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- W2068595557 abstract "Abstract Dynamic formation of Polyacrylamide membranes on a Millipore filter in the reverse osmosis was optimised concerning rejection of a standard NaCl water solution. Optimised membranes were tested under 70 bars with selected salts in single-solute water solutions. Exclusion of salts with alcali cations depend on the kind of anion and is in the order SO 2- 4 > F - > HCO - 3 > Cl - > NO - 3 > J - . Rejection of salts with alkaline earth cations is generally lower than corresponding salts with alcali cations. Especially concentration dependence of rejection of SO 2- 4 and NO - 3 through these membranes was tested using different cations. Remarkable is the relatively high rejection of Na 2 SO 4 , which is 93,6% for a 5 g/l water solution under a flux of 820 l/m 2 · d. Dynamic PAA membranes are not useful for sea water desalination but they could be used for treatment of water with higher SO 2- 4 content." @default.
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- W2068595557 date "1980-01-01" @default.
- W2068595557 modified "2023-10-02" @default.
- W2068595557 title "Dynamic polyacrylamide membranes in the reverse osmosis" @default.
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- W2068595557 doi "https://doi.org/10.1016/s0011-9164(00)86005-1" @default.
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