Environmental Engineering Reference
In-Depth Information
chapter three
Roadblocks to the
implementation of
biotreatment strategies
Jeffrey W. Talley
Contents
3.1
Introduction .................................................................................................. 34
3.2
Factors affecting biodegradation ............................................................... 36
3.2.1
Metals ................................................................................................ 36
3.2.2
Temperature ..................................................................................... 37
3.2.3
Water ................................................................................................. 37
3.2.4
pH ...................................................................................................... 37
3.2.5
Toxic compounds ............................................................................ 38
3.2.6
Effects of soil type ........................................................................... 38
3.2.7
Nontechnical issues ........................................................................ 38
3.3
Treatment zones ........................................................................................... 39
3.4
Alternative physical and chemical technologies .................................... 40
3.4.1
Incineration ...................................................................................... 40
3.4.2
Air stripping..................................................................................... 40
3.4.3
Activated carbon adsorption......................................................... 40
3.4.4
Advanced oxidation........................................................................ 41
3.4.5
Low thermal stripping ................................................................... 41
3.4.6
Pump and treat ................................................................................ 42
3.4.7
Stabilization...................................................................................... 42
3.4.8
Dechlorination ................................................................................. 43
3.4.9
Compost............................................................................................ 43
3.5
Transitioning from bench-level to full-scale design............................... 44
3.5.1
Microscale phenomena................................................................... 44
3.5.2
Mesoscale phenomena.................................................................... 44
33
