The Effect of the Calcination Temperature on the Physical, Chemical and Mineralogical Characteristics of Sugar Cane Bagasse Ash (SCBA) for Use As Pozzolan

Q4 Environmental Science

Journal of Solid Waste Technology and Management Pub Date : 2021-08-01 DOI:10.5276/jswtm/2021.546

T. A. Santos, Raquel Arraes Argolo, D. V. Ribeiro

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引用次数: 1

Abstract

Statement of Novelty: This study analyzes the influence of the washing process and the calcination temperature on the morphological, physical, chemical and mineralogical characteristics of SCBA. The objective of the present study is to evaluate the morphological, physical, chemical and mineralogical characteristics of sugar cane bagasse ash (SCBA). The ashes were obtained by calcination of sugarcane bagasse (SCB), a waste product generated by the sugar and alcohol industry, at temperatures of 500°C, 600° C and 700°C, and the influence of this calcination on the pozzolanic activity of SCBA. The techniques used to characterize these ashes include helium gas picnometry, sedigraphy, scanning electron microscopy (SEM), X-ray fluorescence (XRF), X-ray diffractometry (XRD) and Fourier transform infrared spectrometry (FTIR). The evaluation of the pozzolanicity of these ashes was carried according to chemical titration method as proposed by Fratini, modified Chapelle method and finally using the pozzolanic activity index (PAI) with cement. The results showed that the SCBA presented high pozzolanicity, regardless of the calcination temperature.

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煅烧温度对蔗渣灰(SCBA)物理、化学和矿物学特性的影响

新颖性陈述：本研究分析了洗涤过程和煅烧温度对SCBA形态、物理、化学和矿物学特征的影响。本研究的目的是评估甘蔗渣灰（SCBA）的形态、物理、化学和矿物学特征。灰烬是通过在500°C、600°C和700°C的温度下煅烧甘蔗渣（SCB）获得的，甘蔗渣是糖和酒精工业产生的废物，以及这种煅烧对SCBA火山灰活性的影响。用于表征这些灰烬的技术包括氦气光度法、静电迁移法、扫描电子显微镜（SEM）、X射线荧光法（XRF）、X光衍射法（XRD）和傅里叶变换红外光谱法（FTIR）。根据Fratini提出的化学滴定法、改进的Chapelle法，最后用水泥的火山灰活性指数（PAI）对这些灰的火山灰性能进行了评价。结果表明，无论煅烧温度如何，SCBA都具有较高的火山灰性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Solid Waste Technology and Management Environmental Science-Waste Management and Disposal

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： The Journal of Solid Waste Technology and Management is an international peer-reviewed journal covering landfill, recycling, waste-to-energy, waste reduction, policy and economics, composting, waste collection and transfer, municipal waste, industrial waste, residual waste and other waste management and technology subjects. The Journal is published quarterly (February, May, August, November) by the Widener University School of Engineering. It is supported by a distinguished international editorial board.