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논문 기본 정보

자료유형
학술저널
저자정보
Seung Kyu Yang (Institute for Advanced Engineering) Daegi Kim (Institute for Advanced Engineering) Seong Kuk Han (Institute for Advanced Engineering) Ho Kim (Institute for Advanced Engineering) Seyong Park (Institute for Advanced Engineering)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제23권 제4호
발행연도
2018.12
수록면
456 - 461 (6page)

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초록· 키워드

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The solid-state anaerobic digestion (SS-AD) has promoted the development and application for biogas production from biomass which operate a high solid content feedstock, as higher than 15% of total solids. However, the digested byproduct of SS-AD can be used as a fertilizer or as solid fuel, but it has serious problems: high moisture content and poor dewaterability. The organic residue from SS-AD has to be improved to address these problems and to make it a useful alternative energy source. Hydrothermal carbonization was investigated for conversion of the organic residue from the SS-AD of livestock waste to solid fuels. The effects of hydrothermal carbonization were evaluated by varying the reaction temperatures within the range of 180-240℃. Hydrothermal carbonization increased the calorific value through the reduction of the hydrogen and oxygen contents of the solid fuel, in addition to its drying performance. Therefore, after the hydrothermal carbonization, the H/C and O/C atomic ratios decreased through the chemical conversion. Thermogravimatric analysis provided the changed combustion characteristics due to the improvement of the fuel properties. As a result, the hydrothermal carbonization process can be said to be an advantageous technology in terms of improving the properties of organic waste as a solid-recovered fuel product.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2018-539-003101141