Any material is termed nonusable after its complete utilization for an individ- ual purpose is called waste. Waste is generated either by human beings, ani- mals, or plants, or from any natural or artificial process. Waste takes many forms, such as municipal solid waste (MSW), biodegradable waste, nonbio- degradable waste, chemical waste, construction and demolition waste, elec- tronic waste, biomedical waste, wastewater, sludge, toxic waste, industrial waste, food waste, and so on