塞尔维亚Kolubara矿盆地沉积矿物特征及天然放射性测定

IF 1.4 4区材料科学 Q3 MATERIALS SCIENCE, CERAMICS

Science of Sintering Pub Date : 2022-01-01 DOI:10.2298/sos2201039s

A. Šaponjić, S. Gyoshev, Z. Baščarević, Ljiljana Janković-Mandić, Gorica Ljubenov, Maja Kokunesoski

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引用次数: 0

摘要

来自塞尔维亚Kolubara采矿盆地的硅藻土和粘土矿物矿床是在许多领域具有很高经济潜力的天然材料。作为接收和处理的材料，硅藻土和粘土采用x射线衍射、压汞孔隙度法、粒度分布、扫描电镜和傅里叶变换红外光谱对其进行了表征。用伽马能谱法测定了硅藻土和粘土中天然放射性核素40K、226Ra、232Th和人为放射性核素137Cs的活性浓度。硅藻土和粘土中226Ra、232Th和40K的平均活性浓度分别为9、26和173 Bq kg-1和19、26和470 Bq kg-1。本研究旨在证明这些材料对环境是安全的，可在许多领域进一步使用。

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Characterization of sedimentary minerals from Kolubara mining basin, Serbia, with the determination of natural radioactivity

Diatomite (diatomaceous earth) and clay minerals deposits from the mining basin Kolubara, Serbia, are natural materials with high economic potential in many fields. As received and treated materials, diatomite and clay were characterized using X-ray diffraction, mercury intrusion porosimetry, particle size distribution, scanning electron microscopy, and Fourier-transform infrared spectroscopy. Activity concentrations for natural radionuclides 40K, 226Ra and 232Th and anthropogenic radionuclide 137Cs in diatomite and clay were determined by gamma spectrometry with HPGe detector. For diatomite and clay, the mean activity concentrations of 226Ra, 232Th and 40K were found to be 9, 26 and 173 Bq kg-1 and 19, 26 and 470 Bq kg-1, respectively. In the present study was to show that these materials are environmentally safe for further use in many fields.

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来源期刊

Science of Sintering 工程技术-材料科学：硅酸盐

CiteScore

2.50

自引率

46.70%

发文量

审稿时长

3.3 months

期刊介绍： Science of Sintering is a unique journal in the field of science and technology of sintering. Science of Sintering publishes papers on all aspects of theoretical and experimental studies, which can contribute to the better understanding of the behavior of powders and similar materials during consolidation processes. Emphasis is laid on those aspects of the science of materials that are concerned with the thermodynamics, kinetics and mechanism of sintering and related processes. In accordance with the significance of disperse materials for the sintering technology, papers dealing with the question of ultradisperse powders, tribochemical activation and catalysis are also published. Science of Sintering journal is published four times a year. Types of contribution: Original research papers, Review articles, Letters to Editor, Book reviews.