MIL-HDBK-1164
Table 9 (Continued)
Quantities and
Disposal Possibilities
Type of Waste
Characteristics
Treatment Required
1.Lagooning (up to
Dewatered sludge hauled
Clarifier underflow.
50% solids).
to landfill (agricultural
2.Vacuum filtration
applications possible).
(40-50% solids).
3.Centrifuging (50-
60% solids).
Return to water plant
influent.
Recalcining generally
Solids concentration is
limited to large plants
generally approximately
(>20 mgd) by economic
5%, but may range from 2
considerations.
to 30%.
Non-gelatinous.
Typically 85-95% calcium
carbonate, with some
magnesium hydroxide.
Diatomaceous
Lagooning, with
Haul solids from lagoon to
See filter manufacturer's
earth sludges
supernatant recycled to
landfill.
literature for quantities.
plant influent.
Solids normally
60-70% diatomaceous
earth; remainder raw water
impurities; dry density
3
about 10 lb/ft ; specific
gravity 2.
Carbon slurries
Quantities and
Granular carbon can be
Haul solids to landfill.
characteristics variable.
regenerated and
Incinerate dewatered
recycled.
solids (high heating
Powdered carbon
value).
cannot be regenerated;
dispose of powdered
carbon following
dewatering.
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