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논문 기본 정보

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학위논문
저자정보

정재성 (부산대학교, 부산대학교 대학원)

지도교수
전충환
발행연도
2019
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부산대학교 논문은 저작권에 의해 보호받습니다.

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이 논문의 연구 히스토리 (3)

초록· 키워드

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지구 온난화에 대응하여 파리 협정 참여국들은 온실가스 배출량을 단계적으로 감축하려는 노력을 가지고 있다. 이에 영국 정부는 2025년까지 순차적으로 석탄 화력 발전을 중단하거나 바이오매스로 대체할 예정에 있다. 또한, 대한민국 정부는 2030년까지 총 발전량의 20%를 신재생에너지로 보급하려는 목표를 설정하였으며, 그 중 5%는 wood pellet과 같은 바이오매스를 사용하여 보급할 계획을 가지고 있다. 하지만 투입되는 석탄과 바이오매스의 혼소비율과 종류에 따라 수열부
에 나타나는 회 점착 및 UBC, NOx와 같은 환경오염가스의 배출특성이 달라진다. 또한 수열부에 부착된 회는 점차 성장하여 클링커를 발생시키고 이는 수열부의 열전달 손실을 야기한다.
본 연구에서는 torrefied wood pellet 혼소율에 따른 연소성, 배기배출물 및 회 점착특성을 분석하기 위하여 수평연소로, SEM-EDS 등의 장비를 이용하였다. 혼소율이 높아짐에 따라 NOx 발생률을 감소하였으며, UBC는 석탄 전소에 비해 전체적으로 감소하였다. 초기 회 점착층의 경우 석탄 회에 의하여 지배적으로 형성되며, torrefied wood pellet은 회의 성장에 큰 영향을 준다는 것을 SEM-EDS 분석을 통해 확인하였다.

목차

I. 서론 ···································································································· 5
1.1 연구 배경 ······················································································· 5
1.2 이론적 배경 ···················································································· 7
1.3 연구 목적 ······················································································ 12
II. 실험방법 및 장치 ················································································· 13
2.1 실험 샘플 및 조건 ·········································································· 13
2.2 기초 물성 분석 ··············································································· 15
2.3 수평 연소로(HCR: Horizontal Combustion Reactor) ·························· 26
2.4 SEM-EDS ····················································································· 30
III. 실험 결과 및 고찰 ················································································ 32
3.1 배기배출물 및 연소성 ······································································ 32
3.2 회 점착 거동 ·················································································· 36
3.3 회 점착 특성 ·················································································· 40
IV. 결론 ··································································································· 46
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