engleski

Wood Biomass Ash as a Raw Material in the Concrete Industry

Trend korištenja drvne biomase kao obnovljivog izvora energije utjecao je na povećanje količina proizvedenog pepela drvene biomase (PDB) kao otpada. Trenutno se 70 % PDB-a odlaže, 20 % se koristi u poljoprivredi, dok se 10 % koristi za razne primjene. Cilj ovog rada je provesti opsežnu analizu trenutnog stanja proizvodnje PDB-a u Hrvatskoj i u Europi. Prikazane su vrste i svojstva PDB-a u odnosu na vrstu drvne biomase te parametri relevantni za korištenje PDB-a u betonskoj industriji. // The trend of use wood biomass as a renewable energy source affect in increase of wood biomass ash (WBA) production as a waste. Currently, 70% of WBA is landfilled, 20% is used in agriculture and 10% is used for miscellaneous application. The aim of this paper is to carry out an extensive analysis of the current situation of WBA production in Croatia and wider in Europe. Also an overview of the types, characteristics of WBA in relation to the type of wood stock and presents parameters relevant for the utilisation of WBA in concrete industry are given.

wood biomass ash, bottom ash, fly ash, chemical composition, supplementary cementitious material, mineral admixture

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