Waste concept, problems, classification and management. Pretreatment and physical, chemical and biological treatment of industrial wastewater. Solid waste: Properties and treatment plants. Heat treatment and energy recovery from waste through incineration, pyrolysis, gasification. Kilns. Energy recovery, boilers, turbines and electrical generators. Waste from heat treatments. Design and building of landfills. Landfill leachate production, collection and treatment. Landfill gas production, control, extraction and energy recovery. Closure and sealing of landfills.