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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... Figure 3. Figure 4 shows the tube bundle and pressure shell . * The 1 / 4 - inch tubes were sealed into a header section with epoxy . This header section , shown as the base of the tube bundle in Figure 4 , was subsequently attached to ...
... Figure 3. Figure 4 shows the tube bundle and pressure shell . * The 1 / 4 - inch tubes were sealed into a header section with epoxy . This header section , shown as the base of the tube bundle in Figure 4 , was subsequently attached to ...
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... Figure 10. Although flux and salt rejection were somewhat lower , the flux decline coeffi- cients , k and m , were also lower . The detailed data for Table I and Figures 9 and 10 are tabulated in Appendix B. Near the completion of the ...
... Figure 10. Although flux and salt rejection were somewhat lower , the flux decline coeffi- cients , k and m , were also lower . The detailed data for Table I and Figures 9 and 10 are tabulated in Appendix B. Near the completion of the ...
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... Figure 11 for tubular membrane set la , Figure 12 for tubular membrane set 2a and Figure 13 for tubular membrane set 3a . The product water flux declined slowly during the first half of the test ( Stage I ) period from an initial value ...
... Figure 11 for tubular membrane set la , Figure 12 for tubular membrane set 2a and Figure 13 for tubular membrane set 3a . The product water flux declined slowly during the first half of the test ( Stage I ) period from an initial value ...
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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