Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Pekka Tanskanen"'
Autor:
Visa Isteri, Katja Ohenoja, Christiane Rößler, Holger Kletti, Pekka Tanskanen, Mirja Illikainen, Theodore Hanein, Timo Fabritius
Publikováno v:
Cement, Vol 16, Iss , Pp 100098- (2024)
The production of AYF (alite-ye'elimite-ferrite) clinker was tested at laboratory and semi-industrial scale using by-products from the metallurgical industry: AOD slag; ladle slag; and fayalitic slag. Alite could be produced with ye'elimite using flu
Externí odkaz:
https://doaj.org/article/32ccee4590d3448c8f59ef80267e7636
Autor:
Emma-Tuulia Nurmesniemi, Milla Huhta, Maryam Derkani, Visa Isteri, Theodore Hanein, Tao Hu, Pekka Tanskanen, Ulla Lassi
Publikováno v:
Frontiers in Materials, Vol 9 (2022)
Chemical precipitation is one of the most widely known methods for treatment of industrial wastewaters with high sulphate content, where sulphate can be precipitated as practically insoluble ettringite (Ca6Al2(SO4)3(OH)12·26H2O). This treatment meth
Externí odkaz:
https://doaj.org/article/e14ee6aef36a451b9eacb4c0499bb5f4
Autor:
Visa Isteri, Katja Ohenoja, Theodore Hanein, Hajime Kinoshita, Mirja Illikainen, Pekka Tanskanen, Timo Fabritius
Publikováno v:
Frontiers in Built Environment, Vol 7 (2021)
Alite–ye’elimite–ferrite (AYF) cement is a more sustainable alternative to Portland cement (PC) that may offer improved mechanical, rheological, and chemical performance. Using traditional raw materials and conventional clinker processing condi
Externí odkaz:
https://doaj.org/article/16978d9210824251b632187365415664
Autor:
Rita Kallio, Pekka Tanskanen, Eetu-Pekka Heikkinen, Tommi Kokkonen, Saija Luukkanen, Timo Fabritius
Publikováno v:
Metals, Vol 12, Iss 5, p 709 (2022)
Several research projects are currently focused on the search for new sources of scandium due to its expected increasing demand in advanced technology applications. The Kiviniemi Fe-Sc-enriched mafic intrusion is a potential primary source for Sc. Ac
Externí odkaz:
https://doaj.org/article/95ad51eb816f42d7ad1a7ba147ac1b57
Publikováno v:
Minerals, Vol 11, Iss 9, p 966 (2021)
Scandium is classified as a critical raw material by the European Union. Its beneficiation from various primary and secondary sources is currently being studied under several research and development projects. Due to the geochemical characteristics o
Externí odkaz:
https://doaj.org/article/4a8f3c70c6c1449f8a7ab728321f87a2
Autor:
Fabritius, Rita Kallio, Pekka Tanskanen, Eetu-Pekka Heikkinen, Tommi Kokkonen, Saija Luukkanen, Timo
Publikováno v:
Metals; Volume 12; Issue 5; Pages: 709
Several research projects are currently focused on the search for new sources of scandium due to its expected increasing demand in advanced technology applications. The Kiviniemi Fe-Sc-enriched mafic intrusion is a potential primary source for Sc. Ac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::06cc25988d06baf04db798b1d39bf337
Autor:
Visa Isteri, Katja Ohenoja, Theodore Hanein, Hajime Kinoshita, Holger Kletti, Christiane Rößler, Pekka Tanskanen, Mirja Illikainen, Timo Fabritius
The production of ferrite-rich calcium sulfoaluminate belite (CSABF) cement clinker, also containing MgO, from ladle slag, Fe-slag, and phosphogypsum was translated from a lab-scale to a pilot demonstration in a 7-metre kiln at 1260 °C. An account o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ea326978b8953e39a5f000b63901a74
Autor:
Rita Kallio, Pekka Tanskanen, Eetu-Pekka Heikkinen, Tommi Kokkonen, Saija Luukkanen, Timo Fabritius
Scandium provides technological advantages particularly in solid oxide fuel cells and aluminum alloys. Potential new sources are investigated to respond to the expected increasing demand of this rare earth metal, which is currently classified as a cr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ccb101192a65a280d48c616fe9faaf13
http://urn.fi/urn:nbn:fi-fe2022061345956
http://urn.fi/urn:nbn:fi-fe2022061345956