BAGUS SAPUTRA, 1814151022 (2022) CHARACTERIZATION OF BETUNG (Dendrocalamus asper) BAMBOO PELLETS TORREFIED AT VARIOUS TEMPERATURES. FAKULTAS PERTANIAN, UNIVERSITAS LAMPUNG.
|
Text
ABSTRAK.pdf Download (2MB) | Preview |
|
![[img]](http://digilib.unila.ac.id/style/images/fileicons/text.png) |
Text
SKRIPSI FULL.pdf Restricted to Repository staff only Download (3MB) |
|
|
Text
SKRIPSI FULL TANPA BAB PEMBAHASAN.pdf Download (3MB) | Preview |
Abstract
The objective of this study was to evaluate the effects of torrefaction temperatures on the characteristic of betung (Dendrocalamus asper) bamboo pellets. Torrefaction was conducted in an electric furnace at 200°C, 240°C, and 280°C for 50 minutes. The properties evaluated consist of color change, density, moisture content, water resistance, water adsorption, compressive strength, proximate analysis, calorific value, and FTIR analysis. The result showed that torrefaction affected the color properties of betung bamboo pellets, showing ∆E value of more than 12 or totally changed. The density and moisture content of torrefied betung bamboo pellets decreased with increasing torrefaction temperature. The torrefied pellets were more hydrophobic than the untorrefied pellets, as exhibited by the improvement of the water resistance and water adsorption values with increasing the torrefaction temperature. Torrefaction temperature of 200°C was the critical temperature that did not cause a decrease in compressive strength. The ash content and fixed carbon increased as temperature increased; in contrast, the volatile matter decreased as the temperature increased. Torrefaction pellets at 280℃ had the highest calorific value of 21.13 MJ/kg. Torrefaction caused changes in the functional group that showed in FTIR analysis.
| Item Type: | Other |
|---|---|
| Subjects: | ?? 530 ?? ?? 540 ?? ?? 570 ?? ?? 580 ?? ?? 630 ?? ?? 680 ?? |
| Divisions: | Fakultas Pertanian > Prodi Kehutanan |
| Depositing User: | 2203319557 . Digilib |
| Date Deposited: | 09 Aug 2022 01:11 |
| Last Modified: | 09 Aug 2022 01:11 |
| URI: | http://digilib.unila.ac.id/id/eprint/64665 |
Actions (login required)
 |
View Item |