Grinding of Biogenic Silica

IF 0.6 4区 材料科学 Q4 MATERIALS SCIENCE, CERAMICS Glass and Ceramics Pub Date : 2024-11-11 DOI:10.1007/s10717-024-00706-w
D. V. Andreev, A. I. Bezmenov, A. I. Zakharov
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Abstract

The article examines temperature conditions for the thermal synthesis of silica from rice husk and different conditions for subsequent milling. In the study, the following methods were used: elemental analysis, x-ray diffraction analysis, petrographic analysis, electron and atomic force microscopy, differential scanning calorimetry, and laser granulometry. The occurrence of silica was detected at about 650°C; its structure remained stable during pyrolysis and subsequent thermal treatment in the presence of air. Following thermal treatment at 1000 – 1100°C, cristobalite remained the predominant phase. The milling of thermal treatment products involved a significant loss of process efficiency due to the cellular structure of aggregates and their plastic failure.

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生物硅石的研磨
文章研究了从稻壳中热合成二氧化硅的温度条件以及随后碾磨的不同条件。研究采用了以下方法:元素分析、X 射线衍射分析、岩相分析、电子显微镜和原子力显微镜、差示扫描量热仪和激光粒度仪。在约 650°C 时检测到二氧化硅的存在;在热解和随后在空气中进行热处理的过程中,二氧化硅的结构保持稳定。在 1000 - 1100°C 的温度下进行热处理后,菱锰矿仍是主要相。由于聚集体的蜂窝状结构及其塑性破坏,热处理产品的研磨过程会大大降低加工效率。
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来源期刊
Glass and Ceramics
Glass and Ceramics 工程技术-材料科学:硅酸盐
CiteScore
1.00
自引率
16.70%
发文量
85
审稿时长
6-12 weeks
期刊介绍: Glass and Ceramics reports on advances in basic and applied research and plant production techniques in glass and ceramics. The journal''s broad coverage includes developments in the areas of silicate chemistry, mineralogy and metallurgy, crystal chemistry, solid state reactions, raw materials, phase equilibria, reaction kinetics, physicochemical analysis, physics of dielectrics, and refractories, among others.
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