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http://dx.doi.org/10.7316/KHNES.2018.29.1.81

The Biomass Pre-treatment Effect on the Combustion Characteristics of Coal and Biomass Blends  

KIM, JONG-HO (School of Mechanical Engineering, Pusan National University)
PARK, KYEONG-HOON (School of Mechanical Engineering, Pusan National University)
KIM, GYEONG-MIN (School of Mechanical Engineering, Pusan National University)
PARK, KYEONG-WON (School of Mechanical Engineering, Pusan National University)
JEONG, TAE-YONG (School of Mechanical Engineering, Pusan National University)
LEE, YOUNG-JOO (Clean Fuel Department, High Efficiency and Clean Energy Research Division, Korea Institute of Energy Research (KIER))
JEON, CHUNG-HWAN (School of Mechanical Engineering, Pusan National University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.29, no.1, 2018 , pp. 81-89 More about this Journal
Abstract
Fuel blend technique is one of the most effective way of using biomass to replace the coal. Many studies on combustion characteristics with coal and biomass blends have been conducted. In this study, char reactivity and emission characteristics of coal (Suek) and biomass (EFB) blends has been investigated by TGA and DTF to evaluate the applicability of the pre-treated (torrefaction, ash removal technology) EFB to pulverized coal boiler. In all blending cases, char reactivity improved as the blending ratio increases (10, 20, and 30%), especially torrefied EFB blended at 30%. Also, unburned carbon decreased as the blending ratio increases in all types of EFB. NOx emission showed the increase and decrease characteristics according to the content of fuel-N of raw EFB and torrefied EFB. But the amount of NOx emission at ashless EFB blends is greater than that of Suek despite of lower fuel-N. It indicated that co-firing effect of using the pretreatment biomass fuel is relatively better than those of the untreated biomass fuel about char reactivity and emission characteristics.
Keywords
Ash removal technology; Torrefaction; NOx emission; Unburned carbon; Char reactivity;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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