayi Tongesayi, lead author of the study and an assistant professor at the university told SciDev.Net.
“The method uses plastics which are cheap and locally available,” he added. “[It] is eco-friendly because it involves recycling of plastic bottles [and] is also safe because the chemical ingredients used are not toxic.” Read more
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