Hydrolysis of lignocellulosic biomass with supercritical CO2

2016 Fiscal Year Final Research Report

• Project/Area Number: 26620151
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Green/Environmental chemistry
• Research Institution: National Institute of Advanced Industrial Science and Technology
• Principal Investigator: SASAKI Masahide 国立研究開発法人産業技術総合研究所, 生物プロセス研究部門, 研究グループ長 (60357126)
• Co-Investigator(Renkei-kenkyūsha): FUKUSHIMA Masami 北海道大学, 工学研究科, 准教授 (40344113)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Keywords: 木質系バイオマス / 化学原料化 / 超臨界二酸化炭素 / 加水分解反応 / 水熱反応

Outline of Final Research Achievements

The use of lignocellulosic biomass for the production of energy and chemicals is one of the key issue of sustainable development. Biomass has high potential as renewable feedstock for the production of bulk chemicals, since it consists of highly functionalized molecules. The objective of our study of hydrothermal dissolution of biomass is the production of chemical feedstock with water and CO2.
Biomass hydrolysis experiments were conducted in a percolating reactor at 255°C with and without CO2. Liquid products yield with CO2 was much higher than that without CO2. After hydrolysis with diluted sulfonic acid of the liquid products, sugar yields increased with addition of CO2. We conclude that CO2 at supercritical condition catalyzes the hydrolysis of lignocelluosic biomass.

Free Research Field

反応工学