- •3. Sewage of industrial enterprises
- •3.1. Natural water
- •3.2. Structure and properties of sewage
- •3.3. Classification of sewage
- •3.4. Classification of methods of sewage clearing
- •3.5. The main principles of the choice of clearing circuits. Kinds of clearing constructions.
- •3.6. Ways of reduction of quantity and degree of pollution of sewage
- •3.7. Methods of sewage destruction (a burial place, pumping in chinks, pumping in sea depths, thermal destruction). Firm waste products of industrial enterprises and ways of their processing.
- •3.7.2. Pumping of waste products in deep horizons
- •3.7.1. Dumps and sludge storages
- •3.7.3. Thermal methods of waste disposal
- •Control questions on the topic “Sewage of industrial enterprises”
Control questions on the topic “Sewage of industrial enterprises”
1. Which role a water plays in life of people?
2. Explain the water circulation in nature.
3. Is there the pure water in nature?
4. Which kinds of substances natural water contains?
5. What is sewage?
6. What types of pollutants sewage contains?
7. Which factors influence on the degree of damage of sewage?
8. What compounds are contained in sewage of high toxicity?
9. Which general parameters of sewage pollution you know?
10. Classification of sewage.
11. Classification of methods of sewage cleaning.
12. What are the regenerative methods of sewage cleaning?
13. What are the destructive methods of sewage cleaning?
14. Which methods of sewage cleaning from suspensions and emulsions you know?
15. Which methods of sewage cleaning from mineral and organic dissolved impurities you know?
16. Which methods of sewage elimination and destruction you know?
17. Which basic principles of choice of clearing circuits you know?
18. For which purposes the local clearing constructions are intended?
19. Explain the structure of general clearing constructions.
20. Rules of sewage clearing in regional or city clearing constructions.
21. Which ways of reduction of polluted sewage quantity you know?
22. Which kinds of waste products are exposed to liquidation?
23. Which ways of waste products liquidation you know?
24. What is a dump? Call advantages and lacks of dumps.
25. What is a sludge storage? Call advantages and lacks of sludge storage.
26. Explain the principle of construction of sludge storage.
27. What is sanitary earthen covering? Call advantages and lacks of this method.
28. Call the basic requirements to sanitary earthen covering.
29. Which waste products are exposed to sanitary earthen covering?
30. Are the pumping of waste products in deep horizons, in deep layers of seas and oceans the rational decision of problem of waste products liquidation? Why?
31. What is pyrolysis? Call advantages and lacks of thermal methods of waste disposal.
32. Which kinds of firm waste products you know?
