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