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 20
... sponge flush ball , ( 2 ) enzyme - active laundry presoak ( Biz ) solutions , and , ( 3 ) urea solutions . The sponge flush ball consisted of a cellulose sponge formed into a l - in diameter ball . This ball made a tight fit in the 0 ...
... sponge flush ball , ( 2 ) enzyme - active laundry presoak ( Biz ) solutions , and , ( 3 ) urea solutions . The sponge flush ball consisted of a cellulose sponge formed into a l - in diameter ball . This ball made a tight fit in the 0 ...
Página 35
... Operated on Primary and Concentrated Primary Effluent ( 600 psig ) BIZ BIZ BIZ COMPLETE ANALYSIS BIZ UREA UREA BIZ BIZ COMPLETE ANALYSIS ONCE THROUGH BIZ & SPONGE , BALL RECYCLE 11.6 MEMBRANE COEFFICIENT μgm ( SQCM ) ( SEC ) 35.
... Operated on Primary and Concentrated Primary Effluent ( 600 psig ) BIZ BIZ BIZ COMPLETE ANALYSIS BIZ UREA UREA BIZ BIZ COMPLETE ANALYSIS ONCE THROUGH BIZ & SPONGE , BALL RECYCLE 11.6 MEMBRANE COEFFICIENT μgm ( SQCM ) ( SEC ) 35.
Página 36
... sponge flush ball , ( 2 ) enzyme - active laundry presoak ( Biz ) solutions and ( 3 ) urea solutions . Initially the sponge flush ball was used , but it would occasionally tear a membrane . The flux recovery after cleaning with the ...
... sponge flush ball , ( 2 ) enzyme - active laundry presoak ( Biz ) solutions and ( 3 ) urea solutions . Initially the sponge flush ball was used , but it would occasionally tear a membrane . The flux recovery after cleaning with the ...
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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 gfd(a 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 mg/l as CaCO3 modified cellulose acetate OPERATED ON CARBON-TREATED Operated on Primary Percent Percent Percent Removal PERFORMANCE OF MEMBRANE Performance of Tubular prepared from transesterified Primary and Concentrated primary effluent feed product water flux pump regenerable membrane reverse REGENERABLE UNIT REMOVAL OF WASTEWATER reverse osmosis unit salt removal SET 2a OPERATED sponge ball sulfuric acid test results test unit treated secondary effluent Tubular Membrane Set tubular membranes prepared tubular units urea Wastewater Constituents water flux decline