油页岩废渣碱溶预处理制备硅铝合金的工艺与性能

Process and properties of silicon-aluminum alloy prepared by alkali digestion pretreatment of oil shale waste residue

摘要

本文聚焦于通过碱溶预处理技术从油页岩废渣制备硅铝合金的工艺及相关性能研究。首先阐述了碱溶预处理油页岩废渣的原理，详细分析了工艺过程中诸如碱浓度、反应温度、反应时间等关键参数对硅铝溶出率的影响。深入探讨了所制备硅铝合金的微观组织、力学性能以及耐蚀性能等。研究表明，合理控制碱溶预处理工艺参数，能够实现油页岩废渣中硅铝的高效提取与转化，所制备的硅铝合金具备良好的综合性能，为油页岩废渣的高值化利用提供了可行路径，有望推动相关产业的可持续发展。

Abstract

This study focuses on the process of preparing silicon-aluminum alloy from oil shale residue using alkaline leaching pretreatment, along with its performance characteristics. It first expounds the principle of alkaline pretreatment and analyzes key parameters (like alkali concentration, reaction temperature, and time) affecting silicon and aluminum dissolution rates. The microstructure, mechanical properties, and corrosion resistance of the prepared alloy are then examined. The research shows that optimized alkaline pretreatment parameters enable efficient extraction and conversion of silicon and aluminum from the residue. The resulting silicon-aluminum alloy exhibits favorable overall performance, offering a feasible pathway for high-value utilization of oil shale residue and promoting sustainable development in related industries.

关键词

油页岩废渣 / 碱溶预处理 / 硅铝合金 / 工艺参数 / 性能

Key words

oil shale residue / alkaline leaching pretreatment / silicon-aluminum alloy / process parameters / performance

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