Impact of biochemical composition on the pyrolysis products of cork oak (Quercus suber) samples

被引：3
|
作者：
BenBelkacem, Imene [1 ]
Bouhafsoun, Aicha [1 ]
Jamaladdeen, Rawaa [2 ]
Coudour, Bruno [2 ]
Roudaut, Christelle [3 ]
Garo, Jean-Pierre [2 ]
Wang, Hui-Ying [2 ]
Djabeur, Abderrezak [1 ]
Lemee, Laurent [3 ]
机构：
[1] Univ Sci & Technol Oran Mohamed Boudiaf, Fac Sci Nat & Vie, Dept Biotechnol, USTO MB,Lab Prod Valorisat Vegetales & Microbienne, BP 1505, Oran 31000, Algeria
[2] Univ Poitiers, Inst P, Fluides Therm Combust CNRS UPR3346, ENSMA, Poitiers, France
[3] Univ Poitiers, Inst Chim Milieux & Materiaux Poitiers IC2MP, CNRS, F-86073 Poitiers, France
来源：
BIORESOURCE TECHNOLOGY REPORTS | 2023年 / 21卷
关键词：
Double -shot pyrolysis; Cork oak; Biochemical composition; Suberin; DSC-TGA; BIOMASS; CELLULOSE; CUTIN;
D O I：
10.1016/j.biteb.2023.101353
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The impact of biochemical composition (cellulose, hemicelluloses, lignin, and suberin) on the products of pyrolysis of lignocellulosic biomass was investigated. A comparative study using double-shot pyrolysis of cork, branches and leaves of cork oak (Quercus suber) was conducted. Differential scanning calorimetry and thermogravimetric analysis (DSC-TGA) demonstrated 350 degrees C and 550 degrees C to be the optimal temperatures for the two shots. Leaves and branches released mainly polysaccharide derivatives in the first shot and produced phenols in the second shot, while cork mainly released ketones in the first shot and produced aliphatic hydrocarbons in the second shot. Higher selectivities in high added-value chemicals, such as benzofurans (20.3 %) and ketones (26.5 %) were respectively achieved for leaves and branches at 350 degrees C whereas aliphatic hydrocarbons (48.8 %) were mainly obtained from cork at 550 degrees C.
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页数：8
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