Treatment of contaminated Stretford solution

Details Treatment of contaminated Stretford solution Treatment of contaminated Stretford solution

1983-03-11

1985-05-21

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210674, 210694, B01D 1500

Patent

active

045185042

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: 3720626 (1973-03-01), Benzaria et al.
patent: 3873581 (1975-03-01), Fitzpatrick et al.
patent: 4252643 (1981-02-01), Knettig et al.
patent: 4260590 (1981-04-01), Weber

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