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Impressed Current Anodes >
Anodes
- Mixed Metal Oxide
De Nora
Rod
Anodes
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De Nora Rod Anodes
are comprised of a titanium substrate with a mixed metal oxide coating.
The mixed metal oxide is a crystalline, electrically conductive coating
that activates the titanium and enables it to function as an anode.
Standard length is 4
ft, but the anodes may be custom cut to virtually any length. They are
available in the following diameters: 1/8", 1/4", 1/2", 3/4". Anode
coatings may be selected to match fresh water, brackish water, seawater,
coke, or sand environments. |
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Applications
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Process Vessels
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Water Condenser Boxes
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Heat Exchangers
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Water Intake Structures
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Groundbed
Features
- High Current Output
- Low Coating Wear Rate
- Five Year Product Warranty
- Also available as Rod Anode Assemblies
Benefits
- Lower Cost per Ampere-Year
- Constant Electrical Resistance
- No Hassles
Rod Anodes Sizes
De Nora Rod Anodes are available in these
standard sizes:
- 1/8" x 4'
- 1/4" x 4'
- 1/2" x 4'
- 3/4" x 4'
Selection of the anode coating is based on
operating environment:
- FW Freshwater or Brackish Water
- SW Seawater
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Typical
Rated Current Output
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Application
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Anode Dia.
(inches) |
Design Life
(years) |
Rated Current Output
(Amps per linear inch) |
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Freshwater |
0.125
0.25
0.50
0.75 |
10
10
10
10 |
20
20
20
20 |
0.067
0.134
0.268
0.400 |
0.044
0.088
0.167
0.270 |
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Seawater |
0.125
0.25
0.50
0.75 |
10
10
10
10 |
20
20
20
20 |
0.140
0.280
0.570
0.840 |
0.123
0.245
0.490
0.740 |
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Coke |
0.125
0.25
0.50
0.75 |
10
10
10
10 |
20
20
20
20 |
0.052
0.103
0.210
0.310 |
0.035
0.069
0.140
0.210 |
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Sand |
0.125
0.25
0.50
0.75 |
15
15
15
15 |
30
30
30
30 |
0.0167
0.0033
0.0067
0.0100 |
0.00094
0.0019
0.00375
0.00556 |
Selection
of the anode coating is based on operating environment.
Standard Rod Anode Assemblies
For
applications in vessel internals, De Nora Rod Anodes are available with mounting
assemblies, consisting of an FRP dielectric shield and 1" or 1.25" NPT nipple
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Freshwater or
Brackish Water
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Sea Water
Environments
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Part Number
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FA-ROD 0.5FW
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FA-ROD 0.75FW
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FA-ROD 0.5SW
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FA-ROD 0.75SW
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Max. Current Output (amps)
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1.6
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2.4
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9.7
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14.6
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Rod Diameter (in)
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0.5
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0.75
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0.5
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0.75
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Total Length (in)
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24
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24
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24
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24
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Active length max-user specified
(in)
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16
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16
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16
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16
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FRP Length (in)
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6
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6
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6
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6
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Maximum water velocity (ft/sec)
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2
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5
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2
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5
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Drag &
Vibration Data of Rod Anode Assembly
Anode
Life Data
Due to the
extremely low consumption rates and dimensional stability of mixed metal
oxide anodes, the electrical resistance of De Nora Rod Anodes remains
essentially constant with time.
The high current
density capacity of De Nora mixed metal oxide anodes has the added
advantage of allowing high current overloads for initial polarization
without causing harm to the anode.
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