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NORTHERN CALIFORNIA POWER AGENCY <br /> STIG PROJECT - LODI, CALIFORNIA <br /> EVALUATION OF WATER FOR INJECTION <br /> WSWPCF MULTIMEDIA <br /> FILTER <br /> add 20 micron <br /> add chem add <br /> chem [1l chem <br /> DEMINER- RO ULTRA- [31 CARTRIDGE COOLING <br /> ALIZER UNIT FILTER FILTERs TOWER <br /> [51 5 micron <br /> add <br /> chem #1 Si02 <br /> [61 Monitor [41 add [21 <br /> TURBINE BOILER chem <br /> [7l <br /> Surge WASTE RECEIVER TANK <br /> (60,000 gal) <br /> [81 #2 Si02 <br /> Monitor <br /> INJECTION CARTRIDGE <br /> WELL FILTERS DIVERTER WSWPCF <br /> STIG #1 3 micron [91 [101 <br /> FIGURE I: FLOW DIAGRAM <br /> FLOW RATES (gpm) <br /> FLOW CONDITIONS <br /> A B C D E <br /> [11 766 646 728 766 820- A: Mid-range conditions <br /> C = [21 73 59 100 73 100 B: High input concentrations <br /> [31 620 620 528 620 620 C: Cooling tower upset <br /> U = [41 200 108 108 200 200 D: Mid-range w/boiler upset <br /> [57 420 420 420 420 420 E: Boiler blowdown (surge) <br /> R = [61 130 130 130 130 130 In terms of discharges, <br /> B = [71 3 3 3 3 250 <br /> [81 406 300 341 406 430+ mutt = (2.68R + 2C + 1.3U + 0.00948)/(R+C+U+B) = m <br /> [91 200 200 200 200 200 <br /> [101 206 100 141 206 230+ In the vicinity of A-type rates; <br /> dm/dR = +.0020 <br /> mutt* 1.86 2.02 2.02 1.86 1.25 dm/dc = +.0004 <br /> time% 68 50 50 68 100 dm/dU = -.0014 <br /> dm/dB = -.0046 <br /> *net concentration multiplier time% represents a statistical likelihood <br /> at the waste receiver tank that initial silica concentration will be <br /> increased by the multiplier value with the <br /> final concentration remaining below 120 mg/kg. <br /> For 9 months in 1992-1993, silica concentration <br /> averaged 59.5 mg/kg with standard deviation 11.2. <br /> DON MICHELS ASSOCIATES -Missoula,Montana USA <br /> 3 <br />