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Uporaba kemičnih sader v proizvodnji cementa = The use of chemical byproduct gypsum in the cement productionLjubič-Mlakar, Tanja ...Kalcijev sulfat v različnih oblikah je obvezen dodatek vsem vrstam portlandskega cementa. Potreben je za regulacijo vezanja oziroma za preprečevanje trenutnega vezanja pri hidrataciji. Naravnih virov ... sadre v SLoveniji ni, zato cementarne to surovino uvažajo. Po drugi strani v nekaterih slovenskih podjetjih nastajajo velike količine odpadne kemične sadre. Tako na aprimer pri proizvodnji titanovega dioksida v Cinkarni Celje nastaja titaanova sadra, pri razžveplanju dimnih plinov v TE Šoštanj energetska sadra. Zamenjava naravne sadre s kemičnimi v cementni industriji, ki je v nekaterih evropskih cementarnah že vpeljana, pomeni zmanjševanje problema odlaganja tovrstnih materialov, za cementarne pa tudi možno pocenitev proizvodnje. V prispevku obravnavamo možnosti za uporabo dveh vrst kemičnih sader (titanova in energetska sadra) za proizvodnjo cementa. V eksperimentalnem delu smo potrdili, da bi bili obe oblikiprimerno nadomestilo uvožene naravne sarde. V zadnjem delu obravnavamo pogoje za praktično uvedbo kemične sadre v cementno industrijo.Source: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 34, št. 3/4, 2000, str. 187-192)Type of material - article, component partPublish date - 2000Language - slovenianCOBISS.SI-ID - 229802
source: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 34, št. 3/4, 2000, str. 187-192)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Ljubič-Mlakar, Tanja | 10273 |
Reščič, Lojzka | 15965 |
Lazar, Silvana | 15966 |
Stergaršek, Andrej | 01061 |
Source: Personal bibliographies
and: SICRIS
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