Characterization of Mongolian Baganuur Coal Properties

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2010 Vol.47, Issue 5 Preview Page Next Page

Characterization of Mongolian Baganuur Coal Properties 몽골 Baganuur 석탄의 특성평가: 이수정, 박석환, 배인국, 권성원, 신희영
Sujeong Lee, Sukwhan Park, Inkook Bae, Sungwon Kwon and Heeyoung Shin

31 October 2010. pp. 668-677

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Abstract

We have examined the potential of Mongolian Baganuur coal for clean coal technology by characterizing its chemical, petrographic, thermal and mineralogical properties. Average vitrinite reflectance was 0.345 which corresponds to the reflectance for lignite. Ulminite and phlobaphinite were observed which exist only in lignite. The content of mineral matters calculated by Paar formula was 12.06%. Mineral particles were less than several ㎛ in size and most common minerals were quartz and clay minerals along with pyroxene, hematite, sylvite, native gold and olivine. Chemical demineralization rather than physical separation would be a preferred method due to fine disseminated mineral particles.

Keywords

Clean coal

Baganuur coal

Characterization

Demineralization

Reflectance

청정석탄 제조 가능성을 알아보기 위하여 몽골 Baganuur 탄전에서 생산되는 저등급 석탄의 화학적, 광학적, 열적 및 광물학적 특성을 평가하였다. Baganuur 석탄은 비트리나이트 평균반사율이 Rm0.345로서 갈탄에 해당되는 탄화정도를 나타내었다. 석탄구성물질에서도 ulminite, phlobaphinite같은 갈탄에서만 존재하는 마세랄들이 나타나고 있어 탄화정도가 낮은 갈탄임이 확인되었다. Parr공식으로 계산된 석탄내 무기광물 함량은 약 12.06%이다. 석탄에 포함된 무기 광물입자의 크기는 일반적으로 수㎛ 이하였으며, 석영과 점토광물이 가장 흔하게 발견되었다. 이 외에 휘석, 적철석, 칼리암염, 자연금, 감람석 등이 관찰되었다. 미립의 광물입자가 산재되어 있기 때문에 물리적 정제보다는 화학적 처리로써 효율적인 회분제거가 가능하리라 판단된다.

키워드

청정석탄

Baganuur 석탄

특성평가

정제

반사율

References

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