COREX PROCESS in IRONMAKING

COREX process for pig iron production is a commercially proven process, and is currently considered as the main competent to blast furnace for pig iron production. COREX process consists of two reactors; the …

Factors affecting fuel rate in Corex process

COREX process for pig iron production is a commercially proven process, and is currently considered as the main competent to blast furnace for pig iron production.

Energy analysis of a blast-furnace system operating with the Corex …

The Corex process is a more environmental-friendly method of pig iron production than the blast-furnace process. Additionally, this technology is accompanied by production of a fuel gas with a LHV … Expand

COREX Process

COREX is one of the methods used for production of hot metal from iron ore. It is a coal-based process.[1] The method was developed by Primetals as a more environmentally friendly alternative to the blast furnace.[2][3] A corex process eliminates the need to prepare iron ore and coal, and can be used fairly directly in a smelting reduction process.

COREX EFFICIENT AND ENVIRONMENTALLY FRIENDLY …

The Corex process combines coking plant, sinter plant and blast furnace into a single iron making unit. ADVANTAGES OF COREX. Product quality – hot metal quality suitable for all steel applications. Economic benefit – low investment and operational costs due to the …

Iron processing

Iron processing - Smelting, Refining, Alloying: The primary objective of iron making is to release iron from chemical combination with oxygen, and, since the blast furnace is much the most efficient process, it receives the most attention here. Alternative methods known as direct reduction are used in over a score of countries, but less than 5 percent of iron …

Direct Reduction Process

The product is liquid pig iron, which can be treated and refined in the same way as hot metal from the blast furnace. Today, only one variant of SR is commercially proven (COREX), but a number of variants are in an advanced stage of development. ... The COREX process is a two-stage process, as is shown in Figure 1.1.40. In the first step, …

(PDF) COREX PROCESS in IRONMAKING

COREX process for pig iron production is a commercially proven process, and is currently considered as the main competent to blast furnace for pig iron production. COREX process consists of two …

THE DIRECT PRODUCTION OF IRON AND

Midrex complex at this location uses export gas from the COREX module in the Midrex module after it has been cleaned of CO 2. The annual capacity of the complex in terms of pig iron and SI is 650,000 tons and 800,000 tons, respectively. Countries Steel, million tons Pig iron, million tons DRI, million tons Pig iron + DRI, million tons

SMELTING REDUCTION:AN ALTERNATIVE TO PIG IRON …

This document summarizes several alternative iron making technologies to the traditional blast furnace process, including direct reduction processes like FINEX and HIsmelt, and smelting reduction processes like Corex and Ausmelt.

(PDF) Development of Smelting Reduction Ironmaking Process …

that COREX process could produce products wit h similar quali ty to ... The current development of coal-based smelting reduction iron making process is introduced with main features of 10 smelting ...

Alternative emerging ironmaking technologies for energy …

The COREX process is a two-stage direct smelting process, consisting of: (1) a melter-gasifier, which melts the DRI and gasifies the coal; and (2) a DRI shaft furnace mounted above melter-gasifier, which reduces lump ore or pellets to DRI by reducing gas from the melter-gasifier. ... Asmet. new pig iron process tecnored technology tested by ...

Smelting Reduction Ironmaking | SpringerLink

COREX Process. The COREX process, originally called KR process, was codeveloped by the German Korf and Austrian VAI in the late 1970s, which aimed to …

Optimum Process Conditions for the Production of Pig Iron …

Among the newly developed smelting reduction processes, COREX process is nearly the only competent to the blast furnace in the field of pig iron production. In COREX …

ISIJ Int. 52(12): 2186-2193 (2012)

COREX is the world's first and the only com-mercially established smelting-reduction process, as an alternative route to blast furnace, based mainly on non-coking coal. It is …

Smelting Vanadium–Titanium Magnetite by COREX Process …

The slag ing caused by Ti(C,N) is the main limitation of smelting vanadium–titanium magnetite by blast furnace. COREX, with unique pure oxygen injection that avoids the formation of Ti(C,N), has a huge potential advantage for the smelting of vanadium–titanium magnetite. In the present study, the detailed characterization was …

Production of Iron in the Blast Furnace | SpringerLink

The smelting reduction in the blast furnace is the most important option to produce the pig iron (raw material for the production of steel), although the Corex …

Smelting Reduction Processes

Operating experiences with Corex and blast furnace at …

COREX process for pig iron production is a commercially proven process, and is currently considered as the main competent to blast furnace for pig iron production.

Cleaner Iron Production with Corex Process

Cleaner Iron Production with Corex Process. A special manufacturing process is making the production of iron much more environmentally friendly. The outstanding feature of the "Corex process" is that it uses conventional coal instead of coking coal, the customary ingredient.

Numerical Modelling of the Moving Bed Inside the COREX …

The COREX®-process is the first commercially operating smelting reduction process for the production of pig iron. For this reason, it can be seen as an alternative to the common industrial iron-making route via the blast furnace. For both, the COREX® melter-gasifier (MG) and the blast furnace, good gas-solid contact is essential …

Corex Process for Production of Iron – IspatGuru

Corex Process for Production of Iron. During the late twentieth century, several new initiatives have been taken for the development of the smelting reduction technology which can become …

The blast-furnace process – is there any alternative?

The predictions made in the 1990s that the pig iron produced in the Corex, Finex, DIOS, and other steelmaking processes would account for 15% of all pig-iron output by 2010 turned out to be wrong [2, 3]. In actuality, the percentage of pig iron obtained by these technologies in 2010 was barely more than 0.6%.

Energy analysis of a blast-furnace system operating with the Corex

The Corex process is a more environmental-friendly method of pig iron production than the blast-furnace process. Additionally, this technology is accompanied by production of a fuel gas with a LHV ...

Smelting Reduction Processes | SpringerLink

The Corex process differs from the conventional blast furnace route in that non-coking coal can be directly used for iron ore reduction and smelting process, eliminating the need for coke oven plants.

Smelting reduction process

Smelting reduction processes are used to reduce iron ore to produce pig iron. The process combines coal gasification with melt reduction of iron ore, eliminating the need for coke production and ore preparation, thereby lowering energy requirement in comparison to a Blast furnace.[1][2]

The Introduction of COREX Process Development

Request PDF | The Introduction of COREX Process Development | The background and history of COREX smelting reduction was introduced. ... In other countries, pig-iron and high carbon FeMn (HCFeMn ...

Recent status of fluidized bed technologies for producing iron …

Three types of iron input materials for both processes are liquid hot metal or in solidified form as pig iron, direct reduced iron (DRI) and hot briquetted iron (HBI) as well as steel scrap. Hot metal, pig iron, DRI and HBI are iron materials, which have to be produced from iron ore by the so-called ironmaking technologies.

Metals | Free Full-Text | Energy Consumption and CO2 …

This process bypasses cokemaking and requires less charge preparation, but usually needs a pre-reduction step. COREX, FINEX, and HISMELT are major examples. The more fully commercialized COREX and FINEX may be considered as processes that separate the shaft and the lower smelting sections of a blast furnace . Pre-reduction of iron ore is first ...

Energy analysis of a blast-furnace system operating with the Corex

From a wider point of view, an additional production of pig iron as the Corex process replaces the pig iron produced in other blast furnaces, which results in further decrease in CO 2 emission. There are many possibilities of utilizing both Corex and blast-furnace gases inside the integrated system consisting of Corex installation, blast ...