Businesses can treat their solid waste by using a sewage treatment plant. It can turn the solid waste into effluent that is clean and environment friendly, and can therefore be disposed without causing any pollution. At the primary treatment stage, it removes loose solids. There are further secondary and tertiary treatment stages where suspended biological waste along with other waste is removed and then the wastewater is disinfected using chemicals. Not just industries, this plant can be installed in hospitals, institutions, residential buildings and commercial buildings.