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Query: "author" (Košir Mateja) .

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1.
Surovinske potrebe za zagotavljanje prehoda na trajnostno in pametno mobilnost : zbornik povzetkov konferenčnih prispevkov
2022, other monographs and other completed works

Abstract: EIT Urbana mobilnost RIS Hub Slovenija, koordinirana s strani Zavoda za gradbeništvo Slovenije, deluje kot nacionalna kontaktna točka za skupnost urbana mobilnost, ki deluje pod okriljem Evropskega inštituta za inovacije in tehnologijo. Osredotočenost na izboljševanje življenjskih razmer v mestih, spodbujanje inovacij na področju zelenih in varnih rešitev za mobilnost ljudi, blaga in odpadkov, pospeševanje tržnih priložnosti v avtomobilski industriji ter oblikovanje zakonodajnega okvira za spremembe so le nekateri strateški cilji skupnosti KIC EIT Urbana mobilnost. Z namenom spodbujanja povezovanja, združevanja in povečevanja partnerstva med obema sektorjema (surovine in mobilnost), neposredno vpletenima v prehod na bolj trajnostne oblike mobilnosti, je bila 24. oktobra 2022 organizirana spletna konferenca EIT OPEN DAY SLOVENIJA2022 – Surovinske potrebe za zagotavljanje prehoda na trajnostno in pametno mobilnost. Konferenca je bila organizirana s strani Zavoda za gradbeništvo Slovenije, v sodelovanju z Regionalnim centrom Adria EIT Surovine RIS Hub in Javno agencijo SPIRIT Slovenija. Dogodek je bil razdeljen v štiri segmente, v okviru katerih je obravnaval finančne spodbude in mehanizme za zagotavljanje trajnostnega prehoda, tudi z uporabo novih in inovativnih lahkih zlitin ter vodikovih in baterijsko-električnih tehnologij.
Keywords: urbana mobilnost, pametna mobilnost, trajnostna mobilnost, mesta, trajnostni razvoj, urbano okolje, surovine, lahke zlitine, vodikove tehnologije, baterijsko električne tehnologije
Published in DiRROS: 25.01.2024; Views: 188; Downloads: 90
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2.
Detoxified spent pot lining from aluminum production as (alumino-)silicate source for composite cement and autoclaved aerated concrete
Arne Peys, Mateja Košir, Ruben Snellings, Ana Mladenovič, Liesbeth Horckmans, 2021, original scientific article

Abstract: New sources of supplementary cementitious materials (SCMs) are needed to meet the future demand. A potential new source of SCM is spent pot lining, a residue from aluminum production. The present work showed that the refined aluminosilicate part of spent pot lining (SPL) has a moderate chemical reactivity in a cementitious system measured in the R3 calorimetry test, comparable to commercially used coal fly ash. The reaction of SPL led to the consumption of Ca(OH)2 in a cement paste beyond 7 days after mixing. At 28 and 90 days a significant contribution to strength development was therefore observed, reaching a relative strength, which is similar to composite cements with coal fly ash. At early age a retardation of the cement hydration is caused by the SPL, which should most likely be associated with the presence of trace amounts of NH3. The spent pot lining is also investigated as silica source for autoclaved aerated concrete blocks. The replacement of quartz by spent pot lining did not show an adverse effect on the strength-density relation of the lightweight blocks up to 50 wt% quartz substitution. Overall, spent pot lining can be used in small replacement volumes (30 wt%) as SCM or as replacement of quartz (50 wt%) in autoclaved aerated concrete blocks.
Keywords: spent pot lining, construction materials, recycling, autoclaved aerated conctrte, supplementary cementitious material
Published in DiRROS: 04.12.2023; Views: 215; Downloads: 90
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