Effect of Carbonization Temperature on the Physicochemical and Sorption Properties of Coals from Plant Biomass for Removing Dyes from Solutions

IF 0.3 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Inorganic Materials: Applied Research Pub Date : 2025-09-24 DOI:10.1134/S2075113325701485

A. H. K. Kadum, D. A. Badin, S. O. Rybakova, I. V. Burakova, A. E. Burakov, T. P. Dyachkova, A. G. Tkachev

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Abstract

This work is devoted to the synthesis and determination of physicochemical properties of biochars obtained by hydrothermal carbonization (HTC) of plant biomass, in particular, peach waste. The influence of material processing modes on the physicochemical properties of materials was assessed; namely, the features of changes in the crystal structure and chemical composition depending on the carbonization temperature of samples were determined. Scanning electron microscopy, energy-dispersive elemental analysis, IR Fourier spectroscopy, Raman spectroscopy, and X-ray phase analysis were used to analyze the physical, chemical and morphological characteristics. It is shown that, with an increase in the carbonization temperature, the concentration of elemental carbon in samples increases and the content of functional groups decreases. Sorption studies were carried out under static conditions on model solutions of organic dyes—methylene blue (MB) and Congo red (CR). It was found that carbonization increases the adsorption capacity of HTC coals by 2.5–3 times, but, in general, does not affect the sorption absorption rate. The equilibrium time for both dyes was 15 min.

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炭化温度对植物生物质煤的物理化学和吸附性能的影响

本文主要研究了植物生物质，特别是桃树废弃物水热炭化制备生物炭的合成及理化性质的测定。评价了材料加工方式对材料理化性能的影响；即测定了样品的晶体结构和化学成分随炭化温度的变化特征。采用扫描电子显微镜、能量色散元素分析、红外傅立叶光谱、拉曼光谱和x射线相分析等方法分析了材料的物理、化学和形态特征。结果表明，随着炭化温度的升高，样品中元素碳浓度升高，官能团含量降低。在静态条件下，对有机染料亚甲基蓝（MB）和刚果红（CR）的模型溶液进行了吸附研究。碳化后HTC煤的吸附量提高2.5 ~ 3倍，但总体上不影响吸附吸收率。两种染料的平衡时间均为15 min。

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来源期刊

Inorganic Materials: Applied Research Engineering-Engineering (all)

CiteScore

0.90

自引率

0.00%

发文量

199

期刊介绍： Inorganic Materials: Applied Research contains translations of research articles devoted to applied aspects of inorganic materials. Best articles are selected from four Russian periodicals: Materialovedenie, Perspektivnye Materialy, Fizika i Khimiya Obrabotki Materialov, and Voprosy Materialovedeniya and translated into English. The journal reports recent achievements in materials science: physical and chemical bases of materials science; effects of synergism in composite materials; computer simulations; creation of new materials (including carbon-based materials and ceramics, semiconductors, superconductors, composite materials, polymers, materials for nuclear engineering, materials for aircraft and space engineering, materials for quantum electronics, materials for electronics and optoelectronics, materials for nuclear and thermonuclear power engineering, radiation-hardened materials, materials for use in medicine, etc.); analytical techniques; structure–property relationships; nanostructures and nanotechnologies; advanced technologies; use of hydrogen in structural materials; and economic and environmental issues. The journal also considers engineering issues of materials processing with plasma, high-gradient crystallization, laser technology, and ultrasonic technology. Currently the journal does not accept direct submissions, but submissions to one of the source journals is possible.