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Due to lifestyle changes, people spend most of their time indoors at present; thus, Indoor Air Quality (IAQ) is a matter of utmost importance. Multi-functional and innovative finishes can help to passively improve the IAQ, benefitting the health and comfort of occupants. For this study, reference and pre-mixed commercial mortars are compared to a new multi-functional hydraulic lime mortar for indoor finishes, in which conventional aggregates are substituted by a highly porous adsorbent material and biomass waste ashes. The up to 20% higher accessible porosity of the multi-functional finish led to lower density (30%), higher thermal insulation properties (30%), higher water vapor permeability (more than 40%), and improved moisture buffering capacity (three times higher), when compared to the reference mortar. Different types of photocatalytic agents (TiO2) were also added into the new multi-functional hydraulic lime mortar, in order to investigate their effect on the de-polluting properties of the finish. Even if the photocatalytic efficiency remained unexpressed under indoor conditions, due to the predominance of the adsorption process, the de-polluting properties of the new mix were more than 30% higher than that of the reference mortar. The obtained results confirm that the developed innovative multi-functional finish—besides fulfilling the ordinary requirements—is better than commercial mortars, as it can improve the IAQ passively, thus benefitting the health and comfort of occupants.
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Autorzy (7)
-
Chiara Giosuè
-
Costanzo di Perna
-
Barbara Citterio
-
Gianmarco Mangiaterra
-
Maria Letizia Ruello
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Francesca Tittarelli
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
-
BUILDING AND ENVIRONMENT
nr 233,
ISSN: 0360-1323 - Język:
- angielski
- Rok wydania:
- 2023
- Opis bibliograficzny:
- Giosuè C., Pierpaoli M., di Perna C., Citterio B., Mangiaterra G., Ruello M. L., Tittarelli F.: Properties of an innovative multi-functional finish for the improvement of indoor air quality// BUILDING AND ENVIRONMENT -Vol. 233, (2023), s.110091-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.buildenv.2023.110091
- Źródła finansowania:
-
- Publikacja bezkosztowa
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 73 razy
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