3. Industrial environmental discharge purification and recycling of wastes 3.1. Catalytic thermal reactors for industrial atmospheric emissions purification. 3.2. The application of modified graphite (TEG) as absorbent for purification of water and ground surfaces from organic products spillages. 3.3. Energy-efficient technology of agglomeration gases neutralization. 3.4. The technology of biogas utilization from cleanout constructions in industrial boiler-houses. 3.5. The cleaning of biogas from domestic wastes city dumps. 3.6. Small combustion plants. 3.7. Utilization technology of oil sludge.