High purity alkali metal chlorite and method of manufacture
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United States of America Patent
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Jun 26, 2001
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N/A
app pub date -
Jun 8, 1999
filing date -
Jun 9, 1998
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Abstract
Alkali metal chlorite, particularly sodium chlorite, is produced with a low carbonate level by combining a chlorine dioxide generating system operating at subatmospheric pressure with a chlorite formation reactor in which the chlorine dioxide reacts with hydrogen peroxide in the presence of aqueous alkali metal hydroxide, particularly sodium hydroxide.
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