Treatment of contaminated Stretford solution

Details Treatment of contaminated Stretford solution Treatment of contaminated Stretford solution

1984-12-24

1986-02-25

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210674, 210684, B01J 4100

Patent

active

045727880

ABSTRACT:
A side-stream portion of a Stretford Process solution is taken from the main-stream in order to reduce the amount of deleterious side-products in the solution and the ADA values and vanadium values are salvaged from the side-stream by taking up the ADA values on activated charcoal and the vanadium values in an anion exchange resin. The ADA and vanadium values are recovered for re-cycling back to the Stretford Process.

REFERENCES:
patent: 2873170 (1959-02-01), Hyde et al.
patent: 2954276 (1960-09-01), Hazen
patent: 3553126 (1971-01-01), Oberhofer

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