The Acoustical Performance of Water Hyacinth Based Porous-Ceramic Compared to the Biomass Fiber Composites for Architecture Application

Abstract

The hyacinth plant (Eichhornia crassipes) is an aquatic weed that causes the silting of swamps. The water hyacinth research was developed because of concerns over the threat of biodiversity in swamps by utilizing water hyacinth for ceramic and composite mixtures. This current research highlights the comparative acoustical performances of ceramic and composite with water hyacinth contents. Dried water hyacinth was added to the clay ceramic mixture with a weight percentage of 2, 6, 8, and 10 wt%. The ceramic dough was then shaped hexagonally with an interlock system and molded overlay respectively before burning and biscuits, while the composite dough consisted of 200 ml polyester resin: 25 mg water hyacinth: 20 ml catalyst. The acoustic test methods refer to ASTM 1050-98 and ASTM E2611-09 for sound absorption and sound transmission loss respectively. The result showed that the 8 wt% water hyacinth mixture of porous ceramic had an average absorption coefficient of 0.29 and a sound transmission loss of a wide range of frequencies with an average of 59.1 dB. Meanwhile, the resin composite has a poor average of sound absorption of 0.10 -0.11 and 58.08 -58.36 dB on its STL. The innovation of the water hyacinth-ceramic, however, had a promising character as a Helmholtz-based diffuser-absorber.

The development of sound absorber material from green composites

“…A prior investigation established that natural fibre composites with fibre fillers had an absorption coefficient that complied with ISO 11654 with a minimum sound absorption value of 0.15 [16]. In a study by Sukhawipat et al [17] utilizing a polyurethane foam matrix, water hyacinth fibre generated a sound absorption coefficient of 0.92. Setyowati et al [18] indicated that a mixture of ceramic water hyacinth had an absorption value of 0.29 and an average transmission loss (TL) of 59.1 dB while utilizing the ASTM 1050-98 and ASTM E 2611-09 standards.…”

“…Source: Author's collection based on several material properties data from reference numbers[17,[24][25][26][27] …”

Trend of Sound Absorption Research: A Bibliometric Analysis

“…With an average publication year of 2017.3 and a citation frequency of 13.5 for each article, this term has been cited 48 times. It is also known as lignocellulosic fiber, and it's grown more popular as the need for fresh natural fiber to replace synthetic fiber has increased [34]. Currently, the commonly researched natural fiber materials…”

The Acoustic Performance of Natural Composites in Reducing Stress Levels: Textile Industry

“…Such as egg container waste, wood, straw, and water hyacinth. One of the studies conducted by Setyowati et al (2021) [37] is a study related to water hyacinth fibers used as acoustic panels. In the study conducted, water hyacinth fibers were reinforced with ceramics and composites.…”