METHOD FOR PRODUCING ULTRA-PURE AQUEOUS HYDROGEN PEROXIDE SOLUTION
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United States of America Patent
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Issued Date -
Jun 14, 2012
app pub date -
Dec 30, 2010
filing date -
Dec 8, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention provides a method for continuous production of ultra-pure aqueous hydrogen peroxide solution. Industrial grade aqueous hydrogen peroxide solution as raw material is pretreated by macroporous adsorption resin, and then is brought into contact with a cation exchange resin, anion exchange resin to the first ion exchange. Then the material is brought into contact with multi-stage mixed cation and anion exchange resin columns, and is filtered by ultrafilter to obtain ultra-pure aqueous hydrogen peroxide solution. The method provided by the present invention has high security, simple operation, stable quality of product, and is suitable for continuously produce on a large scale.
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