Catalytic conversion of hemicellulosic sugars derived from biomass to levulinic acid

被引：33

作者：

Jeong, Hanseob ^{[1
]}

Park, Se-Yeong ^{[2
]}

Ryu, Ga-Hee ^{[3
]}

Choi, June-Ho ^{[2
]}

Kim, Jong-Hwa ^{[2
]}

Choi, Won-Sil ^{[4
]}

Lee, Soo Min ^{[1
]}

Choi, Joon Weon ^{[5
,6
]}

Choi, In-Gyu ^{[2
,6
,7
]}

机构：

[1] Natl Inst Forest Sci, Wood Chem Div, Dept Forest Prod, Seoul 02455, South Korea

[2] Seoul Natl Univ, Dept Forest Sci, Coll Agr & Life Sci, 1 Gwanak Ro, Seoul 08826, South Korea

[3] Moorim P&P Co Ltd, Future Res & Dev Team, Ulsan 45011, South Korea

[4] Seoul Natl Univ, Natl Instrumentat Ctr Environm Management, Seoul 08826, South Korea

[5] Seoul Natl Univ, Grad Sch Int Agr Technol, Pyeongchang 25354, South Korea

[6] Seoul Natl Univ, Inst Green Bio Sci & Technol, Pyeongchang 25354, South Korea

[7] Seoul Natl Univ, Res Inst Agr & Life Sci, Coll Agr & Life Sci, Seoul 08826, South Korea

来源：

CATALYSIS COMMUNICATIONS | 2018年 / 117卷

关键词：

Levulinic acid; Zeolite; Hemicellulosic sugar; C5 sugar conversion; Catalyst modification; Lignocellulosic biomass; FE/HY ZEOLITE; PERFORMANCE; STRENGTH; CRACKING; SITES;

D O I：

10.1016/j.catcom.2018.04.016

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Catalytic conversion of hemicellulosic sugars from biomass towards levulinic acid production was conducted using modified-zeolite Y (commercial). The zeolite was treated by NaOH of different concentration (x M) before used for the conversion of C5 sugars to levulinic acid. The modified zeolites had a larger porosity and an increased concentration of stronger acid sites compared to the untreated zeolite. Levulinic acid yield of 4.6% (conversion of C5 sugar to levulinic acid: 42.7%) was maximized at 190 degrees C and reaction time of 180 min (batch reactor), when using the zeolite treated with 0.25 M NaOH. In addition, with the absence of C6 sugar, the conversion of C5 sugar was higher than that of C5-C6 sugar mixture. The present work provides a new heterogeneous catalytic approach for levulinic acid production from liquid hydrolysates (by-product of biomass utilization).

引用

页码：19 / 25

页数：7

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