Lignin Conversion to Low-Molecular-Weight Aromatics via an Aerobic Oxidation-Hydrolysis Sequence: Comparison of Different Lignin Sources

被引：122

作者：

Das, Amit ^{[1
]}

Rahimi, Alireza ^{[1
]}

Ulbrich, Arne ^{[1
]}

Alherech, Manar ^{[1
]}

Motagamwala, Ali Hussain ^{[2
]}

Bhalla, Aditya ^{[3
]}

Sousa, Leonardo da Costa ^{[4
]}

Balan, Venkatesh ^{[4
,8
]}

Dumesic, James A. ^{[2
]}

Hegg, Eric L. ^{[3
]}

Dale, Bruce E. ^{[4
]}

Ralph, John ^{[5
,6
]}

Coon, Joshua J. ^{[1
,7
]}

Stahl, Shannon S. ^{[1
]}

机构：

[1] Univ Wisconsin, Dept Chem, 1101 Univ Ave, Madison, WI 53706 USA

[2] Univ Wisconsin, Dept Chem & Biol Engn, 1415 Engn Dr, Madison, WI 53706 USA

[3] Michigan State Univ, Dept Biochem & Mol Biol, 603 Wilson Rd, E Lansing, MI 48824 USA

[4] Michigan State Univ, Dept Chem Engn & Mat Sci, 3815 Technol Blvd,Suite 1045, E Lansing, MI 48824 USA

[5] Wisconsin Energy Inst, Dept Biochem, 1552 Univ Ave, Madison, WI 53726 USA

[6] Wisconsin Energy Inst, DOE Great Lakes Bioenergy Res Ctr, 1552 Univ Ave, Madison, WI 53726 USA

[7] Univ Wisconsin, Dept Biomol Chem, 420 Henry Mall, Madison, WI 53706 USA

[8] Univ Houston, Sch Technol, Biotechnol Div, Dept Engn Technol, 4800 Calhoun Rd, Houston, TX 77004 USA

来源：

ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2018年 / 6卷 / 03期

关键词：

Biomass; Pretreatment; Depolymerization; Catalysis; Poplar; O BOND-CLEAVAGE; CATALYTIC TRANSFORMATION; SELECTIVE OXIDATION; MONOMER PRODUCTION; STRUCTURAL-CHANGES; MODEL COMPOUNDS; IONIC LIQUID; WOOD LIGNIN; C-C; DEPOLYMERIZATION;

D O I：

10.1021/acssuschemeng.7b03541

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Diverse lignin samples have been subjected to a catalytic aerobic oxidation process, followed by formic-acid-induced hydrolytic depolymerization. The yield of monomeric aromatic compounds varies depending on the lignin plant source and pretreatment method. The best results are obtained from poplar lignin isolated via a acidolysis pretreatment method, which gives 42 wt% yield of low-molecular-weight aromatics. Use of other pretreatment methods and/or use of maple and maize lignins afford yields of aromatics ranging from 3 to 31 wt%. These results establish useful references for the development of improved oxidation/depolymerization protocols.

引用

页码：3367 / 3374

页数：15

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