Cassedy Company, Inc.
Phone: 502-747-5965
           630-450-6995
e-mail: info@cassedycompany.com
BWATER CALCULATION PROGRAM
COMPUTER MODEL OF BOILER SYSTEM AND PRODUCT DATA USING YOUR TOWN USA WATER
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SAMPLE FROM LAKE MICHIGAN WATERWATER MODEL Selected is #3 softened by sodium zeolite
        WATER PROCESS MODEL USING REPRESENTATIVE CHARACTERISTICS
SAMPLE FROM CHICAGO, IL.
PROCESS                1     2     3     4     5     6     7     8     9    10
Hardness          140|    0|    2|    2|    0|    7|    2|    2|    2|   22
Calcium               90|    0|    1|    1|    0|    5|    1|    1|    1|   14
Magnesium         50.    0|  0.0|  1.0|  1.0|  0.0|  1.5|  1.0|  1.0|  1.0| 12.5 
P Alkalinity            0|    0|    0|    0|    0|    0|    0|    0|    0|    0
M Alkalinity        110|    0|  110|   17|    6|    8|   17|  110|   72|   68
Chloride              10|    0|   10|   40|    0|    1|   10|   10|   10|   10
Silica                     2|    0|    2|    8|    0|    0|    2|    0|    1|    1
pH                      7.8|  0.0|  7.8|  8.8|  7.0|  7.0|  7.8| 10.8| 10.8| 10.8
Iron                     0.1|  0.0|  0.1|  0.1|  0.0|  0.1|  0.1|  0.1|  0.1|  0.1
Sulfate                20|    0|   20|   20|    0|    0|   20|   20|   20|   20
Conductivity      280|    0|  280|  280|    6|   28|  252|  280|  224|  224
Suspended Solids     100|    0|    0|    0|    0|    0|    0|    0|    0|    0

        ============ BOILER CYCLES ARE   8.0 =============
  PROCESS CHOICE
1 = RAW WATER                             2 = FILL IN VARIABLES
3 = SOFTENED BY SODIUM ZEOLITE
4 = SOFTENED BY SODIUM ZEOLITE AND DEALKALIZED BY CHLORIDE ANION
5 = DEIONIZER OR EVAPORATOR
6 = REVERSE OSMOSIS
7 = SPLIT-STREAM DEALKALIZED/DEGASIFIER
8 = SODIUM ZEOLITE AND STRONG BASE ANION FOR SILICA REMOVAL
9 = HOT LIME/HOT SODIUM ZEOLITE          10 = HOT LIME/SODA ASH
WATER USED FOR CALCULATIONS SOFTENED BY SODIUM ZEOLITE, CHOICE 3
THE POUNDS PER SQUARE INCH GAUGE ARE (PSIG) 100
THE POUNDS OF STEAM PER HOUR ARE 20,833
THE POUNDS OF STEAM (DOWNGRADED) PER HOUR ARE 16,667
THE POUNDS OF STEAM PER DAY (24.0 HOURS) ARE    500,000
THE POUNDS OF STEAM (DOWNGRADED) PER DAY (24.0 HOURS) ARE    400,000
THE STEAM PRODUCTION IS CALCULATED KNOWN AMOUNT
THE BOILER CYCLES ARE FROM M ALKALINITY
MAKEUP BOILER CYCLES ARE   8.0
FEEDWATER CYCLES ARE   80.0
BLOWDOWN PERCENTAGE 0.013
MAKEUP IS .10
THE RETURN IS .90
GALLONS OF FEEDWATER      48,603.71     POUNDS OF FEEDWATER     405,063.28
GALLONS OF MAKEUP       4,860.37        POUNDS OF MAKEUP      40,506.33
TOTAL (M) ALKALINITY DEVELOPED   866.80     ALKALINITY REQUIREMENTS   -26.68
SILICA REQUIREMENT      5.90
THE TEMPERATURE OF THE FEEDWATER IS 180
MAKEUP SULFITE   31.12    FEEDWATER SULFITE   25.72
THE BOILER IS A WATER TUBE

  CYCLES DECISION BASED ON THE FOLLOWING.
          BOILER WATER.
DRUM       TOTAL           SPECIFIC             SILICA        SUSPENDED   TOTAL            IRON
PRESSURE   ALKALINITY  CONDUCTANCE  PPM SiO2  SOLIDS            HARDNESS  Fe
PSIG       PPM CaCO3           UMHOS/CM            PPM            PPM                  CaCO3            PPM

0-300         700         7000        150        300       0.300    0.100
301-450     600         6000        90        250       0.300    0.050
451-600     500         5000               40        150         0.200    0.030
601-750     400         4000         30        100       0.200    0.025
751-900     300         3000         20         60        0.100            0.020
901-1000    200         2000          8         40         0.050    0.020
1001-1500     0          150                   2         20         0.0        0.010
1501-2000     0          100            1          5         0.0        0.010

DRUM GAUGE PRESSURE (PSIG) 100
         THE FOLLOWING TABLE IS FROM STEAM TABLE
PSIGBTU        PSIGBTU        PSIGBTU
0.0  18075.3290.45175.3  350.7
1.3  184.3580.3 294.47 180.3  353.0
2.3  187.4885.3 298.33 185.3   355.37
3.3  190.4890.3 302.3    210.3  366.17
4.3  193.3495.3  305.61 236.3  376.0
5.3  196.09100.3309.04 260.3 386.2
7.3  201.25105.3312.37  285.3       393.92
10.3208.33110.3315.80 335.3409.84
15.3218.73115.3318.73 385.3424.2
20.3227.82120.3321.77 435.5437.41
25.3235.93125.3324.74 485.3449.7
30.3243.28130.3327.83 585.3472.3
35.3249.92135.3330.44 685.3492.9
40.3255.19140.3333.18 785.3511.8
45.3261.98145.3335.88 885.3529.5
50.3267.39150.3338.47 985.3546.0
55.3272.49155.3341.03 1235.3     583.6
60.3277.32160.3343.54 1485.3     617.5
65.3281.90165.3345.99 1985.3     679.0
70.3285.90      170.3348.42         2485.3      742.8

Products Selected:
Boiler Sludge Conditioner Product: 1.5-2.0 pounds per 1000 gallons of makeup
1.8 pounds times 4.8 M= 9 pounds or 1.02 gallons per day approximately

Oxygen Scavenger Product: 2.26 pounds per 1000 gallons of makeup
2.26 pounds times 4.8 M =10 pounds or 1.04 gallons per day approximately

Polymeric dispersant Product: ¾ gallons to 1 gallon for fluid sludge

Return Line Product: 1.9 pounds per 1000 gallons of makeup
1.9 pounds times 4.8 M =9 pounds or 1.1 gallons per day approximately