As the population is set to increase over the text decade and urbanisation spreads around the world, people will continue to discard more and more waste. According to the world Bank A Global Review of solid waste management, the volume of waste in world cities is expected to increase to 2.2 billion tonnes by 2025 (from 2012 level of 1.3 billion tonnes of solid waste per year) . the rates of waste generation are set to more than double over the next twenty year in lower-income countries.