521-OM0108.88
Copyright
2009 Nalco Company
6-21
Technical Help
(630) 305-CHEM
3D TRASAR
5500 - Installation & Operation Manual
System Parameters
Turbidity (NTU)
<150
HTI (hrs)
6-400
Volume (gal)
No limit
1
Blowdown Rate (gpm)
No limit
1
System Volume/Recirc Rate Ratio (min)
<20
Biocide Compatibility
Bleach
Compatible
Stabrex
Compatible
Actibrom
Compatible
Towerbrom 960
Compatible
2
Towerbrom 991
Compatible
CI
2
Gas
Compatible
3
Cl0
2
Not Compatible
3
BCDMH with EASIBROM Feeder
Compatible
3
Stabilized Bleach
Not Compatible
Isothiazolinone
Compatible
Glutaraldehyde
Compatible
DBNPA
Compatible
90005
Compatible
Ammonia Levels
with Bleach (ppm)
<20
with Stabrex (ppm)
<100
with Actibrom (ppm)
<300
Other Variables
Iron (ppm)
N/A
4
SO
2
None
Sulfides (ppm)
None
Copper (ppm)
<300
8. What are the operating limits for 3D TRASAR Bio-Control?
1
Systems with volume greater than 2,000,000 gallons and blowdown rate greater than 1,200 gpm need to use
3DTBR10.
2
Compatible only with 3D TRASAR Bio-Shock mode.
3
Field tests in progress or trial sites needed. Call 630-305-CHEM.
4
0.5 ppm as Fe2+, but cooling towers are oxidizing environments and Fe2+ is not generally found.