Methods of purifying hydroxlamine solutions and separating hydroxylamine from hydroxlamine salts
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United States of America Patent
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Dec 1, 1998
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N/A
app pub date -
Apr 10, 1997
filing date -
Apr 10, 1997
priority date (Note) -
Expired
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Abstract
The present invention provides a method of purifying a hydroxylamine solution containing impurities, including contacting the hydroxylamine solution with a semipermeable membrane under pressure so that at least a portion of the hydroxylamine solution passes through the membrane; and recovering the portion of the hydroxylamine solution which passed through the membrane.
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