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Degradation of Lignin Model Component-Syringic Acid by Fe3S4-Graphene Composite Catalyst
Received:September 12, 2019  
DOI：10.11980/j.issn.0254-508X.2020.01.001
Key Words:heterogeneous Fenton technology  Fe3S4  graphene  lignin model component  syringic acid
Fund Project:绿色轻工材料湖北省重点实验室暨绿色轻质材料与加工湖北工业大学协同创新中心开放基金项目 201710A09 ; 广西清洁化制浆造纸与污染控制重点实验室开放基金 KF201814-4 绿色轻工材料湖北省重点实验室暨绿色轻质材料与加工湖北工业大学协同创新中心开放基金项目（201710A09）；广西清洁化制浆造纸与污染控制重点实验室开放基金（KF201814-4）。
Author NameAffiliation
HU Chenyang Hubei Provincial Key Laboratory of Green Materials for Light Industry，Hubei University of Technology，Wuhan，Hubei Province，430068
Collaborative Innovation Center of Green Light-weight Materials and Processing，Hubei University of Technology，Wuhan，Hubei Province，430068 
ZHANG Jian College of Light Industry and Food Engineering，Guangxi University，Guangxi Key Laboratory of Clean Pulp &
Papermaking and Pollution Control，Nanning，Guangxi Zhuang Autonomous Region，530004 
CHENG Xuan China Tobacco Hubei Industrial LLC，Wuhan，Hubei Province，430030 
LI Dan Hubei Xinye Tobacco Sheet Development Co.，Ltd.，Wuhan，Hubei Province，430000 
HUANG Mengxuan Hubei Provincial Key Laboratory of Green Materials for Light Industry，Hubei University of Technology，Wuhan，Hubei Province，430068
Collaborative Innovation Center of Green Light-weight Materials and Processing，Hubei University of Technology，Wuhan，Hubei Province，430068 
AN Junjian Hubei Provincial Key Laboratory of Green Materials for Light Industry，Hubei University of Technology，Wuhan，Hubei Province，430068
Collaborative Innovation Center of Green Light-weight Materials and Processing，Hubei University of Technology，Wuhan，Hubei Province，430068
College of Light Industry and Food Engineering，Guangxi University，Guangxi Key Laboratory of Clean Pulp &
Papermaking and Pollution Control，Nanning，Guangxi Zhuang Autonomous Region，530004 
WANG Lei Hubei Provincial Key Laboratory of Green Materials for Light Industry，Hubei University of Technology，Wuhan，Hubei Province，430068
Collaborative Innovation Center of Green Light-weight Materials and Processing，Hubei University of Technology，Wuhan，Hubei Province，430068 
WANG Hao China Tobacco Hubei Industrial LLC，Wuhan，Hubei Province，430030 
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Abstract:In order to achieve a high catalytic activity，a composite catalyst was prepared by loading Fe3S4 of high Fenton-like catalytic activity on graphene carrier of high specific surface area through in-situ growth. The composite catalyst was then combined with hydrogen peroxide to form a heterogeneous Fenton reaction system. The hydroxyl radical generating from the system was used to degrade lignin model component-syringic acid. The effects of experimental parameters such as catalyst to carrier ratio，catalyst dosage，hydrogen peroxide dosage，pH，time and temperature on the degradation efficiency were studied in detail. Under the optimum reactive conditions(Fe/grapheme ratio 28∶1，pH value 3.02，catalyst amount 0.03 g，concentration of H2O2 10 mmol/L)，the degradation rate of syringic acid (32 mg/L) reached 98.7%.
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