Company Brochures

Midrex Research & Development Brochure

Midrex R&D is guided by the following objectives:

• Maximize long-term return on investment of company’s products and services
• Make optimum use of the available human and physical resources
• Maintain a balanced R&D portfolio (between basic, applied and developmental)
• Foster a favorable climate for creativity and innovation 

Midrex has built its business on a “renewable technology” concept, a self-sustaining cycle that blends science, engineering and real world experience to constantly renew and improve technologically sound processes and systems. The MIDREX® Technology Cycle is powered by the spirit of innovation that is centered on the Midrex Research & Development Technology Center, located in Pineville, North Carolina, USA.

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MIDREX® Process Brochure

Over the past four decades Midrex Technologies, Inc. has risen to meet the industry’s need by supplying and continually innovating the world’s most reliable and productive Direct Reduction Technology: The MIDREX® Process. The MIDREX® Process is unsurpassed in the Direct Reduction industry in terms of production and process flexibility to meet the constantly evolving nature of steelmakers and ore-based metallics providers.

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Building DRI Plants - Project Development, Execution & Continued Operational Support

DRI Technology is our Business. Through our in-house capabilities as well as strategic partners, Midrex can help with all aspects of project development from contracting to commissioning.  It takes innovation, insight and a passion for excellence to harness the potential of DRI technology. It also takes experience, expertise and pride in providing DRI solutions to successfully deliver a project on time and on spec, while continuing to support it and its operators for years after.

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MIDREX NG™

MIDREX NG™, the natural gas-based configuration of the MIDREX® Process, is the most widely-used technology for the production of all forms of direct reduced iron (DRI) products. Each year, MIDREX® Plants produce more than 60% of the entire world’s DRI and more than 80% of the DRI produced by all shaft furnace technologies.

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MXCOL®

Syngas, or synthesis gas, is a gas mixture consisting of hydrogen, carbon monoxide and carbon dioxide resulting from the gasification of a carbon-containing fuel. Midrex commercially offers technology utilizing syngas derived from natural gas and coal sources. These technologies include: MXCOL® , COREX® / MXCOL® and the new MIDREX® Thermal Reactor System™ (TRS® ). MXCOL® can use reducing gas from several sources of syngas: commercial gasifiers using a variety of low cost fuels, export gas from the coal-based COREX® Hot Metal Process by Siemens VAI Metals Technologies GmbH, and the innovative MIDREX® Thermal Reactor System™ (TRS® ).

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DRI Products & Applications Brochure

Over the past several decades, DRI production and products have evolved to meet growing steelmaking needs. As EAF steelmaking increases, DRI with its high metallic iron content, adjustable carbon level and consistent chemical and physical characteristics provides EAF steelmakers the broad flexibility to tailor their furnace charges to market conditions as well as giving them the ability to produce higher quality steels than would be possible with scrap alone.

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Hot Transport - HTV

MIDREX® Hot Discharge Plants can be equipped with a hot transport vessel (HTV) system to minimize temperature loss and to prevent re-oxidation of HDRI while being transferred to an EAF meltshop over distances greater than 100 meters. The vessels typically have a capacity of 45-90 metric tons and are moved to the meltshop on specially designed vehicles. They operate under inert conditions throughout the entire fill - transport - discharge cycle.

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Hot Transport - HTC

MIDREX® Hot Discharge Plants can be equipped with a hot transport conveyor (HTC) system to minimize temperature loss and to prevent re-oxidation of HDRI while being transferred to an EAF meltshop up to a distance of 200 meters. The proven hot transport conveyor supplied by Aumund Fördertechnik GmbH has been used successfully with impressive results at multiple installations. The HTC system has several advantages over a pneumatic transport system including lower investment cost, lower energy and maintenance costs- and less fines generation.

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Hot Transport - HOTLINK®

The HOTLINK® System delivers HDRI to an adjacent EAF at up to 700° C by positioning the MIDREX® Shaft Furnace just outside and above the exterior wall of the meltshop. DRI is discharged hot into a surge bin and then fed directly to the EAF with minimal heat loss. Low velocity gravity transfer keeps physical degradation of HDRI to a minimum, and there is no re-oxidation of the HDRI due to the sealed design of the HOTLINK® System. The HOTLINK® System is designed with options to produce hot briquetted iron (HBI) or cold DRI (CDRI) without stopping production when the EAF is offline.

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MIDREX® Plant Reference List

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Company Brochure

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