Cost Efficient Partial CO2 Capture at an Integrated Iron and Steel Mill

2019 ◽  
Author(s):  
Maria Sundqvist ◽  
Max Biermann ◽  
Hassan Ali ◽  
Ragnhild Skagestad ◽  
Fredrik Normann ◽  
...  
2018 ◽  
Vol 77 ◽  
pp. 27-36 ◽  
Author(s):  
Maria Sundqvist ◽  
Maximilian Biermann ◽  
Fredrik Normann ◽  
Mikael Larsson ◽  
Leif Nilsson

1994 ◽  
Vol 38 (1) ◽  
pp. 53-61 ◽  
Author(s):  
Harold R. Williams ◽  
Thomas J. Botzman

This study empirically estimates the impact of the U. S.-Canada FTA on specific iron and steel exports and imports using quarterly data for the period January 1981 to December 1990. A single equation multiple linear regression model is used to quantify at the industry and industry segment levels the impact of the agreement. The dependent variables are the quantities of major steel products traded between the two nations. The explanatory variables include foreign price adjusted for the exchange rate and tariff rate, domestic price, and the industrial production index. Results include calculation of price and income elasticities, which vary considerably by industry segments. The impact of free trade, as modeled, varies widely from product to product. As such it has important implications not only for government policy and employment but also for the adjustment problems faced by both the large integrated steel mill and the minimill producers.


1987 ◽  
Vol 18 (1) ◽  
pp. 51-56 ◽  
Author(s):  
C.N. Ong ◽  
W.O. Phoon ◽  
N. Iskandar ◽  
K.S. Chia

2019 ◽  
Vol 11 (7) ◽  
pp. 1825 ◽  
Author(s):  
Letitia Petrescu ◽  
Dora-Andreea Chisalita ◽  
Calin-Cristian Cormos ◽  
Giampaolo Manzolini ◽  
Paul Cobden ◽  
...  

The environmental evaluation of the sorption-enhanced water–gas shift (SEWGS) process to be used for the decarbonization of an integrated steel mill through life cycle assessment (LCA) is the subject of the present paper. This work is carried out within the STEPWISE H2020 project (grant agreement No. 640769). LCA calculations were based on material and energy balances derived from experimental activities, modeling activities, and literature data. Wide system boundaries containing various upstream and downstream processes as well as the main integrated steel mill are drawn for the system under study. The environmental indicators of the SEWGS process are compared to another carbon capture and storage (CCS) technology applied to the iron and steel industry (e.g., gas–liquid absorption using MEA). The reduction of greenhouse gas emissions for SEWGS technology is about 40%. For the other impact indicators, there is an increase in the SEWGS technology (in the range of 7.23% to 72.77%), which is mainly due to the sorbent production and transportation processes. Nevertheless, when compared with the post-combustion capture technology, based on gas–liquid absorption, from an environmental point of view, SEWGS performs significantly better, having impact factor values closer to the no-capture integrated steel mill.


2021 ◽  
Vol 71 (344) ◽  
pp. e259
Author(s):  
F. Puertas ◽  
J. A. Suárez-Navarro ◽  
M. M. Alonso ◽  
C. Gascó

The use of industrial waste and/or by-products as alternative sources of raw materials in building materials has become standard practice. The result, more sustainable construction, is contributing to the institution of a circular economy. Nonetheless, all necessary precautions must be taken to ensure that the inclusion and use of such materials entail no new health hazard for people or their environment. Due to the processes involved in generating industrial waste/by-products, these alternative or secondary materials may be contaminated with heavy metals, other undesirable chemicals or high levels of natural radioactivity that may constrain their use. In-depth and realistic research on such industrial waste is consequently requisite to its deployment in building materials. This paper reviews the basic concepts associated with radioactivity and natural radioactivity, focusing on industrial waste/by-products comprising Naturally Occurring Radioactive Materials (NORM) used in cement and concrete manufacture. Updated radiological data are furnished on such waste (including plant fly ash, iron and steel mill slag, bauxite and phosphogypsum waste) and on other materials such as limestone, gypsum and so on. The paper also presents recent findings on radionuclide activity concentrations in Portland cements and concretes not bearing NORMs. The role of natural aggregate in end concrete radiological behaviour is broached. The radiological behaviour of alternative non-portland cements and concretes, such as alkali-activated materials and geopolymers, is also addressed.


2019 ◽  
Vol 211 ◽  
pp. 1015-1025 ◽  
Author(s):  
Dora-Andreea Chisalita ◽  
Letitia Petrescu ◽  
Paul Cobden ◽  
H.A.J (Eric) van Dijk ◽  
Ana-Maria Cormos ◽  
...  

2013 ◽  
Vol 19 ◽  
pp. 145-159 ◽  
Author(s):  
Minh T. Ho ◽  
Andrea Bustamante ◽  
Dianne E. Wiley

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