dri bf eaf steel production process

Potential for CO2 emissions reduction in MIDREX direct ...

2 Contents 1. World DRI Production 2. Gas-based DRI Production Technology (MIDREX Process) 3. CO2 emissions reduction in EAF 4. CO2 emissions reduction in BF

Iron ore and DRI – An old and new conference topic

prices, scrap shortages, growing steel demand, EAF production and environmental benefits. He noted the role of shale gas discoveries and other factors promoting DRI growth globally such as EAF growth and technology trends, predicting global growth of EAF production by 360Mt by 2030. He presented an interesting scorecard of fac-tors promoting competitiveness of each steel-making route: BF/BOF ...

FUTURE INVESTMENT PROJECTS IN THE GLOBAL STEEL …

dsti/su/sc(2014)16/final 4 future investment projects in the global steel industry and implications for the balance of steelmaking processes 1.

Direct Reduced Iron | Industrial Efficiency Technology ...

Direct Reduced Iron (DRI), also known as Sponge Iron, offers an alternative steel production route to BF-BOF and Scrap-EAF routes. In DRI, iron ore is reduced in its solid state – unlike BF process where a liquid metal is formed during reduction.

Assessment of hydrogen direct reduction for fossil-free ...

In the latter, the basic concept is to use a hydrogen direct reduction (H-DR) process to produce direct reduced iron (DRI) which is then converted to steel in an electric arc furnace (EAF). There is so far very little information on the hydrogen direct reduction (H-DR) process in the scientific literature.

FACT SHEET Energy use in the steel industry

Steel made in an EAF uses electricity to melt recycled steel. Depending on the plant configuration and availability of recycled steel, other sources of metallic iron such as direct-reduced iron (DRI) or hot

The Future of Steel - OECD.org

Coal DRI/EAF 2% Share of production Share of energy consumption Share of CO 2 emissions* OECD accounts for 33% of steel production but only ...

High-Carbon DRI: the feeding material to improve ...

High-Carbon DRI: the feeding material to improve performances and decrease CO2 emissions in both BF and EAF Alessandro Martinis- EVP Danieli Centro Metallics

DRI Products & Applications - midrex.com

5 DRI USE IN THE EAF 9 HBI USE IN THE BF & BOF 11 PRODUCTION VALUE & FLEXIBILITY 13 ENVIRONMENTAL BENEFITS OF DIRECT REDUCTION IRONMAKING 14 EVOLUTION OF DRI PRODUCT USE 1 DRI Products & Applications CONTENTS ENVIRONMENTAL ASSURANCE Midrex Technologies, Inc. along with its parent company Kobe Steel, Ltd., recognizes the importance of …

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

Direct Reduced Iron (DRI) is the product of the direct reduction of iron ore in the solid state by carbon monoxide and hydrogen derived from natural gas or coal. See more information about the production of DRI. Most gas-based direct reduction plants are part of integrated steel mini-mills, located adjacent to the electric arc furnace (EAF) steel plant. DRI can be either hot or cold charged to ...

New Ironmaking Processes: Relevance to India - IIM

RDCIS 3 Possible Solutions: Alternatives for Ironmaking 1] Production of non-liquid Iron (DRI) – Direct Reduced Iron (DRI) has emerged as an excellent substitute for scrap for electric furnaces.

By-products and emissions in the ENERGIRON direct ...

MILLENNIUM STEEL 2017 24 By-products and emissions in the ENERGIRON direct reduction process Steel production via the DRI-EAF route produces significantly less CO2 than the integrated BF …

FACT SHEET Steel industry co-products

plants often use a mix of DRI and recycled steel feeds. On average the production of one tonne of steel results in 200 kg (EAF) to 400 kg (BF/BOF) of co-products.

Decarburization and Melting Behavior of Direct-reduced ...

Direct Reduced Iron (DRI) is a prime quality feedstock of today's Electric Arc Furnace (EAF) steelmaking. Driven by the increasing price of steel scrap and the undesired contaminants of

use of drI/HBI in ironmaking and steelmaking furnaces

to EAF and DRI technologies, BF/BOF route has two to four times higher consumption of equipment and emissions and this requires more energy, water and land consumption.

Manufacturing Process - Jindal Panther

Steel Making. State-of-the-art steel making technology using Blast Furnace(BF) + Direct-Reduced Iron(DRI) - Electric Arc Furnace(EAF) - Ladle Refining Furnace(LRF) - Continuous Casting Machine route producing clean steel billet, with very low levels of sulphur and phosphorous (less than 0.035%) and very low levels of inclusin and tramp elements.

Use of Direct Reduced Iron in Electric Arc Furnace ...

In the meantime steel making in EAFs can benefit significantly from optimizing practices, increasing further the use of chemical energy and correctly using the direct reduced iron (DRI). Historically use of DRI in EAF was for the production of high quality low residuals steels with the anticipated expense of specific energy (kWh/ton), tap to tap time and loss of yield. Current educated use of ...

Energy efficiency in steelmaking Evaluation of the ...

Annual production of DRI/HBI and hot metal in SR plants corresponds to 5.3 % of world steel production Overall energy consumption of the steelmaking routes (BF + BOF, FINEX +

© IEA ETSAP - Technology Brief I02 - May 2010 - ...

and steel production process can be subdivided into 3 sub-processes: iron-making, steel-making and steel manufacturing. All processes can be summarized as in Figure 1 [2]. A more detailed scheme and material flow can be found in Figure 9. Conventional steel production takes place in integrated steel mills that often include facilities for coking and sintering. In the basic process, the input ...

DRI Production Where are the new hubs? - metalbulletin.com

Clean steel production DRI producti on drivers The drivers of DRI production remains the same. But the access, availability and location of these drivers are undergoing transformation Shale gas discoveries 1 Fall in gas prices 2 Increasing role of EAF: US & Europe 3 Technology Improvement 4 China's scrap generation 5 . 4 01/2012 In addition to 61Mt of installed capacity, 22 Mt is being planned ...

Hot DRI/HBI Charging to EAF | Industrial Efficiency ...

In recent years the majority of captive DRI production units installed have been focused on charging of hot DRI/HBI to the EAF at temperatures in the range of 600 °C. The hot DRI charging practice utilizes the same basic reduction units as are used in cold DRI melting. However, the cooler unit at the bottom of the reactor allows material ...

The MIDREX Process - The world's most reliable and ...

furnace use (BF-grade pellets) and those used to make DRI to feed an EAF. A "DR-grade" pellet typically has higher iron A "DR-grade" pellet typically has higher iron content and less silica, alumina and other gangue constituents than "BF-grade" pellets.

Dri Eaf vs Bf Bof_route | Steelmaking | Coke (Fuel)

The economic and prudent solution for process route in mini integrated steel plant In the production of steel. BF-BOF steelmaking route contributes major stake of its total production in this world.

Remaking the global steel industry Lower-cost natural gas ...

fuel, natural gas, which has generally made DRI more expensive than iron made by the CO/BF process. Worldwide, up to 70 percent of steel is made via blast furnace–basic oxygen furnace (BF/BOF), which uses feed materials

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

On the other hand, the use of direct reduced iron (DRI) is regarded as a feedstock of the BF. The DRI is considered to be produced mainly by hydrogen. The main objective of the work at hand is the ...

DRI TECHNOLOGY: HIGH PRODUCTIVITY IRONMAKING FOR …

PROCESS BENEFITS > CONCLUSIONS ... Impact of energy market developments on the steel industry SHARE OF PRODUCTION* BF/BOF 71% Scrap/EA F 24% Gas DRI/EAF 4% Coal DRI/EAF 1% 40% 60% 80% 120% BF/BOF Gas DRI/EAF ENERGY CONS. RATE* 1 ton LIQUID STEEL 1 ton LIQUID STEEL 40% 60% 80% 120% BF/BOF Gas DRI/EAF CO 2 EMISSION RATE* …

Steelmaking - Wikipedia

Steelmaking is the process for producing steel from iron ore and scrap. In steelmaking, impurities such as nitrogen, silicon, phosphorus, sulfur and excess carbon are removed from the raw iron, and alloying elements such as manganese, nickel, chromium and vanadium are added to produce different grades of steel.

STEEL MAKING: DRI ROUTE - VIABLE OPTION

Forward integration by setting up its integrated steel manufacturing facility of 1.5 Mn Tonne at Raigarh. Upon completion ( March'11), through BF/DRI-EAF route will add high-