Hydroxylamine purification via ion exclusion

Details Hydroxylamine purification via ion exclusion Hydroxylamine purification via ion exclusion

1977-10-28

1979-04-03

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 37R, 210 38R, 423387, B01D 1504

Patent

active

041476239

ABSTRACT:
A process for separating hydroxylamine from an aqueous solution thereof also containing salts of cations whose corresponding free bases have base dissociation constants greater than 10.sup.-7. Said solution is brought to a pH of 6-11 and is passed through a bed of strongly ionic exchange resin loaded with compensating ions whereby hydroxylamine is retained in the gel volume of the resin bed and the ions in solution are substantially excluded from the resin. The ionic salts accordingly move faster through the bed and predominate in a first effluent fraction and the hydroxylamine appears predominantly in a later effluent fraction. Hydroxylammonium salts can be crystallized from the effluent hydroxylamine solution after addition of a stoichiometric amount of an appropriate acid.

REFERENCES:
patent: 2684331 (1954-07-01), Bauman
patent: 2771193 (1956-11-01), Simpson et al.
patent: 3105741 (1963-10-01), Moore et al.
patent: 3695834 (1972-10-01), Wheelwright

Affiliated with

Also associated with

Rating

Hydroxylamine purification via ion exclusion does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hydroxylamine purification via ion exclusion, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydroxylamine purification via ion exclusion will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1745634