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Aerobic digestion

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					Chapter 31 Index

A

Aerators
      diffused, 31-41
      mechanical surface, 31-44
      submerged mechanical, 31-44
Aerobic digester performance, 31-5
Aerobic digestion processes, 31-6
Aerobic-anoxic operation
      aerobic digestion, 31-22
      alkalinity recovery and pH balance, 31-24
      dissolved oxygen and oxygen requirements, 31-26
      energy savings, 31-26
      nitrification and denitrification, 31-22
      nitrogen removal, 31-27
      phosphorus reduction, 31-29
      system flexibility, 31-36
      temperature control, 31-32
Autothermal thermophilic aerobic digestion, 31-8
      advantages, 31-8
      disadvantages, 31-9
      typical design considerations, 31-9

B

Basin configuration, aerobic digestion, 31-21
Blowers, aerobic digestion, 31-45

C

Cryophilic aerobic digestion, 31-11

D

Data collection, aerobic digestion, 31-64
Digestion, aerobic, 31-1

E

Energy savings, aerobic digestion, 31-26
Equipment, aerobic digestion, 31-39

H
High-purity-oxygen aerobic digestion, 31-7

L

Land application, aerobic digestion, 31-48

M

Maintenance, aerobic digestion, 31-64
Mesophilic aerobic digestion, 31-12

N

Nitrification and denitrification, aerobic digestion, 31-22, 31-23
Nitrogen removal, aerobic-anoxic operation, 31-27

P

Pathogen reduction, aerobic digestion, 31-51
Phosphorus reduction, aerobic-anoxic operation, 31-29
Prethickening, aerobic digestion, 31-12
Process control, aerobic digestion, 31-57
Pumps, aerobic digestion, 31-45

R

Reactors, aerobic digestion, 31-39
Recordkeeping, aerobic digestion, 31-65
Regulations, aerobic digestion, 31-47

S

Scheduling, aerobic digestion, 31-65

T

Temperature control, aerobic-anoxic operation, 31-32
Troubleshooting, aerobic digestion, 31-60–31-64

				
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