Sulfur Recovery Unit

{
  "id": "MLC-T-ENV-027239",
  "term": "Sulfur Recovery Unit",
  "field": "Environment",
  "definition": "1. Process device that recovers element sulfur from acid gas.\n\n2. Process unit that recovers elemental sulfur from gases that contain reduced sulfur compounds and other pollutants, usually by a vapor-phase catalytic reaction of sulfur dioxide and hydrogen sulfide. This definition does not include a unit where the modified reaction is carried out in a water solution which contains a metal ion capable of oxidizing the sulfide ion to sulfur, e.g., the LO-CAT II process.",
  "references": [
    "40 CFR 60.641 (CFR 2013)",
    "40 CFR 63.1579 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/sulfur-recovery-unit/"
}