촉매 열수탄화(Hydrothermal carbonization)공정을 이용한 폐목재의 고형연료 제조 및 특성 연구
Conversion of Wood Waste into Solid Biofuel Using Catalytic HTC Process
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초록
The objective of this work is to produce solid biofuel from sawdust using the HTC (Hydrothermal carbonization)process. The HTC process of feedstock involves the raw material coming into contact with high temperature and pressurizedwater. The HTC process could produce gaseous, liquefied and solid products, but this study focused on solid product only asan alternative to coal. In this study, sawdust used for a feedstock and its moisture content was under 5%. Water was addedwith the feedstock to raise moisture content to 80% and also used catalysts. The HTC process was performed at temperaturerange from 200 to 270℃ and reaction time was 15 to 120 min. Rising temperature resulted in increasing the higher heatingvalue (HHV) of HTC product. In case of adding catalyst, HHV of solid biofuel was higher and reaction occurred at lower temperatureand pressure. Also, HTC solid product had been characterized and found to be hydrophobic, increased HHV (over 40%), andpelletized easily compared to raw material.
Abstract
The objective of this work is to produce solid biofuel from sawdust using the HTC (Hydrothermal carbonization)process. The HTC process of feedstock involves the raw material coming into contact with high temperature and pressurizedwater. The HTC process could produce gaseous, liquefied and solid products, but this study focused on solid product only asan alternative to coal. In this study, sawdust used for a feedstock and its moisture content was under 5%. Water was addedwith the feedstock to raise moisture content to 80% and also used catalysts. The HTC process was performed at temperaturerange from 200 to 270℃ and reaction time was 15 to 120 min. Rising temperature resulted in increasing the higher heatingvalue (HHV) of HTC product. In case of adding catalyst, HHV of solid biofuel was higher and reaction occurred at lower temperatureand pressure. Also, HTC solid product had been characterized and found to be hydrophobic, increased HHV (over 40%), andpelletized easily compared to raw material.
참고문헌 (9)
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