Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Waste fibrecement: An interesting alternative raw material for a sustainable Portland clinker production
Highlights ► Quantified inorganic CO2 emission reduction and decarbonation energy gain. ► No significant chemical and mineralogical influence on the final clinker. ► Introduction at a hot point in the process is a necessity. ► Quantified energy gain by degradation of organic compounds. ► Estimated energy consumption for the liberation of chemically bound H2O.
Abstract This paper aims to examine the use of fibrecement waste as an alternative raw material for Portland clinker kilns with enumeration of possible limitations. Numerical simulations were carried out to maximise the use of fibrecement waste in clinker kilns taking into account the compositional variation of the waste, its behaviour within a clinker kiln, the impact on the energy consumption and finally the influence on the carbon footprint calculated from the decarbonation. Furthermore, experimental clinkers were produced corresponding with waste dosages that were esteemed as realistic by the numerical simulations. These clinkers were fully analysed and evaluated according to the above described evaluation concept.
Waste fibrecement: An interesting alternative raw material for a sustainable Portland clinker production
Highlights ► Quantified inorganic CO2 emission reduction and decarbonation energy gain. ► No significant chemical and mineralogical influence on the final clinker. ► Introduction at a hot point in the process is a necessity. ► Quantified energy gain by degradation of organic compounds. ► Estimated energy consumption for the liberation of chemically bound H2O.
Abstract This paper aims to examine the use of fibrecement waste as an alternative raw material for Portland clinker kilns with enumeration of possible limitations. Numerical simulations were carried out to maximise the use of fibrecement waste in clinker kilns taking into account the compositional variation of the waste, its behaviour within a clinker kiln, the impact on the energy consumption and finally the influence on the carbon footprint calculated from the decarbonation. Furthermore, experimental clinkers were produced corresponding with waste dosages that were esteemed as realistic by the numerical simulations. These clinkers were fully analysed and evaluated according to the above described evaluation concept.
Waste fibrecement: An interesting alternative raw material for a sustainable Portland clinker production
Schoon, Joris (Autor:in) / Van der Heyden, Luc (Autor:in) / Eloy, Pierre (Autor:in) / Gaigneux, Eric M. (Autor:in) / De Buysser, Klaartje (Autor:in) / Van Driessche, Isabel (Autor:in) / De Belie, Nele (Autor:in)
Construction and Building Materials ; 36 ; 391-403
29.04.2012
13 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Ant , Antoing , IC , Iron Carrier (Fe<inf>2</inf>O<inf>3</inf>-source) , ARM , Alternative Raw Material , LSF , Lime Saturation Factor , ARM/CS , Corrugated fibrecement Sheet , LiqSimple , Liquid Simple , ARM/HD , autoclaved High Density fibrecement board , LOI , loss on ignition , ARM/MD , autoclaved Medium Density fibrecement board , Lo , Loam (SiO<inf>2</inf>-source) , ARM/RS , Fibrecement Roofing Slate , Lxh , Lixhe , CCM , Cold Clinker Meal , Maa , Maastricht , Cl , Clinker , Ma , Marl (specific type of limestone) , CRM , Classic Raw Material , PL , Poor Limestone , Decarb E , Decarbonation Energy , Ref , Reference , FA , Fly Ash (Al<inf>2</inf>O<inf>3</inf>-source) , RL , Rich Limestone , FC , Fibrecement , SC , Sabulous Clay (SiO<inf>2</inf>-source) , HCM , Hot Clinker Meal , Tu , Tuffeau (specific type of limestone) , CO<inf>2</inf> , Energy , Cement , Cellulose , Polyvinyl alcohol , Polypropylene
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