The increasing role of direct reduced iron in global ...

process (internal or domestic scrap) The increasing role of direct reduced iron in global steelmaking by F. Grobler* and R.C.A. Minnitt† Synopsis Direct reduced iron (DRI), produced by the reaction between iron ore and reducing gasses, is used as a source of low-residual iron, in addition to ferrous scrap and pig iron, in the production of steel

Direct reduced iron - Wikipedia

The direct reduction process uses pelletized iron ore or natural "lump" ore. One exception is the fluidized bed process which requires sized iron ore particles. The direct reduction process can use natural gas contaminated with inert gases, avoiding the need to remove these gases for other use.

Midrex | Direct Reduction Ironmaking Technologies | MIDREX

It is this continual improvement that made the MIDREX ® Process the world's leading technology for the direct reduction of iron ore. For more than two decades, MIDREX ® Plants have produced 60 percent or more of the world's DRI each year and we continue to develop some of the industry's most efficient and successful technologies.

Midrex© Process | Industrial Efficiency Technology & Measures

Midrex is direct reduction process using a shaft-reactor and is developed by Midrex/Kobe Steel. Iron ore pellets, lump iron ore or a combination of pellets and ore are reduced in a vertical shaft or reduction furnace to metallic iron by means of a reduction gas. The reducing gas is produced from a mixture of natural gas and recycled gas from the reduction furnace.

Resources Trend and Use of Direct Reduced Iron in ...

Resources Trend and Use of Direct Reduced Iron in Steelmaking Process Dr. Hidetoshi TANAKA *1 *1 Technology & process Engineering Dept., Iron Unit Div., Engineering Business Expectations are rising for new ironmaking processes that can utilize a wide variety of materials and fuels and also are environmentally friendly. The direct reduction (DR)

Direct Reduced Iron and its Production Processes – IspatGuru

Mar 16, 2013· DR process, DRI, HBI, Iron making. Metallization, reformed natural gas, residual elements, Rotary kiln, Direct reduced iron (DRI) is technically defined as iron ore which has been reduced to metal without melting it. Hot briquetted iron (HBI) is a densified form of DRI to facilitate its handling and transport. History

GASIFICATION AND THE MIDREX? DIRECT REDUCTION …

DIRECT REDUCTION PROCESS By: Rob Cheeley – Senior Sales Engineer, Midrex Direct Reduction Corporation INTRODUCTION The production of direct reduced iron (DRI), a basic raw material for making steel, is concentrated in a few countries in the Middle East and Latin America.

Midrex Process for Direct Reduction of Iron Ore – IspatGuru

Apr 09, 2017· Midrex Process for Direct Reduction of Iron Ore. Midrex is an ironmaking process, developed for the production of direct reduced iron (DRI). It is a gas-based shaft furnace process is a solid state reduction process which reduces iron ore pellets or lump ore into DRI without their melting using reducing gas generally formed from natural gas.

Direct Reduced Iron (DRI) - Cargo Handbook - the world's ...

Direct-reduced iron (DRI), also called sponge iron, is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal. The reducing gas is a mixture majority of hydrogen (H2) and carbon monoxide (CO) which acts as reducing agent.

Direct Reduced Iron (DRI) - UK P&I

Direct Reduced Iron (DRI) The world market for steel is expected to continue to increase. The volume of steel produced by the, now old-fashioned, blast furnace process is already very low and will continue to decline relative to the volume of steel produced by the electric arc process, for which DRI is the raw material. The world production

The HBI direct reduction process - voestalpine

Nov 03, 2016· The direct reduction process. HBI is the product of reducing iron ore with natural gas. This is called the direct reduction process and is an environmentally-friendly production process; a DRI plant uses natural gas which is more environmentally sound than coke. The reduction process takes place in the reduction tower.

What is DIRECTLY-REDUCED IRON? What does ... - YouTube

Oct 12, 2017· Direct-reduced iron has about the same iron content as pig iron, typically 90–94% total iron (depending on the quality of the raw ore) as opposed to about 93% for molten pig iron, so it is an ...

Direct reduced iron process - tec-science

Direct reduced iron (DRI) process. In addition to the process route via the blast furnace process, there is another option for extracting crude steel from iron ores using the so-called direct reduced iron (DRI) process (secondary route).The starting point for the efforts to find an alternative to the blast furnace process was the relatively high process expenditure.

Midrex® the world's leading direct-reduced iron production ...

Nov 05, 2015· Midrex is an innovative ironmaking process, developed for the production of direct-reduced iron (DRI) from iron ores and primarily natural gas. Do you want to learn more about Primetals ...

Direct Reduced Iron (DRI) Production Plant - ECCJ

Direct Reduced Iron (DRI) Production Plant NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD. Basic Concept or Summary S-16 A direct reduced iron (DRI) production plant is a shaft reduction furnace to produce DRI with large metal iron content by directly reducing iron ore (or iron ore pellets) with reducing gases.

(PDF) i) Direct Reduced Iron: Production - ResearchGate

i) Direct Reduced Iron: Production ... This product is known as direct reduced iron (DRI) or sponge iron. ... then decreased during the reduction process owing to the diminishing of iron oxide ...

Direct Reduced Iron - Platts

Direct Reduced Iron (DRI) is created by heating iron ore in a steel shaft with natural gas, below the ... new and formed in the process currently in use at STLD's Mesabi Nugget. The process

About HBI Product Specifications & its uses,Direct Reduced ...

Direct Reduced Iron (DRI)The product of DR Plant, HBI, is increasingly used as a substitute of scrap, Pig Iron, DRI and other such ferrous raw materials. Uses of HBI. Hot Briquetted Iron (HBI) is a premium steelmaking raw material that contains more than 90% total iron (Fe) in a nearly pure form that is used in Blast Furnace (BF), the Basic Oxygen steelmaking converter (BOF or BOS), and the ...

Direct Reduced Iron Price, Wholesale & Suppliers - Alibaba

Looking for affordable direct reduced iron price? 217 low price direct reduced iron products from 72 trustworthy direct reduced iron suppliers on Alibaba.com. Reach out to suppliers directly and ask for the lowest price, discount, and small shipping fees.

Direct-Reduced Iron Process (DRI) | NIPPON STEEL ENGINEERING

NIPPON STEEL ENGINEERING CO., LTD. provides new iron source technology that enables the achievement of productivity improvements, operational cost reductions, CO 2 emissions reductions, and capital investment reductions through the optimal combination of Tenova HYL and Danieli's natural gas-based direct-reduced iron technology (ENERGIRON) with our blast furnace equipment technology …

Iron processing | Britannica.com

Direct reduction, in which iron ores are reduced at temperatures below the metal's melting point, had its origin in such experiments as the Wiberg-Soderfors process introduced in Sweden in 1952 and the HyL process introduced in Mexico in 1957. Few of these techniques survived, and those that did were extensively modified.

Direct Reduced Iron (DRI) | International Iron Metallics ...

19 · Direct Reduced Iron (DRI), also known as Sponge Iron, offers an alternative steel production …

Cost Effectiveness Analysis of HYL and Midrex DRI ...

Cost Effectiveness Analysis of HYL and Midrex DRI Technologies for the Iron and Steel-Making Industry By ... Midrex is a process by which iron ore pellets, lump iron ore or a combination of both is reduced in a vertical ... This forms the direct reduced iron (DRI) which is typically composed of 90 to 94% iron. After the DRI exits

Direct reduced iron final.ppt - SlideShare

Jul 15, 2015· Direct reduced iron final.ppt 1. International Corporation 2. History Established as Corporation (1967) Became member company of POSCO Group (2010) Major Business International Trading Project Organizing Natural Resource Development Manufacturing : Textile, Cement, Steel Processing etc Global Network Total : 95 - Asia 46, Middle East 7, Africa 12, Europe 9 CIS 8, …

What is direct reduced iron (DRI)? definition and meaning ...

direct reduced iron (DRI): Alternative iron source produced by heating an iron ore (generally having 65 to 70 percent iron) at a temperature high enough to burn off its carbon and oxygen content (a process called reduction) but below iron's melting point(1535°C or 2795°F). The output is sold as pellets or briquettes (called hot briquetted iron ...

DRI production | International Iron Metallics Association

DRI production; Direct reduction of iron is the removal of oxygen from iron ore or other iron bearing materials in the solid state, i.e. without melting, as in the blast furnace. The reducing agents are carbon monoxide and hydrogen, coming from reformed natural gas, syngas or coal. ... Midrex® direct reduction process flowsheet.

(PDF) Use of DRI/HBI in ironmaking and steelmaking furnaces

Use of DRI/HBI in ironmaking and steelmaking furnaces. ... The direct-reduced iron (DRI), due to its operative flexibility, is a suitable element to achieve this target. ... metallur gical process ...

Green Steel: Coupling Steel with Methanol Production ...

Sep 29, 2018· In three additional scenarios, the authors compare their findings to the manufacture of steel by employing alternative iron ore reduction processes, namely, a natural gas-based "direct reduced iron" (DRI) process and a similar process based on hydrogen gas.