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CWATER COOLING WATER
CALCULATION PROGRAM
COMPUTER MODEL OF CYCLES OF
CONCENTRATION
Here is
an example of the printout from data that is input to Cwater program:
USING SQUANTO INDUSTRIAL
WATER, NAPERVILLE, IL
======================================================================
INPUT 2.00 2.50 3.00 3.25
3.50 3.75 4.00 4.50 5.00
5.50 6.00
Hardness
140 280 350 420
455 490 525 560
630 700 770 840
Calcium
90 180 225 270
293 315 338 360
405 450 495 540
Magnesium
50 100 125 150
163 175 188 200
225 250 275 300
P Alkalinity
0 0
8 24
26 28 30
32 36 40
44 48
M Alkalinity
110 220 275 330
358 385 413 440
495 550 605 660
Chloride
12 24 30
36 39 42
45 48 54
60 66 72
Silica
2 4 5
6 7
7 8
8 9
10 11 12
pH
7.8 8.2 8.4
8.6 8.6 8.7
8.7 8.8 8.9
9.0 9.0 9.1
Iron
0.2 0.4 0.5
0.6 0.7 0.7
0.8 0.8 0.9
1.0 1.1 1.2
Sulfate
5 10 13
15 16 18
19 20 23
25 28 30
Conductivity
280 560 700 840
910 980 1050 1120 1260
1400 1540 1680
pH_SAT
7.4 6.9 6.7
6.5 6.5 6.4
6.4 6.4 6.3
6.2 6.1 6.0
Langelier SI
0.3 1.4 1.7
2.0 2.1 2.2
2.3 2.4 2.6
2.8 2.9 3.1
Ryznar SI
7.1 5.5 5.0
4.5 4.3 4.2
4.1 3.9 3.6
3.4 3.2 3.0
Puckorius SI
7.3 5.8 5.3
4.9 4.7 4.6
4.4 4.3 4.0
3.8 3.6 3.4
Mg Silicate 15.8 Ca Sulfate L
52.7
******** CYCLE USED 3.5
********
THE TONNAGE IS 900 TONS
THE CIRCULATION RATE IS 4050.0
GA/MIN
THE EVAPORATION RATE IS
18370.8 GA/DAY
THE BLOWDOWN RATE IS 7348.3
GA/DAY
THE MAKEUP IS 25719.1 GA/DAY
THE VOLUME IS 20250.0 GALLONS
THIS QUOTE IS BASED ON
TREATMENT OF 25719 GALLONS PER DAY
PRODUCT USED/DAY COST/YR W/ 150
DAYS/YR
COOLZ 3-4 GPD APPROXIMATELY $,000
DEPENDING ON
WEATHER CONDITIONS AND LOADS
PRICE PER DRUM IN 30 GALLON
DRUMS.................................$ PER GALLON
ALGAECIDE & BIOCIDE ALTERNATE
ONCE PER WEEK COST/YR W/ 150 DAY
ALGAECIDE 0.54 GALLONS PER WEEK
PRICE PER DRUM IN 15 GALLON
DRUMS............................... $ PER GALLON
BIOCIDE 0.9 GALLONS PER WEEK
PRICE PER DRUM IN 15 GALLON
DRUMS.................................$ PER GALLON
INPUT DATA
TONNAGE: 900, TEMP DIFF: 12,
SENSIBLE HEAT: 0.9, HOURS PER DAY: 10
DAYS PER YEAR: 150,
EQUIPMENT/PROCESS DOWNGRADE FACTOR: 0.70
MAX TEMP: 110, TYPE ABSORPTION
CYCLES DECISION BASED ON THE
FOLLOWING.CONDITION CYCLES
Mg Silicate < 6.0 6.00
Ca Sulfate < 6.0 6.00
CONDUCTIVITY < 4000 6.00
Langelier SI <= 2.5 4.00
Ryznar SI <= 4.3 3.50
Puckorius SI <= 5.0 3.00
THE LOWEST NUMBER OF CYCLES IS
USED
THE COMPUTER SELECTED 3 CYCLES
THE OPERATOR SELECTED 3.5
CYCLES
Software Copyright © 1991 Cassedy Company, Inc.
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