Development of Solid Refuse Fuel Using Bituminous Coals and Sawdusts

Chul-Hwan Kim; Ji-Young Lee; Hyuen-Tek Yim; Hyeung-Hun Park; Sol Kwon; Min-Seok Lee; Ho-Gyeong Gu; Jung-Hun Ryu; Ishaq Ahmad

doi:10.7584/JKTAPPI.2019.02.51.1.13

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Development of Solid Refuse Fuel Using Bituminous Coals and Sawdusts 역청탄과 목재 톱밥을 이용한 고형연료 제조 연구

28 February 2019. pp. 13-18

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Abstract

Pellets were manufactured with wood sawdust and bituminous coal, and their quality was analyzed. When the particles of bituminous coals above 25 percent were mixed with the sawdust, the pellets were not formed well. Low calorific value of the wood pellet was around 16 MJ/kg but the pellets made with bituminous coal increased over 19 MJ/kg. As the bituminous coal was added, apparent densities of the pellets started to decrease but more addition of the coal over 20% contributed to the increase up to the density of wood pellet. Durability of the pellets was slightly decreased 2 percent more than that of the wood pellet with the addition of bituminous coal. Ash contents of the pellets were slightly increased by mixing with the coal particles, which were less than 1.05 percent. The addition of the coal particles caused carbon contents to increase and the oxygen contents to decrease. Finally, it was confirmed that the coal particles could be meaningful additives capable of improving the effectiveness of lignocellulosic pellets as fuels in co-firing.

Keywords

Bituminous coal

pellet

co-firing

fuel

low calorific value

References

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Information

Publisher :Korea Technical Association of The Pulp and Paper Industry
Publisher(Ko) :한국펄프종이공학회
Journal Title :Journal of Korea TAPPI
Journal Title(Ko) :펄프종이기술
Volume : 51
No :1
Pages :13-18
Received Date : 2019-01-10
Revised Date : 2019-02-07
Accepted Date : 2019-02-08
DOI :https://doi.org/10.7584/JKTAPPI.2019.02.51.1.13

Journal of Korea TAPPI ISSN:0253-3200(Print) 펄프종이기술

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Literature Cited