Microsoft Word - pgdem-041.4 PRIMARY TREATMENT
1.4.5 Chemical Coagulation
1.4.5.5 Advantages and Disadvantages of coagulation
1.6 SUMMARY
1.7 KEYWORDS
2.2.3.2 Types of trickling filters
2.2.3.3 Merits and demerits of trickling filters
2.2.3.4 Goals of trickling filters
2.3 ACTIVATED SLUDGE PROCESS
2.3.2 Methods of aeration
B) SPIRAL FLOW TANKS
2.3.2.3 Combined diffused and mechanical aeration
2.3.3 Bulking and foaming sludge in an activated sludge treatment plant Foam
2.3.4 Advantages of an activated sludge process
2.3.5 Disadvantages of activated sludge process
2.4 ROTATING BIOLOGICAL CONTRACTORS (RBCs)
2.5 SUMMARY
2.6 KEYWORDS