INFLUENCE OF THE CHEMICAL AND MINERALOGYCAL ASH COMPOSITION OF COAL BLENDS FOR PCI IN THE BEHAVIOR OF FUSIBILITY AND VISCOSITY AT HIGH TEMPERATURES

Autor: Maria Luisa Formoso Ghigg, Eduardo Osório, Antonio Cezar Faria Vilela, Ricardo Jose Tauffer Barros, Roberto da Cruz Junior

Publikováno v: Tecnologia em Metalurgia, Materiais e Mineração, Vol 9, Iss 2, Pp 162-171 (2012)

Some aspects of permeability deterioration in blast furnace process at high rates of pulverized coal injection are not well known yet. At operational practice variations in the ash quality of injected coals can affect the furnace performance. Previ

Externí odkaz: https://doaj.org/article/c30bcfa0ab364bb8929940c04426ed80

Thermoplastic interaction of ultra-high fluidity Brazilian coal with components of blends

Autor: Bruno Deves Flores, Anderson Azevedo Agra, Alessandro Gums, Guilherme Liziero Ruggio da Silva, Antonio Cezar Faria Vilela, Eduardo Osório

Publikováno v: Journal of Materials Research and Technology, Vol 9, Iss 3, Pp 2737-2743 (2020)
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

Brazilian coking coal (Barro Branco seam) were used to produced several binary coal blends with traditional coking coals. The plastic properties of such blends were study by Gieseler plastometry in order to identify possible interactions between coal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a4c7470122321c46d8bd5b0bf42cd27
http://www.sciencedirect.com/science/article/pii/S2238785419305800

The role of CaO and its influence on chlorine during the thermochemical conversion of shredder residue

Autor: Danielle Restelatto, Daniele Perondi, Antonio Cezar Faria Vilela, Ademir J. Zattera, Marcelo Godinho, Christian Manera

Publikováno v: Process Safety and Environmental Protection. 122:58-67

Different wastes are generated by the steel industry, among them the shredder residue (SR). The main source of chlorine in SR is the polyvinyl chloride (PVC), which makes the use of this residue in a thermochemical process a great challenge. In this

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::970b69754d3f0c791057631f260d2ebd
https://doi.org/10.1016/j.psep.2018.11.022

Analysis of Spinel Based Inclusions During the Last Stage of The Steelmaking Process of SAE 52100

Autor: Vinicius Cardoso da Rocha, Wagner Viana Bielefeldt, Julio Aníbal Morales Pereira, Pedro Alves, Antonio Cezar Faria Vilela

Publikováno v: Materials Research, Vol 23, Iss 1 (2020)
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Materials Research v.23 n.1 2020
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Volume: 23, Issue: 1, Article number: e20190558, Published: 29 MAY 2020

Al2O3 (alumina) and MgO·Al2O3 (spinel) inclusions cause valve obstruction (clogging) in continuous casting and can deteriorate the quality of the final product. In this context, industrial heats of the bearing steel SAE 52100 was examined. Samples w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3051475c3782b8e0df4d40ec4c5be1df
http://www.scielo.br/pdf/mr/v23n1/1516-1439-mr-23-1-e20190558.pdf

Review and planning of experiments with steel and slag in laboratory furnace

Autor: Wagner Viana Bielefeldt, Pedro Alves, Antonio Cezar Faria Vilela, Vinicius Cardoso da Rocha, Julio Aníbal Morales Pereira

Publikováno v: Journal of Materials Research and Technology, Vol 7, Iss 3, Pp 387-394 (2018)

During the steel secondary refining, the elimination of impurities, adjustment of the chemical composition and adjustment of the temperature of the liquid steel occurs. The removal of non-metallic inclusions usually occurs in this step, being perform

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b95d209189e72c2e3d656ea6868b8a40
http://www.sciencedirect.com/science/article/pii/S223878541730786X