Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Hannu Suopajärvi"'
Publikováno v:
Fuel Communications, Vol 14, Iss , Pp 100082- (2023)
This work focuses on the properties of hydrolysis lignin biocarbons with a perspective on utilizing the biocarbons in pyrometallurgical processes. Even if the blast furnace and basic oxygen furnace (BF-BOF) process route was replaced by emerging tech
Externí odkaz:
https://doaj.org/article/dac0fc034c8943e0bca5f0dbb4b7be31
Publikováno v:
Energies, Vol 12, Iss 8, p 1533 (2019)
Replacement of part of the coal in the coking blend with lignin would be an attractive solution to reduce greenhouse gas emissions from blast furnace (BF) iron making and for obtaining additional value for lignin utilization. In this research, both n
Externí odkaz:
https://doaj.org/article/29525432c4e14b59be494a693d530635
Autor:
Hannu Suopajärvi, Essi Dahl, Antti Kemppainen, Stanislav Gornostayev, Aki Koskela, Timo Fabritius
Publikováno v:
Energies, Vol 10, Iss 11, p 1850 (2017)
The aim of this research was to investigate the effects of charcoal and Kraft-lignin additions on the structure, cold compression strength, and reactivity of bio-cokes produced at the laboratory scale. Bio-cokes were prepared by adding charcoal and K
Externí odkaz:
https://doaj.org/article/cf24972408c441a3a98f63cf68a85c0e
Publikováno v:
International Journal of Coal Preparation and Utilization. 43:623-645
Publikováno v:
Fuel. 324:124823
The utilization of bio-based side streams in metallurgical coke making promotes two major factors in the mitigation of climate impact in the steel industry. Circular economy as the waste material from biorefinery industry is utilized as a raw materia
Publikováno v:
Journal of Cleaner Production. 148:709-734
Steel production is one of the most energy and carbon intensive industries contributing 5–7% of the global CO 2 emissions. In the search for ways to decrease fossil CO 2 emissions, biomass-based reducing agents are considered as one promising oppor
Autor:
Mikko Iljana, Hannu Suopajärvi, Eetu-Pekka Heikkinen, Caisa Samuelsson, Olli Mattila, Juho Haapakangas, Timo Fabritius, Antti Kemppainen
Publikováno v:
Metallurgical and Materials Transactions B. 47:2357-2370
Despite the fact that H2 and H2O are always present in the gas atmosphere of a blast furnace shaft, their role in the solution-loss reactions of coke has not been thoroughly examined. This study focuses on how H2 and H2O affect the reaction behavior
Publikováno v:
Energies, Vol 12, Iss 8, p 1533 (2019)
Energies
Volume 12
Issue 8
Energies
Volume 12
Issue 8
Replacement of part of the coal in the coking blend with lignin would be an attractive solution to reduce greenhouse gas emissions from blast furnace (BF) iron making and for obtaining additional value for lignin utilization. In this research, both n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fe43e889bc8a3f02b9463fb41f8d4e2
http://urn.fi/urn:nbn:fi-fe2019091328133
http://urn.fi/urn:nbn:fi-fe2019091328133
Understanding the combustion behavior is the basic requirement for a new resource to be used as an alternative fuel for the industrial design of the future plants. In this article, thermogravimetric analysis (TGA) of lignin char combustion in differe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2d9a937cbd2770e7f6befa01417b9d0
http://urn.fi/urn:nbn:fi-fe2019091828630
http://urn.fi/urn:nbn:fi-fe2019091828630
Publikováno v:
Fuel. 265:117017
The understanding of biochar properties is important for developing pyrolysis process to produce biochars suitable for blast furnace injection. This study investigates fuel characteristics, grindability, moisture uptake and the flow properties of bir