Selective separation of thiocyanate ions from a scrubbing medium
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United States of America Patent
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-
Mar 12, 1991
Issued Date -
N/A
app pub date -
Nov 17, 1989
filing date -
Jun 24, 1988
priority date (Note) -
Expired
status (Latency Note)
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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.
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