Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1997-04-10
1998-12-01
Fortuna, Ana
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210651, 210650, B01D 100
Patent
active
058433180
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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Sharifian Hossein
Shay Christopher D.
Fortuna Ana
Sachem, Inc.
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