Life Cycle Assessment of Steel Production in Poland: A Case Study ... most to climate change while the disposal of steel and cement slag is responsible for ... of an integrated steel mill through ...
May 26, 2019· The materials ensure that the liquid steel made has the aimed mechanical properties and chemical composition after its casting and is free from defects. Besides the quality of steel, the charge materials also affect (i) volume of slag produced, (ii) life of refractory lining, and (iii) safety of both the plant and the working personnel.
Jan 10, 2014· LD slag has a series of advantages over natural rock in the field of road construction. Greater hardness. Slag has a greater PSV (Polished Stone Value): i.e., greater resistance to wear. This is the result of its mineral composition. The consequences: less wear and longer road lifetimes. Roads constructed using LD slag demonstrate reduced rutting.
Steel is the most recycled material in the world and can be recycled indefinitely without losing its properties. Due to its durability, steel products have a long useful life and can often be recycled and used in other applications, thus saving resources.
1. Introduction. Steel slags are a high volume by-product of steel production with annual global production of about 170–250 million metric tonnes/year ().Long-established routes for re-use and recycling of steel slag exist, predominantly as fill material or road ballast in construction applications (Motz and Geiseler, 2001).In Europe, between 70 and 80% of steel slag is currently reused ...
The melting of scrap for the production of steel in an electric arc furnace is common practice in many countries2 and two types of slag are produced with this process; The first is Electric Arc Furnace Slag (EAFS), which is produced in granulated form during the first stage of steel production and the second is Ladle Furnace Slag (LFS), which ...
CONCRETE SUSTAINABILITY REPORT ... slag and silica fume which helps reduce embodied energy, carbon footprint and waste. Concrete has a long service life, thereby ... From a life cycle perspective, con-crete-frame buildings perform well when compared to steel-frame buildings. As a result, concrete buildings have lower car-
Stainless Steel is a highly durable material used in many qualified applications. Like all materials, its production and use affect the environment in many different ways. Assessing the overall environmental impact of products requires an integrated approach that considers the product over its entire life cycle — Life Cycle Assessment (LCA).
Literature Review of Life Cycle Assessment Applied to Green Concretes ..., journal, kind of green concrete (industrial by-products, i. e. steel slag, rice husk ash, fly ash, etc., recycled ...
Life Cycle Assessment of Concrete Products for Special Applications Containing EAF Slag. Article ... together with the Steel slag is a hard, dense material similar to air-cooled iron rapid growth ...
during another life cycle phase, such as the use phase. LCA, based on sound methodology and transparent reporting, is an important tool to assist with policy-making. s t e e l s c r a p P o s t-c o n s u m e r Raw material extraction Steel recycling Steel production Ma nufact ri g Reuse and remanufacturing Use 1 0 0 % R E C Y C L A B L E C 1 0 ...
LIFE CYCLE THINKING. To understand the environmental performance of a product, its entire life cycle needs to be taken into consideration. A life cycle assessment (LCA) of a steel product looks at resources, energy and emissions, from the steel production stage to its end-of-life …
Life CyCLe assessment methodoLogy report World Steel Association Rue Colonel Bourg 120 B-1140 Brussels Belgium ... Table 5: Slag recovery rates and usages 21 Table 6: Life cycle impact assessment results of steel products 33 ... 'World Steel Life Cycle Inventory Methodology Report 1999 – 2000'6.
DOI link for Pavement Life-Cycle Assessment. Pavement Life-Cycle Assessment book. Proceedings of the Symposium on Life-Cycle Assessment of Pavements (Pavement LCA 2017), April 12-13, 2017, Champaign, Illinois, USA. ... Case study of steel slag recycling. With O. Yazoghli-Marzouk, ...
In this study, a comparative evaluation for CO2 fixation by carbonation of steelmaking slag was performed by life cycle assessment (LCA) using Umberto …
In fact, for longer transportation distances (in this case 50 km for steel slag and 20 km for limestone aggregates), it seems that the use of alternative aggregates might be environmentally unfavorable. Download : Download full-size image; Fig. 2. Life cycle global warming potential for 1 km of road pavement – no allocation.
The development for such an analysis is based on a Life Cycle Assessment (LCA) of steel production with a cradle to casting plant gate approach that covers the stages from raw material extraction to solid steel slab production. The inventory results have highlighted the large solid waste production, especially in terms of slag, which could be ...
The Slag Cement Association (SCA) commissioned the Athena Institute to produce this Ready Mixed Concrete Life Cycle Assessment (LCA) Calculator for Slag Cement - Version 1.0 to show the impacts of using slag cement in ready mixed concrete.
native materials life cycle impacts assessment. The lack of data on EAF-S primary production (EAF-S production in steel plant) conduces to not consider it. The phases investigated are waste processing for recycling purposes, stockpiling (temporary stocks), transport and use in road. Figure 1. The scenario and processes investigated in this study.
ABSTRACTCarbon capture, utilization, and storage (CCUS) is one of the most prominent emerging technologies for mitigating global climate change. In this study, a comparative evaluation for CO2 fixation by carbonation of steelmaking slag was performed by life cycle assessment (LCA) using Umberto 5.5.4 software, with the Swiss Eco-invent 2.2 database.
Stainless steel scrap along with elements, such as chromium, nickel, and molybdenum are used to produce stainless steel. Other materials are added during the whole cycle of the production of stainless steel until the final product, the metal straw, has reached the consumer. Stainless steel is made to last for years; it has a long life cycle.
Based on life cycle assessment, analysis of energy consumption and other environment load by steel production in Chinese typical iron and steel industry was carried out. The process accounted for the most environment load was found by studying the different processes in steel production route. The results indicate that the most important process is blast furnace (BF) which is the major factor ...
The steel industry has developed a methodology to calculate the life cycle inventory (LCI) for the slags from the steelmaking processes. It can also be used in LCA studies where the worldsteel approach to dealing with the industry co-products of system expansion is not allowed.
The results showed that the process of production of cement after floatation was the optimal scenario for copper slag recycling, and its life cycle impact and life cycle cost were-67.22 Pt and-479 ...
Credible LCAs begin with robust, representative life cycle inventory (LCI) data. Since 1995, the World Steel Association (worldsteel) has been collecting LCI data for global and regional average steel products and the Steel Recycling Institute provides assistance and coordination of the data collection efforts in North America.
The internal recycling process of BOF slag which is one of the huge solid wastes from iron and steel industry was emphasized. Based on the four scenarios of different internal recycling strategies for BOF slag, life cycle assessment (LCA) as a valuable tool for industrial solid waste management was applied to analyze the contribution to reducing environmental impacts and resources burdens for ...
Management of steel slag (a major by-product of the steel industry) includes the treatment of highly alkaline leachate (pH > 11.5) from rainwater infiltration of slag deposits to prevent adverse impact upon surface or ground waters. This study
The life cycle assessment of steel production in a national integrated steel plant was performed based on inventory data obtained from 2010 production results. The environmental impacts of steel production in Poland were estimated using a cradle-to-factory gate boundary.