Minimize carbon footprint from Claus tail-gas units
02.01.2011
| Heisel, M., Linde AG , Unterschleissheim, Germany; Rameshni, M., Worley Parsons, Monrovia, California
Reevaluate emissions efficiencies on sulfur-removal operations
Keywords:
[sulfur]
[Claus]
[environment]
[sulfur removal]
[tail gas]
[refinery offgas]
There are thousands of sulfur recovery units (SRUs) worldwide converting poisonous hydrogen sulfide (H2S) into elemental sulfur (S). A typical two-stage Claus plant achieves 95%–97% recovery. In most cases, secondary tail-gas treating is required for total recoveries from 98% to 99.98%.
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