Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Marcela Fridrichová"'
Publikováno v:
Ceramics-Silikáty, Vol 58, Iss 1, Pp 21-27 (2014)
This study deals with development of production procedure of alpha plaster by the method of dehydration in salt solution, which is focused on the use chloride dusts as dehydration agent. For the dehydration of gypsum testing solution containing NaCl
Externí odkaz:
https://doaj.org/article/8d377ea4d6b643868df76d7e0209062d
Publikováno v:
Advances in Materials Science and Engineering, Vol 2016 (2016)
In order to save limited natural resources by utilising industrial by-products, this paper focuses on an entirely new application of fluidized bed combustion fly ash (FBCFA) into Portland composite cements. It is not currently used because undesirabl
Externí odkaz:
https://doaj.org/article/1f6c3a13953541a08fcdb3ae8ed2a365
Publikováno v:
Solid State Phenomena. 296:64-69
The study of the influence of selected temperature regime and potassium ions on the process of synthesis of belite (2CaO·SiO2, C2S) was carried out. The basic raw material was calcium carbonate (CaCO3) and amorphous silica (SiO2). The dosage of both
Publikováno v:
Solid State Phenomena. 276:60-65
The stability of ettringite as high-watery mineral is highly dependent on the ambient temperature. Under standard laboratory conditions, onset of decomposition of this phase occurs at temperature of 80°C already and the theoretical temperature of th
Publikováno v:
Key Engineering Materials. 760:61-66
The aim of the work was to investigate the influence of extremely low and high temperature on the course of hydration of cement stone compared to the reference sample hydrated at normal conditions. The work was structured in such a way that Portland
Publikováno v:
Key Engineering Materials. 760:49-54
This paper deals with the verification of the possibility of preparing synthetic ettringite in a way of direct addition of aluminum sulfate and calcium hydroxide as an alternative to the hydration of yeelimite. The stability of the resulting system w
Publikováno v:
Materiali in tehnologije. 51:219-223
Publikováno v:
Procedia Engineering. 172:319-324
This study is focused on possibilities of utilization of fluidized combustion fly ash for manufacturing of fired hydraulic binders as one of the principal raw materials for production of binders close to traditional cements. As a basic raw material h
Publikováno v:
Key Engineering Materials. 722:168-172
The present work focuses on the use of fluid fly ash for Portland clinker burning. Fluid ashes are carriers of all basic oxides represented in the cement raw meal. However, while the share of hydraulic oxides is in ashes sufficient, there is a signif
Publikováno v:
Materials Science Forum. 865:126-129
This article describes the results of experimental works, dealing with long-term observing of ettringite stability (Ca6Al2(SO4)3(OH)12·26H2O). Thermodynamic stability of this mineral is important in terms of potential use of fluidized bed combustion