To address the environmental crisis caused by the marine oil spill, the researchers at the Indian Institute of Technology, Guwahati, have developed a certain type of cotton. It is highly porous in nature and water repellent. The cotton composite material can selectively absorb oil from the oil-water mixture.
It contains Metal-Organic Framework (MOF) which has the quality for selective separation of oil from oil-water mixture. The separation efficiency lies between 95 per cent and 98 per cent, regardless of the chemical composition and density of the oil. It can be used multiple times, at least 10 times.
Oil spill accidents and leakage happen frequently during offshore oil extraction and oil transportation. The severe water pollution threatens the health of humans as well as other living species. Hence the treatment of murky and oily industrial wastewater and the separation of oil spills from water has become a challenging task worldwide.
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