Refining

{
  "id": "MLC-T-ENV-023528",
  "term": "Refining",
  "field": "Environment",
  "definition": "1. A high temperature process in which impure metal is reacted with flux to reduce the impurities. The metal is collected in a molten layer and the impurities in a slag layer. Refining results in the production of a marketable material.\n\n2. Phase of the steel production cycle during which undesirable elements are removed from the molten steel and alloys are added to reach the final metal chemistry.[40 CRF 60.271a (CFR 2013)] [40 CFR 60.271a (CFR 2024)]",
  "references": [
    "EPA Abandoned Mite Site Characterization and Cleanup Handbook; Appendix A: Acronym List and Glossary of Mining Terms at http://www.epa.gov/superfund/policy/remedy/pdfs/appendix.pdf",
    "40 CFR 60.271b (CFR 2024)"
  ],
  "url": "https://mlchart.com/terminology/environment/refining/"
}