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首页> 外文会议>The Meeting of the International Humic Substances Society >Application of Natural Organic Matter in the Biosynthesis of α-Alumina Nanoparticles: The Humic Sol-Gel Route
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Application of Natural Organic Matter in the Biosynthesis of α-Alumina Nanoparticles: The Humic Sol-Gel Route

机译：天然有机物在α-氧化铝纳米粒子的生物合成中的应用：腐殖液溶胶途径

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A new low-cost, low environmental impact methodology has been developed for the synthesis of nanostructured a-alumina. The proposed route employs the complexation capacity of natural organic matter (NOM). The parameters time, calcination temperature, mass, and initial pH were evaluated in order to develop a procedure that was simple, efficient, and had a low energy requirement. The a-alumina phase was produced after 4 h at pH 4.0 and a temperature of 1,000°C. This temperature was at least 200° C lower than those used previously for synthesis of alumina. Microscope images revealed the formation of structures with hollow spherical morphology. The results of EDS analyses showed that spurious phases were absent, in agreement with XRD measurements.
机译：为合成纳米结构A-氧化铝而开发了新的低成本，低环境影响方法。 拟议的途径采用天然有机物的络合能力（NOM）。 评估参数时间，煅烧温度，质量和初始pH值，以便开发简单，高效，并且能量要求的过程。 在pH 4.0至4小时后产生A-氧化铝相和1,000℃的温度。 该温度至少比以前用于合成氧化铝的那些温度为200℃。 显微镜图像揭示了具有中空球形形态的结构的形成。 EDS分析结果表明，与XRD测量一致，缺乏虚假阶段。

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