Define coagulation and flocculation in wastewater treatment.
[3 marks]What is a Clari-flocculator and its main function?
[4 marks]Explain high-rate sedimentation techniques with sketches and design considerations.
[7 marks]Differentiate between slow and rapid sand filters.
[3 marks]Write about the detention time in a grit chamber.
[4 marks]State the design criteria for a grit chamber.
[7 marks]Compare trickling filter and activated sludge system.
[7 marks]What is endogenous respiration in biological treatment?
[3 marks]Define the term “sludge age” in activated sludge process.
[4 marks]Compare aerobic and anaerobic treatment processes?
[7 marks]Name the methods of sludge stabilization. Explain any one of them.
[3 marks]What is F/Mratio and why is it important?
[4 marks]Explain in detail the modifications of activated sludge process.
[7 marks]Define industrial wastewater. Which are the characteristics of industrial wastewater?
[3 marks]Which are the environmental impacts of industrial wastewater discharge?
[4 marks]Discuss the procedure for selecting a suitable treatment method for a industrial wastewater.
[7 marks]Write the different chemical methods for industrial wastewater treatment and explain any one of them. Page 1 of
[2 marks]Which are the factors that influence the selection of a treatment method for industrial wastewater?
[4 marks]Why waste minimization and source reduction in industrial wastewater management is important?
[7 marks]Which are the aspects of industrial wastewater treatment plant operation?
[3 marks]Define “Troubleshooting” in the context of a treatment plant.
[4 marks]Explain the concept, design considerations, and benefits of CETPs.
[7 marks]What is meant by “Zero liquid discharge” in industries?
[3 marks]Define the concept of pollution load.
[4 marks]Describe waste reduction techniques that can be applied at the source in industries. Page 2 of
[2 marks]