Abstract
Municipal solid waste (MSW) disposal is one of the main issues towards sustainable development. Various technologies are studied to solve it. Hydrothermal carbonization (HTC) is an appropriate technology selection to reduce the waste volume primarily and to utilize MSW as the energy source because of its high the calorific value inside. This paper describes the potential of hydrochar production of raw materials in the provinces of East Java, Indonesia. The hydrochar production can be used as a secondary char and for electrical generation if it is combined with gasification process. The waste material affected the quality of combustion and calorific value to the product. The proximate and ultimate analysis using ASTM methods was conducted to analyze the characteristics of hydrochar. The influences of the HTC temperatures at saturated pressure (220°C, 23 bar) and variations of the feedstock moisture content (20–60%) were studied using a simulation of HTC process. The average calorific value of hydrochar is increased 32% of waste materials, 70% hydrochar yield, and 84% energy efficiency. This value indicates that the HTC process can produce hydrochar, moreover it reduced the mass of waste materials, also increased the energy content of products and the energy efficiency is a potential of energy generation from waste materials in an area.
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ACKNOWLEDGMENTS
We would like to express our sincere thanks, gratitude and appreciations to LPPM ITS, for funding the current research under the scheme of Pascasarjana Research Grant 2019. We also would like to extend our appereciations to all members of Energy Engineering and Environmental Conditioning Laboratory, Department of Engineering Physics ITS for their enormous contributions to this work.
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Hantoro, R., Septyaningrum, E., Siswanto, B.B. et al. Hydrochar Production through the HTC Process: Case Study of Municipal Solid Waste Samples in East Java, Indonesia. Solid Fuel Chem. 54, 418–426 (2020). https://doi.org/10.3103/S036152192006004X
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DOI: https://doi.org/10.3103/S036152192006004X