한빛사논문
- 조회248
한국에너지기술연구원
Joon-Pyo Lee 1, Jeongmi Lee 1, Kyoungseon Min
Gwangju Clean Energy Research Center, Korea Institute of Energy Research (KIER), Gwangju 61003, Republic of Korea
1These authors equally contributed to this work.
Corresponding author : Kyoungseon Min
Abstract
Levulinic acid is a significant platform chemical obtained from biomass and can potentially be used to produce value-added biofuels, biopolymers, and biopharmaceuticals. This study aims at statistically optimizing levulinic acid production from agrowastes. Based on the total carbohydrate content (71.93 %), corncob was selected as the target feedstock. A Box-Behnken design with four factors, such as feedstock concentration, reaction time, reaction temperature, and catalyst concentration, was used to optimize the hydrothermal conversion of corncob to levulinic acid at 180 °C for 30 min using 1 M H2SO4 as the acid catalyst and 120 g/L corncob. The maximum yield of 19.9 % was obtained. Additionally, 8.1 g/L formic acid was co-produced. The results of this study can contribute toward valorization of levulinic acid. Moreover, our results can be useful in developing strategies to utilize agrowastes as a renewable feedstock for recent biorefineries to cope with the climate crisis.
논문정보
- Research article
- 2023년 03월 (BRIC 등록일 2023-05-04)
- 국내 연구진
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