Open AccessEffect of using biomass fly ash on the concrete sustainability
Author(s) -
Elisabete Teixeira,
Aires Camões,
Fernando G. Branco
Publication year - 2022
Publication title -
acta polytechnica ctu proceedings
Language(s) - English
Resource type - Journals
ISSN - 2336-5382
DOI - 10.14311/app.2022.33.0610
Subject(s) - raw material , fly ash , context (archaeology) , cement , life cycle assessment , sustainability , environmental science , biomass (ecology) , environmental impact assessment , production (economics) , waste management , materials science , engineering , composite material , paleontology , ecology , chemistry , oceanography , macroeconomics , organic chemistry , economics , biology , geology
Biomass fly ash has been studied has a partial cement material, since this material has a positive effect on concrete properties. Even though, some mixes with BFA presents a positive benefit, they need to be economically competitive and present a good environmental performance. So, the analyse and comparison of concrete that uses BFA as raw material substitution in terms of environmental impacts related to the production of conventional concrete. One of the best approaches to develop this type of study is to use the life cycle assessment (LCA) method. This method quantifies both the input flows, such as energy, water and materials, as well as the output flows, such as CO2 emission, solid wastes and liquid wastes. Based both on the abovementioned context and methodological approach, a quantification and comparison of potential environmental impacts resulting from the production of 1 m3 of concrete was made, using different types of binder and quantities of cement substitution.