Effect of Different Temperature Variations and Carbonization Duration on Characteristics of Coffee Husk Briquette

Authors

  • Luh Gede Gita Gowinda Mulyana Utami Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana. Kampus Bukit Jimbaran, Badung-Bali
  • Ni Luh Yulianti Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana. Kampus Bukit Jimbaran, Badung-Bali
  • I Putu Surya Wirawan Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana. Kampus Bukit Jimbaran, Badung-Bali

DOI:

https://doi.org/10.24843/JBETA.2022.v10.i02.p20

Keywords:

briquette, carbonization, coffee husk, temperature variations

Abstract

Coffee husks can be used as an alternative energy source which is often found in the agricultural sector as biomass waste. This research was conducted to determine the effect of different temperature variations and carbonization on the quality of coffee husk briquettes. The experimental design of this study used a factorial Randomized Block Design (RAD) with 2 (two) factors. The first factor is the cooking temperature (S) 200°C, 250°C, and 300°C. The second factor is the length of writing time (L) 30 minutes, 45 minutes, and 60 minutes. The combination of a research experiment design with 2 replications will produce 18 experimental units. Parameters observed in this study include moisture content, mass density, compressive strength, ash content, volatile matter, bound carbon, and combustion rate. In this study, the data obtained were analyzed by variance test and continued with Duncan's test if there were significant differences between treatments. The results showed that the interaction of temperature and cooking time had a significant effect on the quality parameters of the briquettes produced. The briquette treatment with the curing temperature used was 300°C and the curing time of 60 minutes (S3L3) was the treatment that produced the best quality briquettes. The characteristics of S3L3 treatment briquettes are that they have a compressive strength of 235.11 kgf/cm2, a mass density of 0.62 g/cm3, a water content of 1.67%, and a combustion rate of 0.012 g/min.

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Published

2022-09-30

How to Cite

Utami, L. G. G. G. M., Yulianti, N. L., & Wirawan, I. P. S. (2022). Effect of Different Temperature Variations and Carbonization Duration on Characteristics of Coffee Husk Briquette. Jurnal BETA (Biosistem Dan Teknik Pertanian), 10(2), 364–374. https://doi.org/10.24843/JBETA.2022.v10.i02.p20

Issue

Vol. 10 No. 2 (2022): September

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