Use of Improved Membranes in Tertiary Treatment by Reverse OsmosisBishop, H.K., McDonnell Douglas Corporation. Astropower Laboratory, United States. Environmental Protection Agency. Water Quality Office Water Quality Office, Environmental Protection Agency, 1970 - 67 páginas |
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Página 39
... ( mg / 1 ) la 2a 3 a 0.15 < 0.001 < 0.001 0.45 0.21 Total Alkalinity ( mg / l as CaCO3 ) Percent Removal 10.00 10.00 10.00 42.50 ** 300.00 76 76 76 Total Hardness ( mg / l as CaCO3 ) 100.00 25.00 40.00 1,800.00 200.00 Percent Removal 94 ...
... ( mg / 1 ) la 2a 3 a 0.15 < 0.001 < 0.001 0.45 0.21 Total Alkalinity ( mg / l as CaCO3 ) Percent Removal 10.00 10.00 10.00 42.50 ** 300.00 76 76 76 Total Hardness ( mg / l as CaCO3 ) 100.00 25.00 40.00 1,800.00 200.00 Percent Removal 94 ...
Página 40
... ( mg / 1 ) 1.03 0.12 1.25 3.12 2.60 Percent Removal 67 96 60 Percent Removal Phosphorus ( mg / 1 ) 7.01 3.10 3.59 ... l as CaCO3 ) 10.00 5.00 15.00 20.00 ** 295.00 Percent Removal 50 75 25 Total Hardness ( mg / l as CaCO3 ) 80.00 20.00 ...
... ( mg / 1 ) 1.03 0.12 1.25 3.12 2.60 Percent Removal 67 96 60 Percent Removal Phosphorus ( mg / 1 ) 7.01 3.10 3.59 ... l as CaCO3 ) 10.00 5.00 15.00 20.00 ** 295.00 Percent Removal 50 75 25 Total Hardness ( mg / l as CaCO3 ) 80.00 20.00 ...
Página 57
... ( mg / l ) ( mg / l ) ( mg / l ) ( mg / l ) 00 Start 11.0 27.8 140 5.6 91.0 12.3 210 4.3 163.5 14.5 170 6.2 54 94 102 164.5 ( b ) 40.7 282.0 9.3 550 3.5 121 351.0 ( c ) 7.4 260 6.6 100 424.0 11.6 220 6.0 96 471.0 4.8 400 6.3 192 517.1 ...
... ( mg / l ) ( mg / l ) ( mg / l ) ( mg / l ) 00 Start 11.0 27.8 140 5.6 91.0 12.3 210 4.3 163.5 14.5 170 6.2 54 94 102 164.5 ( b ) 40.7 282.0 9.3 550 3.5 121 351.0 ( c ) 7.4 260 6.6 100 424.0 11.6 220 6.0 96 471.0 4.8 400 6.3 192 517.1 ...
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Section Page | 1 |
MEMBRANE PREPARATION | 7 |
LABORATORY TEST RESULTS | 13 |
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30 minutes Adjusted to 77°F available cellulose acetate carbon treated secondary CARBON-TREATED SECONDARY EFFLUENT cellulose acetate membrane chemical oxygen demand Chloride commercially available cellulose concentrated primary effluent concentrated primary feed CONSTITUENTS DURING OPERATION enzyme-active laundry presoak feed tank filter Flushed for 30 in-situ regenerable membrane initial levels laundry presoak solution McDonnell Douglas Corporation membrane cleaning MEMBRANE COEFFICIENT membrane reverse osmosis MEMBRANE SET 2a membrane surface membranes on carbon-treated MEMBRANES OPERATED modified cellulose acetate OPERATED ON CARBON-TREATED Operated on Primary Percent Removal PERFORMANCE OF MEMBRANE Performance of Tubular pH 9 prepared from transesterified Primary and Concentrated primary effluent feed product water flux pump regenerable membrane reverse REGENERABLE UNIT REMOVAL OF WASTEWATER Removal Removal reverse osmosis unit salt removal SET 2a OPERATED sponge ball sulfuric acid Table test results test unit Total Solids treated secondary effluent Tubular Membrane Set tubular membranes prepared tubular units urea Wastewater Constituents water flux decline