Page 26 - Water and Wastewater Engineering Design Principles and Practice

CONTENTS xxiii

22 Wastewater Microbiology 22-1
22-1 Introduction 22-2
22-2 Role of Microorganisms 22-2
22-3 Classification of Microorganisms 22-2
22-4 Microbial Biochemistry 22-4
22-5 Population Dynamics 22-10
22-6 Decomposition of Waste 22-15
22-7 Microbiology of Secondary Treatment Unit Processes 22-16
22-8 Operation and Maintenance 22-24
22-9 Chapter Review 22-25
22-10 Problems 22-26
22-11 Discussion Questions 22-28
22-12 References 22-28

23 Secondary Treatment by Suspended Growth Biological
Processes 23-1
23-1 Introduction 23-2
23-2 Processes for BOD Removal and Nitrification 23-2
23-3 Processes for Denitrification 23-8
23-4 Processes for Phosphorus Removal 23-10
23-5 Biological Treatment with Membrane Separation 23-12
23-6 Suspended Growth Design Principles 23-14
23-7 Suspended Growth Design Practice 23-39
23-8 Membrane Bioreactor Design Practice 23-95
23-9 Chapter Review 23-98
23-10 Problems 23-99
23-11 Discussion Questions 23-109
23-12 References 23-113

24 Secondary Treatment by Attached Growth and
Hybrid Biological Processes 24-1
24-1 Introduction 24-2
24-2 Attached Growth Processes 24-2
24-3 Attached Growth Design Principles 24-4
24-4 Attached Growth Design Practice 24-6
24-5 Hybrid Processes 24-12
24-6 Chapter Review 24-14
24-7 Problems 24-15
24-8 References 24-16

25 Secondary Settling, Disinfection, and Postaeration 25-1
25-1 Introduction 25-2
25-2 Secondary Settling 25-2
25-3 Disinfection 25-15
25-4 Postaeration 25-21