Catalytic Cracking Unit

{
  "id": "MLC-T-ENV-004329",
  "term": "Catalytic Cracking Unit",
  "field": "Environment",
  "definition": "Refinery process unit in which petroleum derivatives are continuously charged; hydrocarbon molecules in the presence of a catalyst suspended in a fluidized bed are fractured into smaller molecules, or react with a contact material suspended in a fluidized bed to improve feedstock quality for additional processing; and the catalyst or contact material is continuously regenerated by burning off coke and other deposits. The unit includes, but is not limited to, the riser, reactor, regenerator, air blowers, spent catalyst or contact material stripper, catalyst or contact material recovery equipment, and regenerator equipment for controlling air pollutant emissions and equipment used for heat recovery. [40 CFR 63.1579 (CFR 2013)]",
  "references": [
    "40 CFR 98.6 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/catalytic-cracking-unit/"
}