Advancing the circular economy through the thermochemical conversion of waste to biochar: a review on sawdust waste-derived fuel

被引：24

作者：

Emenike, Ebuka Chizitere ^{[1
]}

Iwuozor, Kingsley O. ^{[1
]}

Ighalo, Joshua O. ^{[2
]}

Bamigbola, Joy O. ^{[3
]}

Omonayin, Ebenezer O. ^{[3
]}

Ojo, Happiness T. ^{[3
]}

Adeleke, Joy ^{[3
]}

Adeniyi, Adewale George ^{[3
,4
,5
]}

机构：

[1] Nnamdi Azikiwe Univ, Dept Pure & Ind Chem, Awka, Nigeria

[2] Nnamdi Azikiwe Univ, Dept Chem Engn, Awka, Nigeria

[3] Univ Ilorin, Dept Chem Engn, Ilorin, Nigeria

[4] Landmark Univ, Dept Chem Engn, Omu Aran, Nigeria

[5] Univ Ilorin, Dept Chem Engn, P M B 1515, Ilorin, Nigeria

来源：

BIOFUELS-UK | 2024年 / 15卷 / 04期

关键词：

Biochar; sawdust; thermochemical processes; pyrolysis; waste management; OF-THE-ART; HYDROTHERMAL CARBONIZATION; WOOD SAWDUST; BIOMASS GASIFICATION; PLASMA GASIFICATION; PROCESS PARAMETERS; SLOW PYROLYSIS; PHYSICOCHEMICAL PROPERTIES; DRY TORREFACTION; SCALE PYROLYSIS;

D O I：

10.1080/17597269.2023.2255007

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Biochar is a solid material that contains a lot of carbon and is created by heating biomass in an environment where there is little or no oxygen. It has become clear that biochar holds great promise for combating climate change, enhancing soil fertility, eliminating pollutants, and promoting effective waste disposal. In particular, sawdust biochar produced via thermochemical processes has drawn a lot of attention because of its affordability and abundant availability. This review paper presents a general summary of the production of sawdust biochar via thermochemical processes, including pyrolysis, hydrothermal carbonization, torrefaction, and gasification. It was observed that the specific yields and performance of these methods vary depending on the feedstock source, process parameters, and equipment used. Additionally, the properties of biochar, such as carbon content, surface area, and stability, also vary depending on the production method. The effects of operating factors on the sawdust-biochar production processes, such as temperature, heating rate, and residence duration, are also covered in the study. While challenges exist, ongoing research aims to improve biochar properties and applications, making it a valuable tool for climate-smart agriculture and sustainable land management.

引用

页码：433 / 447

页数：15

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