Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Róbert Findorák"'
Autor:
Zuzana Miškovičová, Jaroslav Legemza, Peter Demeter, Branislav Buľko, Slavomír Hubatka, Martina Hrubovčáková, Peter Futáš, Róbert Findorák
Publikováno v:
Metals, Vol 14, Iss 5, p 589 (2024)
This paper focuses on the study of current knowledge regarding the use of hydrogen as a reducing agent in the metallurgical processes of iron and steel production. This focus is driven by the need to introduce environmentally suitable energy sources
Externí odkaz:
https://doaj.org/article/1be76edbd8374be1a07b0bdd070da44c
Autor:
Jaroslav Legemza, Róbert Findorák, Dana Baricová, Branislav Buľko, Peter Demeter, Slavomír Hubatka, Kostyantyn Karamanits
Publikováno v:
Applied Sciences, Vol 13, Iss 19, p 10698 (2023)
The purpose of this study was to conduct experiments comprising the high-temperature reduction treatment of commercially produced iron ore fines and lumps aimed at increasing the use value of the ore. The analysed ore was Ukrainian iron ore sold unde
Externí odkaz:
https://doaj.org/article/d63766cae7364bbbad8126a54be484b1
Autor:
Ľubomír Pikna, Mária Heželová, Dagmar Remeteiová, Silvia Ružičková, Róbert Findorák, Jaroslav Briančin
Publikováno v:
Materials, Vol 16, Iss 8, p 3027 (2023)
In the presented article, an electrocoagulation method using a steel cathode and a steel anode was used to obtain chromium from laboratory-prepared model solutions with known compositions. The study aimed to analyze the effect of solution conductivit
Externí odkaz:
https://doaj.org/article/2bc5c4e2329341a790cdb646d97d8532
Publikováno v:
Metals, Vol 11, Iss 4, p 670 (2021)
This article deals with material research of selected types of quartz and quartzites in order to determine the priority of their use in the production of ferrosilicon and pure silicon, respectively. The highest quality quartzes and quartzites are com
Externí odkaz:
https://doaj.org/article/a2433d2e24c64042a6aa8d5c9e28cf1f
Publikováno v:
Applied Sciences, Vol 10, Iss 19, p 6780 (2020)
Capillary water absorption of materials is a very important factor in the process of pre-treatment of fine-grained materials. Materials that are in a moisturized state capable of forming a firm, compact pellet are, thanks to this particular physical
Externí odkaz:
https://doaj.org/article/b6f2c96532624feb9e09ccb76f47d166
Publikováno v:
Metals, Vol 10, Iss 9, p 1170 (2020)
The use of lignin can be one of the methods of coke powder substitution in the agglomeration process. This article specifies the material research of lignin and the technological and ecological parameters of the agglomeration process in laboratory co
Externí odkaz:
https://doaj.org/article/c742f44681e84541b199c5bd7eb71099
Publikováno v:
Metals, Vol 10, Iss 7, p 909 (2020)
Coke breeze is a special type of fossil fuel that significantly contributes to environmental pollution. Therefore, ways and opportunities to reduce its negative impact on climate change are being sought. Alternative fuels constitute one of the opport
Externí odkaz:
https://doaj.org/article/80467cd2f2a4409cacc063a6223018d4
Publikováno v:
Metals, Vol 9, Iss 9, p 1010 (2019)
This paper specifies the mathematical and physical modelling of the iron sintering process in laboratory conditions. The aim is to get the simplest approach (using thermodynamic software “HSC Chemistry”, version 9, Outokumpu Research Oy, Pori, Fi
Externí odkaz:
https://doaj.org/article/2a53c0d5a08347a48b2839f66d773ce4
Publikováno v:
Minerals, Vol 9, Iss 2, p 128 (2019)
During the iron ore sintering process, two types of particles are present in the sinter bed: (1) fines, which are actively taking part in melting and the formation of secondary phases, and (2) coarse ores, which are partially interacting with the sur
Externí odkaz:
https://doaj.org/article/e36235c94759497686b7ce43eab8d76b
Publikováno v:
Metals, Vol 8, Iss 11, p 973 (2018)
The work is focused on studying the influence of the ratio of concentrate to iron ore on the phase composition of the iron ore agglomerate. The concentrate has significantly higher iron content than used iron ore, and is a determining factor, which i
Externí odkaz:
https://doaj.org/article/9b73dabd30ca4f8a95d3c248efff400b