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dc.contributor.authorEscobar V.G.
dc.contributor.authorGozalo G.R.
dc.contributor.authorPérez C.J.
dc.date.accessioned2020-09-02T22:17:17Z
dc.date.available2020-09-02T22:17:17Z
dc.date.issued2019
dc.identifier10.3390/ma12162584
dc.identifier.citation12, 16, -
dc.identifier.issn19961944
dc.identifier.urihttps://hdl.handle.net/20.500.12728/4383
dc.descriptionThere has been increasing interest in new sustainable materials that can be used as construction materials. Among them, sound-absorbing materials have an important role in both acoustical room conditioning and in room insulation. As a proposal for recycling, one of the most common residues in the world, cigarette butts, is studied. Samples were prepared with used cigarette butts as acoustical absorbent materials. Several samples were prepared and grouped by similarity. Variability analyses of the samples prepared in each group were performed. Moreover, the analysis of some possible influences on absorption properties, such as the length of butts, presence of burnt regions, presence of wrapping paper, etc., were analyzed. The results show the potentiality of this residue to be used as an acoustical absorbent since the absorption coefficients found are greater than 0.8 for frequencies over 2000 Hz. The observed variability in the study group and samples can be considered low, as it was below 2% for the major part of frequencies. Influences on the absorption coefficient, for both the length and status of the butts, were statistically confirmed. © 2019 by the authors.
dc.language.isoen
dc.publisherMDPI AG
dc.subjectCigarette butts
dc.subjectRecycling
dc.subjectSound absorber
dc.subjectSustainable material
dc.subjectVariability analysis
dc.subjectAbsorption
dc.subjectAdsorbents
dc.subjectRecycling
dc.subjectSound insulating materials
dc.subjectSound insulation
dc.subjectTobacco
dc.subjectAbsorbent materials
dc.subjectAbsorption co-efficient
dc.subjectAbsorption property
dc.subjectCigarette butts
dc.subjectSound absorber
dc.subjectSound absorbing materials
dc.subjectSustainable materials
dc.subjectVariability analysis
dc.subjectAcoustic wave absorption
dc.subjectAbsorption
dc.subjectAcoustic Insulation
dc.subjectAdsorbents
dc.subjectConstruction Materials
dc.subjectLength
dc.subjectRecycling
dc.subjectSamples
dc.subjectTobacco
dc.titleVariability and performance study of the sound absorption of used cigarette butts
dc.typeArticle


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