MIL-HDBK-1138
Page
FIGURES
Figure
1
Definitions of Solids ...................15
2
Typical Two-Compartment Septic Tank .....21
3
Conventional Gravity Separator ..........31
4
Process Schematic of CPI Separator ......32
5
Process Schematic of Dissolved
Air Flotation ...........................34
6
Decision Tree for Pretreatment of
Oily Waste ..............................38
7
Electrochemical Corrosion Cell ..........69
8
Galvanic Corrosion Cell .................71
TABLES
Table
1
Estimated Septic Tank Pumping Frequencies
in Years ................................23
2
Maintenance Checklist for Septic Tank
System Failures .........................25
3
Recommended Inspection Points for
Oil/Water Separators .................... 41
4
Physical and Chemical Characteristics
of Septage ..............................45
5
Comparison of Septage and Domestic
Wastewater ..............................46
6
Treatment Process Components Subject to
Freezing Problems .......................54
7
Winter Problems with Preliminary
Treatment ...............................54
8
Winter Problems with Clarifiers .........59
9
Winter Problems with Biological Systems .61
10
Winter Disinfection Problems ............64
11
Winter Problems with Solids Management ..65
12
Practical Galvanic Series of Metals .....72
13
Surface Preparation Standards ...........78
14
Chemical Shipping Data and
Characteristics ......................... 83
15
Chemical-Specific Feeding
Recommendations .........................94
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