Zimmer slipstream magnesium hydroxide recovery demonstration. Volume I of II. Final report, April 1, 1993--May 31, 1995 Page: 81 of 132
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Basis HC Cost =$0.05/kWhr
$91on=OprtigCost Power Req. = 3.73 kWhr
7000 hr/yr = Operation
Date Time Primary HC Secondary HC Product Stream Cost Analysis Primary Secondary Product # of HC's Apex Size
% CaSO4 % CaSO4 % CaSO4* Mg(OH)2 HCOF HCOF
% Mg(OH)2 2H20 % Mg(OH)2 2H20 % Mg(OH)2 2H20 Savings Micron Micron Percent Primary/ Primary/
Recovery Recovery Recovery Recovery Recovery Recovery (lbs/min) $/ Yr Size Size Micron Size Mg(OH)2 Secondary Secondary
6115/94 12:00 79.89% 92.29% 69.83% 70.51% 94.74% 7.84% 1.81 $32,970.28 7.1 15.9 4,0 68.9 5-5 1/4-1/4
6/16/94 14:00 81.72% 97.04% 53.39% 88,33% 91.36A 8.46% 1.08 $19,140.96 4.7 11.4 4.8 70.3 5-5 1/4-1/4
6/17/94 13:00 84.91% 82.27% 55.49% 89.82% 93.29% 8.81% 1.12 $19,819.80 29.8 18.2 3.2 70.1 5-5 1/4-1/4
6/27/94 .14:00 84.81% 73.51% 74.30% 92.26% 95.18% 8.75% 1.30 $23,258.46 19.4 Not Availabi 14.0 69.6 5-5 1/4-1/4
6/28/94 14:00 865.10% 64.79% 76.97% 87.65% 91.54% 7.90% 1.01 $17,775.71 18.0 NotAvailabl 11.6 69.4 5-5 1/4-1/4
6/28/94 20:00 88.20% 54.29% 47.48% 94.40% 94.39% 9.16% 1.56 $28,206.87 7.7 Not Ava/abi 5.4 69.6 4-5 1/4-1/4
6/29/94 18:00 83.13% 58.32% 78.73% 163.00% 89.79% 8.87% 0.81 $13,965.11 5.3 Not Availabl 4,6 69.6 5-5 3/8-1/4
6/30/94 13:30 83.67% 53.23% 65.68% 149.01% 90.26% 8.32% 1.02 $18,017.66 4.5 Not Availabl 4.0 68.4 4-5 3/8-1/4
6/30/94 20:00 84.67% 58.68% 89.53% 7.51% 0.93 $16,183.48 5.0 Not Availabl 4.2 67.2 5-0 1/4-0
7/5/94 14:00 82.52% 90.62% 89.34% 10.23% 0.75 $12,906.13 8.0 13.9 5.3 67.9 4-5 1/4-1/4
7/5/94 18:00 82.81% 89.10% 88.63% 10.97% 0.94 $16,521.36 7.0 5.7 67.8 5-0 1/4-0
7/5/94 22:00 83.31% 62.43% 87.76% 8.63% 0.85 $14,678.36 7.5 15.2 7.6 67.6 5-5 1/4-1/4
716/94 13:00 12.3 13.9 7.3 68 4-4 1/4-1/4
7/6/94 20:00 83.79% 88.29% 92.01% 11.50% 1.42 $25,578.24 14.5 17.3 12.2 68.1 5-5 1/4-1/4
7/7/94 14:00 82.89% 90.38% 90.45% 10.18% 1.28 $22,836.33 21.1 19.2 13.0 67.80 6-5 1/4-1/4
7/8/94 14:00 82.18% 91.87% 93.39% 10.79% 1.27 $22,637.67 13.8 14.2 14.4 67.5 4-4 1/4-1/4
Date Time Crystailizer Primary HC Secondary HC
TSS Constant HCOF#1 Constant HCUF#1 Constant HCOF#2 Constant HCUF#2 Constant
6/15/94 12:00 8.65 -3.2 2.14 -0.2 29.86 1 1.5 -1 24.97 N/A
6/16/94 14:00 4.68 0 1.68 0.05 27.47 0 0.5 -0.2 27.22 NIA
6/17/94 13:00 5.11 0.5 3.77 -1.6 27.95 0 0.4 -0.05 27.99 N/A
6127/94 14:00 7.9 -2.5 3.2 -0.6 24.08 1 1.7 -1.3 25.21 N/A
6/28/94 14:00 5.63 1.1 2.72 -0.1 26.33 1.5 2.7 -2.3 27.46 N/A
6/28/94 20:00 13.58 -3.1 3.95 0.3 33.78 0.9 0.5 0 35.46 N/A
6/29/94 18:00 5.04 0.1 3.39 -1.5 17.18 3 1.6 -1.3 32.57 N/A
6/30/94 13:30 9.08 -2.3 2.49 0 22.53 2 0.6 -0.2 37.03 N/A
6/30/94 20:00 12.87 -3.5 3.16 0 36.44 0 0.91 0
7/5/94 14:00 7.12 -2.4 2.64 -0.8 27.39 0 0.47 0 25.33 N/A
7/5/94 18:00 3.46 3 2.64 0.15 33.83 0 0,26 0
7/5/94 22:00 11.63 -3 2.23 0.8 34.96 0 0.31 0 37.28 N/A
7/6/94 13:00 3.39 0 1.34 0 25.04 0 0.60 0 23.92 N/A
7/6/94 20:00 4.75 2 2.46 0.4 34.16 0 0.40 0 39 N/A
7/7194 14:00 5.08 0.8 2.02 0.37 31.85 0 34.65 N/A
7/8/94 14:00 6.47 -0.7 2.06 0.2 31.8 0 24.4 N/ATable 12. Summary of Mass Balances Results for Testing Period
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Zimmer slipstream magnesium hydroxide recovery demonstration. Volume I of II. Final report, April 1, 1993--May 31, 1995, report, March 1, 1998; Columbus, Ohio. (https://digital.library.unt.edu/ark:/67531/metadc693041/m1/81/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.