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TIXOTON (Ca-bentonite activated by sodium carbonate) was treated with four different organic compounds representing organic acids, bases, non-ionic polar molecules and non-polar molecules found in waste and sewage water. They were acetic acid, diethylamine, ethyleneglycol and n-heptane. The first three were used as 5% aqueous solutions, and the latter as a neat liquid. Cation exchange reactions, which...
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