Selective separation of thiocyanate ions from a scrubbing medium

Details Selective separation of thiocyanate ions from a scrubbing medium Selective separation of thiocyanate ions from a scrubbing medium

1989-11-17

1991-03-12

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210669, 210670, 210683, B01J 4104

Patent

active

049991132

ABSTRACT:
A process is provided for the selective removal of thiocyanate ions from a vanadium-containing loaded scrubbing solution used for oxidative hydrogen sulfide scrubbing. The thiocyanate ions are removed by means of an ion exchanger making reuse of the scrubbing solution possible. In this process, the ion exchanger can be loaded until the inlet and outlet concentrations of the thiocyanate ions are substantially the same.

REFERENCES:
patent: 4708804 (1987-11-01), Coltrinari
CA 74088h, vol. 80 (1974).
CA 144484b, vol. 82 (1975).

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