Sulfur Removal in Bio-Briquette Combustion Using Seashell Waste Adsorbent at Low Temperature

Authors

  • Mahidin Mahidin Department of Chemical Engineering, Syiah Kuala University, Jalan Tgk. Syekh Abdur Rauf No. 7, Darussalam, Banda Aceh, 23111,
  • Asri Gani Department of Chemical Engineering, Syiah Kuala University, Jalan Tgk. Syekh Abdur Rauf No. 7, Darussalam, Banda Aceh, 23111,
  • Abrar Muslim Department of Chemical Engineering, Syiah Kuala University, Jalan Tgk. Syekh Abdur Rauf No. 7, Darussalam, Banda Aceh, 23111,
  • Husni Husin Department of Chemical Engineering, Syiah Kuala University, Jalan Tgk. Syekh Abdur Rauf No. 7, Darussalam, Banda Aceh, 23111,
  • M. Reza Hani Department of Chemical Engineering, Syiah Kuala University, Jalan Tgk. Syekh Abdur Rauf No. 7, Darussalam, Banda Aceh, 23111,
  • Muhammad Syukur Department of Chemical Engineering, Syiah Kuala University, Jalan Tgk. Syekh Abdur Rauf No. 7, Darussalam, Banda Aceh, 23111,
  • Hamdani Hamdani Department of Mechanical Engineering, Syiah Kuala University, Jalan Tgk. Syekh Abdur Rauf No. 7, Darussalam, Banda Aceh, 23111,
  • Khairil Khairil Department of Mechanical Engineering, Syiah Kuala University, Jalan Tgk. Syekh Abdur Rauf No. 7, Darussalam, Banda Aceh, 23111,
  • Samsul Rizal Department of Mechanical Engineering, Syiah Kuala University, Jalan Tgk. Syekh Abdur Rauf No. 7, Darussalam, Banda Aceh, 23111,

DOI:

https://doi.org/10.5614/j.eng.technol.sci.2016.48.4.8

Abstract

Presently, biomass is mostly utilized as co-fuel in coal combustion in view of energy diversification and emission reduction. However, since the coal content of bio-briquettes is high (up to 80% in this study), gas emissions such as those of SOx still occur. Therefore, the introduction of SO2adsorbent is common in coal briquette or bio-briquette combustion. A calcium-based material is usually used for this goal. The aim of this study was to observe the effects of desulfurization temperature and Ca/S ratio (Ca = calcium content in adsorbent; S = sulfur content in coal and biomass) on desulfurization efficiency and kinetics. The ratio of coal to biomass (palm kernel shell/PKS) was fixed at 90:10 (wt/wt) and the ratios of Ca to S were varied at 1:1, 1.25:1, 1.5:1, 1.75:1 and 2:1. The mixtures of coal, PKS and adsorbent were briquetted at a molding pressure of 6 ton/cm2 with Jatropha curcas seeds and starch mixture as binding agents. Desulfurization was performed within a temperature range of 300 to 500C for 720 seconds at an airflow rate of 1.2 L/min. The results showed that the highest desulfurization efficiency (90.6%) was associated with the Ca/S ratio of 2:1 and temperature of 400C. Moreover, the highest reaction rate constant of desulfurization was 0.280 min-1.

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Published

2016-09-30

How to Cite

Mahidin, M., Gani, A., Muslim, A., Husin, H., Hani, M. R., Syukur, M., Hamdani, H., Khairil, K., & Rizal, S. (2016). Sulfur Removal in Bio-Briquette Combustion Using Seashell Waste Adsorbent at Low Temperature. Journal of Engineering and Technological Sciences, 48(4), 465-481. https://doi.org/10.5614/j.eng.technol.sci.2016.48.4.8

Issue

Vol. 48 No. 4 (2016)

Section

Articles