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
Aluminum,
Full strength or
----
Diaphragm pump
Storage tank,
Odor control
Hastelloy C,
any dilution
Plunger pump
water metering
titanium,
and filtration
Viton, Kel-F,
device for
PTFE, CPVC
dilution
METHANOL: CH3OH
Full strength or
----
Gear pump
Storage tank
304 ss,
Wood alcohol
any dilution
Diaphragm pump
316 ss,
denitrification
brass,
bronze,
Carpenter 20,
Hastelloy C,
buna N, EPDM,
Hypalon,
natural
rubber, PTFE,
PVDF, NORYL,
Delrin, CPVC
OZONE: O3
As generated
Gas diffused in
Ozonator
Air-drying
Glass,
Taste and odor control
Approx. 1% ozone
water under
equipment
316 ss,
Disinfection
in air
treatment
Diffusers
ceramics,
Waste treatment
aluminum,
Odor: 1 to 5 ppm
Teflon
Disinfection: 0.5 to
1 ppm
PHOSPHORIC ACID, ORTHO:
50 to 75% conc.
----
Liquid
Rubber gloves
316 St. (no F),
H3PO4
Diaphragm pump
Penton, rubber,
(85% is syrupy;
FRP3, PVC-1,
Boiler water softening
100% is
Bal. diaphragm
Alkalinity reduction
crystalline)
pump
Hypalon, Viton,
Cleaning boilers
Plunger pump
Carp. 20 ss,
Nutrient feeding
Hastelloy C
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