banner-1 Hon. Minister of Steel Sh. Narendra Singh Tomar
माननीय इस्पात मंत्री, श्री नरेंद्र सिंह तोमर
banner-1 Hon. Prime Minister of India
भारत के माननीय प्रधानमंत्री जी
banner-1 Hon. Minister of State for Steel Sh. Vishnu Deo Sai
माननीय राज्य इस्पात मंत्री, श्री विष्णु देव साई

COREX Process

COREX: Process Features

  • Developed by Siemens VAI
  • Commercially most successful amongst SR Technologies
  • Commercial units in operation
  • Korea: POSCO (COREX C-2000 – Capacity: 0.8 Mtpa)
  • India: JSW Steel, India (2 Units) (COREX C-2000)
  • South Africa: Mittal-SALDANHA, (COREX C-2000)
  • China: Baosteel, (COREX C-3000) – Capacity 1.5 mtpa

Experience of COREX at JSW

  • Total fuel rate requirement = 950 kg/thm. Out of which ~200 kg coke is required.
  • All the non-coking coal is imported. NCC of very high VM or very low FC cannot be used.
  • 100% pellets are charged.
  • Oxygen requirement = 550 Nm3/thm (very high!)
  • Corex HM ~ BF HM:
  • Typical HM Composition: C~ 4%, Si=0.5-0.9%, S=0.025-
    0.07%, P=0.13-0.19%, temp= 1480-1515C