Pengaruh Persentase Serbuk Ampas Tebu terhadap Sifat Fisik dan Mekanik Papan Semen Partikel

Fitri, Wenni; Mora, Mora

doi:10.25077/jfu.7.4.367-373.2018

Cited by 5 publications

(4 citation statements)

References 0 publications

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“…The greater the density of TiO2-coconut fiber, the more TiO2 is attached to the fiber. This result is in accordance with the theory, which states that the greater the volume of the constituent material with the greater the density, the formed catalyst composite has high density and vice versa [31]. The percentage of LAS content degradation increased in the irradiation time range of 30 to 120 minutes, where the percent degradation of the LAS compound increased along with longer irradiation time.…”

Section: Linear Alkylbenzene Sulfonate Degradation Activity Testsupporting

confidence: 90%

Sunlight Assisted Degradation of Linear Alkylbenzene Sulfonate by Floating Catalyst TiO2-Coconut Fiber

Sugandi,

Agustiawan,

Wijayanto

et al. 2023

Positron

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The increasing number of laundry businesses in Pontianak causes increased laundry waste, which is dangerous for health and the environment because anionic surfactants such as Linear Alkylbenzene Sulfonate (LAS) are hard degradable. Photocatalyst is a method that can be used to degrade the LAS structure. TiO2 carried in coconut fiber can optimize sunlight irradiation in degrading LAS content when light reaches the water's surface. This study aims to determine the characteristics and optimum activity time of photocatalyst TiO2-coconut fiber in degrading LAS. Photocatalyst characterization was carried out using XRD, XRF, and DR-UV, while the optimum activity test of photocatalysts in degrading LAS was carried out using a UV-Vis spectrophotometer. XRD diffractogram analysis showed the peaks of coconut fiber at 2θ = 22.2º, 34.8º and TiO2 at 2θ = 25.3º, 37.8º, 48.1º, 55.1º, and 62.1º. The TiO2 attached to the fiber after being synthesized was 21.12%. The band gap of TiO2 and TiO2-coconut fiber is 3.21 and 3.18 eV, with light absorption at 386.5 and 390.3 nm. Photocatalyst was carried out in LAS with a mass ratio of TiO2 and coconut fiber of 20:80; 30:70; 40:60, and 50:50 w/w with a time range of 0, 30, 60, 90, and 120 minutes. The results of photocatalysis of TiO2-coconut fiber in a ratio of 20:80 w/w showed the optimum photocatalytic activity at 120 minutes with the highest degradation rate of 80.43%. This research is expected to be applied as an alternative to handling LAS in laundry industry waste.

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Section: Linear Alkylbenzene Sulfonate Degradation Activity Testsupporting

confidence: 90%

Sunlight Assisted Degradation of Linear Alkylbenzene Sulfonate by Floating Catalyst TiO2-Coconut Fiber

Sugandi,

Agustiawan,

Wijayanto

et al. 2023

Positron

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“…The SF1.5 biofoam cup has a puncture strength of 2.65 kg cm −2 , which exceeds that of SF1 (2.1 kg cm −2 ; Figure 10). The amount of added SF affects the puncture strength of the biofoam cup; the addition of SF enhances the structural density of the biofoam cup and reduces air; meaning the biofoam has a tighter structure [31]. With a larger amount of added SF, the mold has sufficient nutrition and can grow more robustly, leading to a thicker mycelium layer.…”

Section: Puncture Testmentioning

confidence: 99%

Characteristics of Biofoam Cups Made from Sugarcane Bagasse with Rhizopus oligosporus as Binding Agent

Indarti

Muliani

Yunita

2023

Advances in Polymer Technology

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This study is aimed at producing a biofoam cup made from sugarcane bagasse with tempeh mold (Rhizopus oligosporus). Soybean flour (SF) was added to promote the growth of mycelia, which could bind the bagasse fiber matrix. The main materials were whole bagasse (B) and depithed bagasse (DB). The SF weight ratios to bagasse were 1 : 1 (SF1) and 1.5 : 1 (SF1.5). Therefore, the studied specimens were labeled B-SF1, DB-SF1, B-SF1.5, and DB-SF1.5. All biofoam cups were analyzed for their physical properties (water absorption and porosity), mechanical properties (puncture and compressive strengths), biodegradability, and thermal properties (thermogravimetric analysis). The lowest water absorption rates were obtained from the B biofoam cups ( 23 % ± 2.45 % ) and the SF1.5 biofoam cups ( 25.83 % ± 5.19 % ). Both B-SF1 and B-SF1.5 had lower porosity ( 8.72 % ± 0.88 % and 10.77 % ± 1.54 % , respectively) than the DB biofoam cups. Moreover, the B biofoam cups had smoother biofoam surfaces, smaller voids, and lower porosity compared with the DB samples. However, the DB biofoam cups showed the highest puncture strength ( 2.95 ± 0.37 kg cm−2) among all samples. Nevertheless, the B-SF1.5 biofoam cup had the highest compressive strength ( 3.98 ± 0.39 MPa) and the DB-SF1.5 exhibited the slowest degradation rate ( 27 % ± 0.7 % ) after 14 days of soil burial. The highest thermal stability was obtained from B-SF1.5, which had a thermal degradation temperature of 264°C. Overall, B-SF1.5 had the smoothest surface, good thermal stability, and high compressive strength.

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“…Hal ini sesuai dengan konsep rule of mixture dimana sifat dari suatu komposit, salah satunya densitas, sangat dipengaruhi oleh sifat dari material penyusunnya. Semakin besar fraksi volume material penyusun dengan densitas yang lebih besar, maka komposit yang terbentuk cenderung memiliki nilai densitas yang tiggi juga begitu pula sebaliknya [15].…”

Section: Gambar 2 Hasil Uji Densitas Komposit Batu Bata Ringan Berbagai Variasi Komposisiunclassified

Batu Bata Ringan Dengan Filler Paduan Serat Ijuk Aren dan Sekam Padi Terkarbonasi

Musa

Sulaiman

Ibrahim³

et al. 2021

JITS

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Pengaruh Persentase Serbuk Ampas Tebu terhadap Sifat Fisik dan Mekanik Papan Semen Partikel

Cited by 5 publications

References 0 publications

Sunlight Assisted Degradation of Linear Alkylbenzene Sulfonate by Floating Catalyst TiO2-Coconut Fiber

Sunlight Assisted Degradation of Linear Alkylbenzene Sulfonate by Floating Catalyst TiO2-Coconut Fiber

Characteristics of Biofoam Cups Made from Sugarcane Bagasse with Rhizopus oligosporus as Binding Agent

Batu Bata Ringan Dengan Filler Paduan Serat Ijuk Aren dan Sekam Padi Terkarbonasi

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