Forewords
The term recycling refers to the process of changing waste materials into usable, new products, thus, preventing the wastage of useful materials. It leads to the reduction in the consumption of fresh raw materials, usage of energy, water pollution, and air pollution. It obviates the need for conventional waste disposal, and the greenhouse gas emission is far less than fresh production of the product. There are several materials and wastes that can be recycled including plastics and others. Modern waste management includes recycling as a key component and is the third aspect of waste management hierarchy which includes Reduce, Reuse, ...