Table 15 (Continued)
Chemical-Specific Feeding Recommendations
Feeding Recommendations
Chemical-to-
Suitable
Common Name/
Best
Water Ratio for
Types
Accessory
Handling
Formula
Feeding
Continuous
of
Equipment
Materials for
Dissolving1
Solutions2
Use
Form
Feeders
Required
Gravimetric
Rubber, iron,
Hopper agitator
CALCIUM OXIDE: CaO
1/4 to 3/4 in.
2.1 lb/gal
steel,
and non-flood
pebble lime
(range from 1.4
Belt
(Quicklime, burnt lime,
concrete,
rotor for ground
to 3.3 lb/gal
chemical lime, unslaked
Pellets
L-I-W
Hypalon,
and pulv. lime
according to
lime)
Ground lime
Volumetric
Penton, PVC-1
slaker, etc.)
Recording
Coagulation
arches and is
Universal
Dilute after
thermometer
floodable
Softening
slaking to
Helix
Water proportioner
Pulv. will arch
0.93 lb/gal
pH adjustment
Lime slaker
and is floodable
(10%) max.
Waste neutralization
High temperature
Soft burned,
slurry
Sludge conditioning
safety cut-out and
porous best for
alarm
slaking
Precipitate PO4
CARBON, ACTIVATED: C
Powder: with
Washdown-type
According to
316 ss,
Gravimetric
wetting tank
bulk density of
its bulkiness
rubber,
L-I-W
(Nuchar, Norit, Darco,
12 lb/cu ft
and wetability,
bronze,
Carbodur)
Vortex mixer
Volumetric
a 10 to 15%
Monel,
Slurry: 1 lb/gal
Decolorizing, taste and
Helix
Hopper agitators
solution would
Hastelloy C,
odor removal
FRP3, Saran,
Rotolock
Non-flood rotors
be the max.
Dosage between 5 and
concen.
Hypalon
Slurry
80 ppm
Rotodip
Large storage
cap. for liquid
Diaphragm pumps
feed
Tank agitators
Transfer pumps
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