Solvothermal Liquefaction of Industrial Soda Lignin into Functional Chemicals

被引：0

作者：

Kumar, Jitendra ^{[1
,2
]}

Negi, Shweta ^{[1
]}

Negi, Rachit ^{[1
]}

Bhaskar, Thallada ^{[1
,2
]}

Yenumala, Sudhakara Reddy ^{[1
,2
]}

机构：

[1] CSIR Indian Inst Petr IIP, Mat Resource Efficiency Div, Thermo catalyt Proc Area, Dehra Dun 248005, India

[2] Acad Sci & Innovat Res AcSIR, Ghaziabad 201002, India

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2023年 / 46卷 / 08期

关键词：

Acetosyringone; Depolymerization; Methoxyphenols; Soda lignin; Solvothermal; HYDROTHERMAL DEPOLYMERIZATION; ALKALI LIGNIN; CONVERSION; DEGRADATION; TEMPERATURE; ETHANOL; WATER; VALORIZATION; BIOMASS;

D O I：

10.1002/ceat.202200492

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Lignin is one of the most abundant and versatile biomass components, which can be used as a resource for bio-based chemical production. This study investigates the liquefaction of soda lignin with water and ethanol in the temperature range of 220-280 degrees C during a reaction time of 15-45 min. The maximum bio-oil yields of 59 and 57 wt % were observed in ethanol and water at 280 degrees C after 30 and 15 min of reaction time, respectively. It was observed that both solvents were suitable for depolymerizing lignin into methoxyphenols and acetosyringone. However, the area percent values of methoxyphenols (54.2) and acetosyringone (48.3) were higher in water than in ethanol. Ethanol was a more effective solvent with regard to a lower char yield, which was constant (37-41 wt %) in the temperature and reaction time ranges.

引用

页码：1639 / 1647

页数：9

共 38 条

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