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RECOVERY OF SAWDUST, RECYCLED RUBBER PARTICLES AND TEXTILE WASTE BY MAKING SOUND ABSORBING MATERIALS

Ancuta-Elena Tiuc

First published: 2017-11-20https://doi.org/10.5593/sgem2017h/43/s18.022View metrics

Abstract

Research focuses on the use of alternative raw materials and on finding new solutions to reduce noise in the context of issues related to environment, is of great interest and great actuality. Composite materials with fir sawdust, used rubber granules and textile waste; Aracet (polyvinyl acetate) and hydrated lime as a binding material, were used in this research. Materials acoustic absorption coefficient was found using the impedance tube method. The values obtained show that these materials can be used for absorbing sound waves in the 400 пїЅ 2400 Hz frequency range. From the analysis of the experimental results, it can be observed that for the materials obtained in this research, the acoustic absorption coefficient value increased with the increase of the fir woods percentage used. The materials obtained using polyvinyl acetate as binder have better sound absorption properties than those obtained with lime-hydrated lime as binder. The presence of rubber granules in the material composition leads to an improvement in the sound absorbing properties in the 800-1600 Hz frequency range. The material obtained from 25% textiles, 75% fir wood, and Polyvinyl acetate as binder has the best acoustic absorption coefficient, of 0.97 at the frequency of 1500 Hz.

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Publication details

Title
RECOVERY OF SAWDUST, RECYCLED RUBBER PARTICLES AND TEXTILE WASTE BY MAKING SOUND ABSORBING MATERIALS
Authors
Ancuta-Elena Tiuc
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Energy and Clean Technologies
Publisher
STEF92 Technology
Year
2017
Pages
171-178
SWS Citekey
Tiuc201718171178
ISSN
1314-2704
ISBN
978-619-7408-28-7
Language
en
Publication type
Conference Paper
Keywords
sound absorbing materialswood wastestextile wasterubber wastereuse of waste materials
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