M. Tech. III Sem. Environmental Engineering Industrial Wastewater Treatment 1. Compare aerobic and anaerobic processes of waste water treatment. 2. Describe the effects of industrial waste on living organisms. 3. Describe the sources, quantity and characteristics of wastewater from a slaughter house. 4. Describe the Streeter-Phelps formulation to calculate the organic loads released into a stream. 5. Describe various processes of physical and chemical treatment for industrial wastewater. 6. Differentiate between the characteristics of domestic and industrial wastewaters. Why industrial wastewater is more harmful then domestic wastewater? 7. Discuss the methods of recovery from industrial waste generated from pulp and paper industry. 8. Discuss the methods of recovery from industrial waste generated from tannery. 9. Discuss the problems posed by industrial wastewater pollution in Western Rajasthan. Suggest appropriate remedial measures. 10. Discuss the statement. "The cost of pollution abatement is quite high but the overall returns to the society and the mankind at large is much higher, if all the benefits of a clean environment are expressed monetarily." 11. Discuss the utility of activated sludge process in the treatment of industrial waste. 1 12. Draw a simplified diagram of food-processing industries, indicating the waste generated in the plant. 13. Draw a simplified diagram of paper and pulp mill, indicating the waste generated in the plant. 14. Explain various methods of disposal of sludge from different units of treatment giving their merits and demerits. 15. Give the characteristics of metal-plating waste and suggest suitable treatment. 16. Give the characteristics of pharmaceutical waste and suggest the suitable treatment. 17. Give the characteristics of waste from cement industry and suggest suitable treatment. 18. Give the justification of the flow diagram you will recommend for treatment of waste water from a cotton and synthetic textile unit. 19. Give the justification of the flow diagram you will recommend for treatment of waste water from a composite textile unit so as to have its re-use within the industry. 20. In which industry the terms black liquor and white water are used? Describe these terms and the context in which these are used. 21. List the data you will collect and the points that you will bear in the mind while planning a Common Effluent Treatment Plant. Outline the procedural steps that you will follow? 22. Outline the general characteristics of waste water discharged by a dairy industry having all the processes. 2 23. Outline the general characteristics of waste water discharged by a pulp and paper industry having all the processes. 24. Outline the general characteristics of wastewater discharged by a fertilizer industry having all the processes. 25. What are the ill effects of discharging industrial wastewater into a body of fresh water? Write down the allowable standard parameters of the industrial wastewater to be discharged on land or in rivers. 26. What are the major pollution parameters you expect from a cement industry? Suggest the treatment you feel proper to care of them. 27. What are the major pollution parameters you expect from a distillery unit? Suggest the treatment you feel proper to care of them. 28. What are the parameters which affect the efficiency of an aerobic treatment plant? 29. What are the salient features of Water Act 1974 , Air Act 1981 and Environmental (Protection) Act 1986? 30. What are the sources of radioactive waste? Explain the methods of treatment of these types of waste. 31. What are the special problems of Industrial waste water? Suggest suitable measures for their solution. 32. What do you understand by Equalisation, Neutralization and Proportioning of industrial waste? 33. What do you understand by strength and volume reduction of industrial waste? How this is advantageous in case of treatment of Industrial wastewater? 3 34. What is the utility of activated sludge process in the treatment of industrial waste? 35. Write a note on regulatory agencies for industrial waste control. 36. Describe in detail the lines of treatments and suitable methods of disposals for the following industrial wastes: i) Cyanide waster ii) Dairy waste iii) Distillery waste iv) Fertiliser waste v) Food processing vi) Metal plating waste vii) Pulp and Paper waste viii) Slaughter house waste ix) Sugar mill wastes x) Tannery waste xi) Textile industries xii) Waste from cement industry 37. Write short notes on any FOUR of the following:- i) Characteristics of industrial waste water ii) Reuse and recovery of bye-products iii) Role of pollution control board iv) Tertiary treatment of industrial waste v) Treatment of chromium waste vi) Waste water recycle in industries 4