Preliminary Research on Removal of Organic Substances Contained in Wastewater from Plastic Lenses Production
Water and wastewater treatment and reuse
250 million people worldwide suffer from visual impairment. 64% of them wear glasses. More than 80 percent of all eyeglasses worn today have plastic lenses. Plastic lenses made of polycarbonate discs are created through the process of machining which requires the use of a coolant. The ensuing...