dressingdri bf eaf route technology

FUTURE GREEN STEELMAKING TECHNOLOGIES

The BF/BOF route uses published data for energy inputs and outputs throughout the steelmaking operation and compares data both computed by the authors and …

Impact of Hydrogen DRI on EAF Steelmaking

Electric Arc Furnace (EAF) based mini mills (MMs) produce 28% of world steel, though they account for only 8% of the CO 2 generated by the steel industry. On the other hand, conventional integrated mills (blast furnace/basic oxygen furnace [BF/BOF] route) produce 72% of world steel with a higher CO 2 generation rate (92%), as shown in TABLE II ...

Technology Assessment and Roadmapping (Deliverable 1.2)

2021-3-9 · 1 This project has received funding from the European Union under grant agreement NUMBER — 882151 — GREENSTEEL The information and views set out in this document do not necessarily reflect the official opinion of

Nippon Steel Carbon Neutral Vision 2050 Briefing (March …

2021-5-10 · A The selection of the BF switching to EAF will be decided by factors such as products, production scale, refurbishing timing of BF-related equipment, and reduction in reproduction investment. At this moment, we have no idea of the ratios of EAF, BF, and hydrogen DRI in 2030 and 2050.

KOBELCO Group''s CO 2Reduction Solution forBlast …

2021-2-16 · technology * that can significantly reduce CO. 2 emissions from blast furnace (BF) operations, combining the technologies in the engineering business and in the iron and steel business. This achievement is a result of the integrated efforts of the Kobe Steel Group (also known as the KOBELCO Group) leveraging its diverse businesses. *

INNOVATION ON DRI PRODUCTION

DRP EAF LIQUID STEEL IO DRI/HBI BF-BOF ROUTE •High single module productivity 2.5 - 5 Mtpy •High quality steel •High environmental impact (specifically high Carbon-footprint) •No flexibility in productivity SCRAP-EAF ROUTE •Low quality steel (due to metallic residuals in the scrap) •Low environmental impact •High flexibility in productivity DRP-EAF ROUTE

HYLNEWS

2017-1-27 · DR-EAF route emits 40% - 60% less CO 2 (depending on plant location due to source of power generation) as compared to the BF-BOF route. Besides GHG emissions, there are a number of by-products and pollutants that can have severe environmental impact and which require special attention, specifically for the BF-BOF route. As of 2012 (Fig. 1), the ...

PROCESSI The EAF technology evolution and the …

2016-9-27 · PROCESSI 1/2005 Memorie la metallurgia italiana 41 The EAF technology evolution and the Consteel® system P. Argenta, M. Bianchi Ferri During the past 11 years, steel production by the electric arc furnace route (EAF) has grown on a worldwide basis by 4.1%/year, while the total steel production has grown by 2.7%.

Blog Cassotis I Optimization for DR-EAF route steel …

This technology is the main alternative for the well-established Blast Furnace - Basic Oxygen Furnace (BF-BOF) route. In its favor, the DR-EAF route drastically reduces the consumption of coal and CO 2 emissions while maintaining productivity at the same pace as BF-BOF. However, regardless of the technology used, the steel produced must be ...

Pathways to decarbonisation episode two: …

As the dominant route, integrated steelmaking represents 72% of global steel production. This varies by region, with factors such as scrap availability and fuel costs playing important roles in determining BF/BOF competitiveness versus the EAF process.

Decarbonization in steel | McKinsey

2020-6-3 · In Europe, green hydrogen-based steel production is likely to become one key technology that shapes the route to decreasing emissions—this could entail first optimizing BF/BOF processes, then switching to EAF using scrap and DRI powered with natural gas or imported HBI—and ultimately adopting carbon-neutral EAF production using a mix of ...

use of drI/HBI in ironmaking and steelmaking furnaces

2016-9-27 · steelmaking technology, based on a metric t of produced steel for BF/BOF and EAF and iron for DRI. Table 1 shows, if compared 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. Moreover,

Industry

2020-5-6 · conventional EAF route 30% *compared to conventio-nal EAF route 32% *compared to BF-BOF with fossil fuels 50% *compared to BF-BOF with fossil fuels 9 on the market Fig. 1: Estimated costs of steel for selected greenfield production routes in 2018. Complementary Graphs Notes: Oxy. SR-BOF = oxygen-rich smelt reduction.

Iron and Steel Industry 2020

2020-7-6 · Oxygen Furnace" (BF-BOF) route and (2) the "Direct Reduced Iron – Electric Arc Furnace" (DRI-EAF) route. An illustration of the two steelmaking routes is provided below (Figure 1). When a blast furnace (BF) is used, the iron oxide is melted and reduced in the BF. The product is called pig iron

Decarbonization challenge for steel

2020-9-5 · DRI plus EAF using H 2 Focus of this document Make efficiency improvements to optimize BF/BOF operations Optimized BOF inputs (DRI, scrap), increased fuel injection in BF (e.g., hydrogen, PCI) Blast furnace efficiency (BOF) Technology readily available at competitive cost Technology available at high cost Maximize secondary flows and recycling by

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

to EAF an d DRI te chnologi es, BF/BO F route h as two t o four times higher consumpt ion of equipment and emissions and this requires mo re e nergy, water and land consum ption.

Coke Ovens-Sinter-BF-BOF Route | SAIL

2021-7-3 · Coke Ovens-Sinter-BF-BOF Route. The most common steel making technology is the Bf-Bof Route. Coke is used in Blast Furnace (BF) both as a reductant and as a source of thermal energy. It involves reduction of ore to liquid metal in the blast furnace and and refining in convertor to form steel. The various stages of the steel plant is described ...

CONSTEEL ® EVOLUTION: THE PROVEN TECHNOLOGY …

the traditional Blast Furnace – Oxygen Converter (BF-BOF) route or the newer Direct Reduction – Electric Arc Furnace (DR-EAF) route, is a very energy demanding process, requiring about 14.9 GJ/t [1], and this energy demand can be related to the environmental footprint of these processes, for which has been estimated a specific emission

RESEARCH & DEVELOPMENT IN IRON & STEEL SECTOR …

2020-2-28 · (EIF) route and 26% from Electric Arc Furnace (EAF) route. About 46% steel is produced through the conventional integrated route of BF-BOF route as against the world average of around 70%. The structure of the Indian Iron & Steel Sector is given below: ... and technology intervention in …

Green steel by EAF route: a sustainable value chain in the ...

2020-1-15 · the global steel production by EAF route is expected to reach, and probably overpass, 45% worldwide. This transition will most likely start from 2030 onward: when the steel production, usually market driven, will become technology and climate-neutral driven. The steel production actually works through a profound synergy

(PDF) EAF Steel making: A technically viable option for ...

Conclusion EAF steel making is technically viable for part of the current product range, however, a blended production route involving both BF/BOS and EAF may be the solution. Continuation of BF/BOS would provide access need to the higher quality sources of Iron necessary to meet customer requirements across all market sectors.

How is steel made? Difference between BF-BOF and …

2020-7-29 · Downstream process stages, such as casting, reheating and rolling, are similar to those found in the BF-BOF route. About 28.9% of steel is produced via the EAF route. Another steelmaking technology, the open hearth furnace (OHF), makes up about 0.4% of global steel production.

Low-carbon production of iron and steel: Technology ...

2021-4-21 · The current DRI-EAF route using natural gas has only 62% the carbon footprint as a traditional integrated BF-BOF route. 16 It also has a better deep decarbonization potential, given that the reduction gas is easily replaced with higher H 2 mixtures or even full hydrogen, 17 whereas BF-BOF faces greater difficulty in higher H 2 use because of ...

Rising trends of EAF steelmaking

2021-2-18 · Rising trends of EAF steelmaking. There is a clear trend that the European steel industry is changing from the BF-BOF route to EAF based steelmaking to reduce its direct and indirect CO 2 emissions. The target is to cut CO 2 emissions by 80-95% in 2050 compared to 1990 levels. This transformation causes a lot of changes in the steelmaking ...

Development of the Technology of Electric Arc …

2016-5-5 · EAF is a default phase in the process of making steel. Over years EAF has evolved dynamically and adopted efficient, competitive and sustainable methods in the process and the global output of steel from EAF is increasing. Many countries which cannot make iron by the traditional route, i.e., BF-BOF route) are adapting EAF route …

Electric arc furnace

2021-6-29 · Electric Arc Furnace (EAF) steelmaking uses steel scrap, Direct reduced iron (DRI), or a combination of these materials as the primary feedstock.While it is possible to produce 100% recycled steel, with a feedstock of only scrap steel, EAF steelmaking often uses a mixture of scrap and DRI, or even supplemental amounts of pig iron (produced in a blast furnace (BF)).

What is steel and how is steel made?

2020-3-17 · Overview of the steel production process. Steel is principally made via two routes, the last Furnace-Basic Oxygen Furnace (BF-BOF) route and the Electric Arc Furnace route (EAF) - often referred to as the ''primary'' and ''secondary'' paths. The former is used to create new or ''virgin'' steel, the latter is often used to recycle steel scrap.

The growth of EAF steelmaking

2020-4-30 · EAF steelmaking production hit a new high in 2017 with a 7.5 percent year-over-year increase. That was followed by an additional 12.3 percent increase in 2018, meaning EAFs accounted for almost 404 million metric tons (445 million short tons), or 29 percent, of the 1.8 billion metric tons (1.98 billion short tons) of steel produced globally.

1130.2 High Productivity Ironmaking for modern Steel …

BF DRP EAF LIQUID STEEL IRON ORE ... SINGLE MODULE productivity 2,5 MTPY BF‐BOF ROUTE DRP‐EAF ROUTE. ENERGIRON TECHNOLOGY AND PROCESS BENEFITS. 0.2 0.5 0.8 1.2 1.6 2.0 2.5 Energiron have the widest range of capacities, ... technology with an optimized blast furnace technology, as well as syngas technology developed and owned by NSENGI. ...