Platanus orientalis L. leaves residue-derived biochar: investigating the effects of synthesis temperature

IF 3.5 4区工程技术 Q3 ENERGY & FUELS

Biomass Conversion and Biorefinery Pub Date : 2024-11-12 DOI:10.1007/s13399-024-06320-8

Sepehr Shakerizadeh, Iman Mobasherpour, Esmaeil Salahi, Mansour Razavi, Mohammad Mehdi Sabzehmeidani, Mahdi Takalo

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引用次数: 0

Abstract

There is a lot of controversy surrounding biochar at the moment because of its conflicting impacts on the environment. This means that a deeper insight into their characteristics must be gained. Within this study, Platanus orientalis L. (POL) leaf biomass was utilized as the feedstock for producing biochar (POLBC) via pyrolysis at three distinct temperatures: 500, 550, and 600 °C. Using a number of methods of analysis as X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), Brunauer–Emmett–Teller (BET), Barrett-Joyner-Halenda (BJH), adsorption–desorption isotherm and yield, pH, the Potential difference caused by biochar dispersion at neutral pH (PDBD) measurements, the impact of pyrolysis temperature on the chemical and physical properties of the synthesized biochars was investigated. Furthermore, thermogravimetric analysis (TGA) and differential thermal analysis (DTA) were conducted on the feedstock, while field emission scanning electron microscopy (FE-SEM), energy dispersive spectroscopy (EDS), elemental mapping, and pH point of zero charge (pH_pzc) analyses were performed on the optimized biochar (POLBC550). According to the results of this research, while the pyrolysis temperature rises, yield decreases while pH and PDBD of the biochar increase. The EDS analysis indicates that the O/C atomic ratio for POLBC550 was 0.32. Additionally, the TGA analysis indicates a weight loss of 89.3% in the feedstock at 700 °C.

Graphical abstract

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侧柏叶渣生物炭合成温度影响的研究

目前围绕生物炭有很多争议，因为它对环境的影响相互矛盾。这意味着必须更深入地了解它们的特征。在本研究中，利用Platanus orientalis L. （POL）叶片生物量作为原料，在500、550和600℃三种不同温度下热解生产生物炭（POLBC）。采用x射线衍射（XRD）、傅里叶变换红外光谱（FT-IR）、Brunauer-Emmett-Teller （BET）、Barrett-Joyner-Halenda （BJH）、吸附-解吸等温线及产率、pH、中性pH下生物炭分散引起的电位差（PDBD）测量等分析方法，研究热解温度对合成生物炭化学和物理性质的影响。对原料进行了热重分析（TGA）和差热分析（DTA），并对优化后的生物炭（POLBC550）进行了场发射扫描电镜（FE-SEM）、能谱分析（EDS）、元素映射和零电荷pH点（pHpzc）分析。研究结果表明，随着热解温度的升高，产率降低，而生物炭的pH值和PDBD值升高。EDS分析表明，POLBC550的O/C原子比为0.32。此外，TGA分析表明，在700°C时，原料的重量损失为89.3%。图形抽象

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来源期刊

Biomass Conversion and Biorefinery Energy-Renewable Energy, Sustainability and the Environment

CiteScore

7.00

自引率

15.00%

发文量

1358

期刊介绍： Biomass Conversion and Biorefinery presents articles and information on research, development and applications in thermo-chemical conversion; physico-chemical conversion and bio-chemical conversion, including all necessary steps for the provision and preparation of the biomass as well as all possible downstream processing steps for the environmentally sound and economically viable provision of energy and chemical products.