Recycling, recovery and reprocessing of waste materials for making some new useful products. It is a cyclic process for producing a recycled material. In unwanted waste materials are recycled, and their processing or produce into new products, and the purchase of those products, which may then itself be recycled. Different type substance is recycledon process they are iron and metal scrap, aluminum cans, glass bottles, paper, wood, and plastics. The materials are reused in recycling assist as replacement for raw materials bought from such increasinglylimited herbal assets as petroleum, herbal gas, coal, mineral ores, and trees. Recycling can help to reduce the part of strong waste settled in landfills, which have become increasingly expensive. Recycling also decrease the pollution of air, water, and land ensuing from waste discarding.
About photocatalytic metal complexes for Cr(VI) to Cr(III) reduction reaction