Methods of removing undesired ions from aqueous solutions
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United States of America Patent
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Oct 27, 1992
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N/A
app pub date -
Jul 11, 1991
filing date -
Jul 11, 1991
priority date (Note) -
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Abstract
A method of removing undesired ions, such as chlorine, hypochlorite, chromium, cyanide and heavy metal ions, from an aqueous preparation containing one or more of said ions consists of adding to the aqueous preparation an effective amount of magnesium bisulfite to inactivate the undesired ions and then adjusting the pH of the mixture to an appropriate pH. Compositions containing magnesium bisulfite and divalent and trivalent ions are disclosed.
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