Research Paper Led by Doctoral Student Published in Journal "Energies"

Mr. Tassapak with Water Hyacinth

A research paper led by Mr. Wutisirirattanachai Tassapak, a doctoral student in the Graduate School of Science and Engineering at Soka University (SU), titled "Overcoming the HHV–Energy Recovery Tradeoff in Hydrothermal Carbonization of Water Hyacinth via Co-Biomass Selection and Citric Acid Catalysis," has been published in Energies.*

This study explored the potential of utilizing water hyacinth, which spreads rapidly across waterways around the world and poses a serious threat to aquatic ecosystems, as an energy source. 

Hydrothermal carbonization (HTC), a promising technology for converting wet biomass into solid fuel. However, balancing fuel quality and energy recovery has long been a challenge. In this study, the researchers successfully overcame this trade-off by combining water hyacinth with chicken manure and citric acid. The findings demonstrate a new approach to converting waste biomass into valuable energy resources and promoting sustainable energy utilization.

This study was conducted within the framework of the SATREPS-EARTH Project.

Authors: Tassapak Wutisirirattanachai (SU), Yudai Kohira (SU), Mekuanint Lewoyehu (SU / Bahir Dar University (BDU)), Desalew Fentie (BDU), Pranshu Bhatia (SU), Masaaki Fujiwara (Kurita Water Industries Ltd.), Solomon Addisu (BDU), Shinjiro Sato (SU)

* Energies is an international academic journal focuses on technologies and engineering for energy supply, conversion, and utilization. The journal is ranked in the 90th percentile in the Scopus subject category Control and Optimization and has a CiteScore of 7.3.

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