Exhausted Grape Marc Derived Biochars: Effect of Pyrolysis Temperature on the Yield and Quality of Biochar for Soil Amendment

被引：16

作者：

Frikha, Kawthar ^{[1
]}

Limousy, Lionel ^{[1
]}

Arif, Muhammad Bilal ^{[1
]}

Thevenin, Nicolas ^{[2
]}

Ruidavets, Lionel ^{[2
]}

Zbair, Mohamed ^{[1
]}

Bennici, Simona ^{[1
]}

机构：

[1] Univ Haute Alsace, Inst Sci Mat Mulhouse, F-68057 Mulhouse, France

[2] Rittmo Agroenvironm, Dept Agron, F-68025 Colmar, France

来源：

SUSTAINABILITY | 2021年 / 13卷 / 20期

关键词：

waste; exhausted grape marc; biochar; pyrolysis; soil amendment; THERMAL-DECOMPOSITION; RESIDUES; WASTE; VALORISATION; BENEFITS;

D O I：

10.3390/su132011187

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The present study focuses on the valorisation of winery industry wastes through slow pyrolysis of exhausted grape marc (EGM). The optimal pyrolysis parameters were firstly identified by small scale experiments carried out using thermogravimetric analysis. Nine pyrolysis temperatures were tested and their influence on the decomposition of the EGM residue and biochar yield was evaluated. Then, biochar production was conducted in a pilot plant at three chosen temperatures (450, 500 and 550 & DEG;C) at which the biochar was shown to be stable. The effects of biochar application to soil with respect to plant (ryegrass) growth was also evaluated. Pyrolysis of EGM at the 450-550 & DEG;C temperature range has been shown to generate thermally stable and nutrient-rich biochars, but only the biochar produced at 450 & DEG;C showed a marked benefit effect of ryegrass growth.

引用

页数：17

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