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摘要:
赤泥是生产氧化铝过程中产生的固体废渣，由于工艺原因，赤泥的总量大，而且其元素成分又极其复杂，无法得到有效的利用，导致赤泥占用大量的土地，既浪费了资源，又污染了环境。本文总结了赤泥利用的研究现状，分析了赤泥的应用前景，并提出建议，为相关赤泥的研究提供思路。
Abstract:Red mud is a solid waste generated in the process of producing aluminum oxide. Due to technological reasons, the total amount of red mud is large, and its elemental composition is extremely complex and can not be effectively used. As a result, red mud has to occupy a large amount of land, which is not only waste of resources, but also pollutes the environment. This paper summarizes the research status of the use of red mud, analyzes the application prospects of red mud, and puts forward suggestions for the study of red mud.
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Key words:
- red mud /
- structural material /
- adsorption agent /
- metal recycling
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表 1 不同类型赤泥的化学成分 /%
Table 1. Chemical compositions of different types of red mud
Red mud types Bayer red mud Red mud by sintering process Red mud by combined process SiO2 3~20 20~23 20.0~20.5 CaO 2~8 46~49 43.7~46.8 Al2O3 10~20 5~7 5.4~7.5 Fe2O3 30~60 7~10 6.1~7.5 MgO - 1.2~1.6 - Na2O 2~10 2.0~2.5 2.8~3.0 K2O - 0.2~0.4 0.5~0.7 TiO2 0.1~10 2.5~3.0 6.1~7.7 Loss of ignition 10~15 6~10 - 
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| 引用本文: |
廖仕臻, 杨金林, 马少健. 赤泥综合利用研究进展[J]. 矿产保护与利用, 2019, 39(3): 21-27. doi: 10.13779/j.cnki.issn1001-0076.2019.03.004
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| Citation: |
LIAO Shizhen, YANG Jinlin, MA Shaojian. Research Progress in the Comprehensive Utilization of Red Mud[J]. Conservation and Utilization of Mineral Resources, 2019, 39(3): 21-27. doi: 10.13779/j.cnki.issn1001-0076.2019.03.004
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