Optimization Study on the Microwave Drying of Red Mud Using Response Surface Methodology

ZHENG Xuemei; RAN Maokang; LUO Dengli; MA Aiyuan

doi:10.3969/j.issn.1000-6532.2025.01.023

2025 Vol. 46, No. 1

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Article navigation > Multipurpose Utilization of Mineral Resources > 2025 > 46(1): 174-180

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ZHENG Xuemei, RAN Maokang, LUO Dengli, MA Aiyuan. Optimization Study on the Microwave Drying of Red Mud Using Response Surface Methodology[J]. Multipurpose Utilization of Mineral Resources, 2025, 46(1): 174-180. doi: 10.3969/j.issn.1000-6532.2025.01.023

Citation:

ZHENG Xuemei, RAN Maokang, LUO Dengli, MA Aiyuan. Optimization Study on the Microwave Drying of Red Mud Using Response Surface Methodology[J]. Multipurpose Utilization of Mineral Resources, 2025, 46(1): 174-180. doi: 10.3969/j.issn.1000-6532.2025.01.023

Optimization Study on the Microwave Drying of Red Mud Using Response Surface Methodology

School of Chemistry and Materials Engineering, Liupanshui Normal University, Guizhou Provincial Key Laboratory of Coal Clean Utilization, Liupanshui 553004, Guizhou, China

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Corresponding author: MA Aiyuan, may_kmust11@163.com

Received Date: 06 April 2022

Publish Date: 25 February 2025

Abstract

Abstract

As a kind of industrial waste from aluminum production, red mud is rich in valuable metal elements and has high comprehensive utilization value. The effects of microwave power and material amount on the temperature rise behavior of red mud were investigated. The results show that the heating rate of red mud is directly proportional to the microwave power and inversely proportional to material amount. Based on the single factor experiment, the optimization experiment of response surface method was carried out. The effects of microwave power, material amount and drying time on the dehydration rate of red mud were investigated respectively. The mathematical model between each factor and dehydration rate was established, and the optimization process parameters of response surface of microwave clean drying red mud were obtained: Control of microwave drying temperature was 100 ℃, microwave power was 700 W, material quantity was 50 g, drying time was 12 min, dehydration rate of red mud was 97.95%, and the model prediction was similar (98.58%). The results laid a certain experimental foundation for the resource utilization of red mud.
- Red mud /
- Microwave drying /
- Dehydration rate /
- Response Surface

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References

[1]	吴世超, 朱立新, 孙体昌, 等. 赤泥综合利用现状及展望[J]. 金属矿山, 2019(6):38-44.WU S C, ZHU L X, SUN T C, et al. Comprehensive utilization status and prospect of red mud[J]. Metal Mine, 2019(6):38-44. Google Scholar WU S C, ZHU L X, SUN T C, et al. Comprehensive utilization status and prospect of red mud[J]. Metal Mine, 2019(6):38-44. Google Scholar
[2]	李义伟, 付向辉, 李立, 等. 赤泥综合回收利用研究进展及展望[J]. 稀土, 2020, 41(6):97-107.LI Y W, FU X H, LI L, et al. Research progress on comprehensive recovery of bauxite residue: a comprehensive review[J]. Chinese Rare Earths, 2020, 41(6):97-107. Google Scholar LI Y W, FU X H, LI L, et al. Research progress on comprehensive recovery of bauxite residue: a comprehensive review[J]. Chinese Rare Earths, 2020, 41(6):97-107. Google Scholar
[3]	ZHANG J Z, YAO Z Y, WANG K, et al. Sustainable utilization of bauxite residue (Red Mud) as a road material in pavements: a critical review[J]. Construction and Building Materials, 2021, 270(8):121419. Google Scholar
[4]	MICHELLE P B, LUCAS F A, LARISSA S R, et al. Evaluation and application of sintered red mud and its incorporated clay ceramics as materials for building construction[J]. Journal of Materials Research and Technology, 2020, 9(2):2186-2195. doi: 10.1016/j.jmrt.2019.12.049 CrossRef Google Scholar
[5]	李先海, 苏振楠, 谢显胜, 等. 赤泥掺合对水泥混凝土性能及微结构影响研究[J]. 轻金属, 2022(2):5-9.LI X H, SU Z N, XIE X S, et al. Study on the effect of red mud admixture on the performance and microstructure of cement concrete[J]. Light Metals, 2022(2):5-9. Google Scholar LI X H, SU Z N, XIE X S, et al. Study on the effect of red mud admixture on the performance and microstructure of cement concrete[J]. Light Metals, 2022(2):5-9. Google Scholar
[6]	Liu W C, Yang J K, Xiao B. Application of Bayer red mud for iron recovery and building material production from alumosilicate residues[J]. Journal of Hazardous Materials, 2009, 161(1):474-478. doi: 10.1016/j.jhazmat.2008.03.122 CrossRef Google Scholar
[7]	常军. 拜耳法赤泥综合回收铝和铁的研究[D]. 昆明: 昆明理工大学, 2018.CHANG J. Research on comprehensive recovery of aluminum and iron from red mud by bayer process[D]. Kunming: Kunming University of Science and Technology, 2018. Google Scholar CHANG J. Research on comprehensive recovery of aluminum and iron from red mud by bayer process[D]. Kunming: Kunming University of Science and Technology, 2018. Google Scholar
[8]	薛真, 薛彦辉, 王力. 拜耳法赤泥中铝铁的盐酸浸出过程研究[J]. 矿产综合利用, 2018(6):139-143.XUE Z, XUE Y H, WANG L. Study on the hydrochloric acid leaching process of aluminum and iron from Bayer process red mud[J]. Multipurpose Utilization of Mineral Resources, 2018(6):139-143. doi: 10.3969/j.issn.1000-6532.2018.06.029 CrossRef Google Scholar XUE Z, XUE Y H, WANG L. Study on the hydrochloric acid leaching process of aluminum and iron from Bayer process red mud[J]. Multipurpose Utilization of Mineral Resources, 2018(6):139-143. doi: 10.3969/j.issn.1000-6532.2018.06.029 CrossRef Google Scholar
[9]	路梦雨, 王智勇, 戴惠新, 等. 从赤泥中回收钪研究进展[J]. 矿产综合利用, 2021(5):9-16.LU M Y, WANG Z Y, DAI H X, et al. Research progress of recovering scandium from red mud[J]. Multipurpose Utilization of Mineral Resources, 2021(5):9-16. doi: 10.3969/j.issn.1000-6532.2021.05.002 CrossRef Google Scholar LU M Y, WANG Z Y, DAI H X, et al. Research progress of recovering scandium from red mud[J]. Multipurpose Utilization of Mineral Resources, 2021(5):9-16. doi: 10.3969/j.issn.1000-6532.2021.05.002 CrossRef Google Scholar
[10]	李博琦, 谢贤, 纪翠翠, 等. 赤泥提钛技术研究现状与展望[J]. 矿冶, 2020, 29(6):87-93.LI B Q, XIE X, JI C C, et al. Research status and prospect of titanium extraction technology from red mud[J]. Mining and Metallurgy, 2020, 29(6):87-93. doi: 10.3969/j.issn.1005-7854.2020.06.017 CrossRef Google Scholar LI B Q, XIE X, JI C C, et al. Research status and prospect of titanium extraction technology from red mud[J]. Mining and Metallurgy, 2020, 29(6):87-93. doi: 10.3969/j.issn.1005-7854.2020.06.017 CrossRef Google Scholar
[11]	高建阳. 氧化铝工业废弃赤泥直接还原技术研究[J]. 矿产综合利用, 2011(2):37-40.GAO J Y. Technological research on direct reduction of obsolete red mud in alumina industry[J]. Multipurpose Utilization of Mineral Resources, 2011(2):37-40. doi: 10.3969/j.issn.1000-6532.2011.02.011 CrossRef Google Scholar GAO J Y. Technological research on direct reduction of obsolete red mud in alumina industry[J]. Multipurpose Utilization of Mineral Resources, 2011(2):37-40. doi: 10.3969/j.issn.1000-6532.2011.02.011 CrossRef Google Scholar
[12]	张继军, 赵敏刚, 徐彦国. 新型组合干燥器在镍精矿干燥中的应用[J]. 化学工程, 2009, 37(1):8-10.ZHANG J J, ZHAO M G, XU Y G. Application of novel combination dryer in nickel concentrate drying[J]. Chemical Engineering (China), 2009, 37(1):8-10. doi: 10.3969/j.issn.1005-9954.2009.01.003 CrossRef Google Scholar ZHANG J J, ZHAO M G, XU Y G. Application of novel combination dryer in nickel concentrate drying[J]. Chemical Engineering (China), 2009, 37(1):8-10. doi: 10.3969/j.issn.1005-9954.2009.01.003 CrossRef Google Scholar
[13]	茹赛红, 曾晖, 方岩雄, 等. 微波干燥和热风干燥对金萱茶叶品质影响[J]. 化工进展, 2012, 31(10):2183-2186.RU S H, ZENG H, FANG Y X, et al. Effect of microwave drying and hot air drying on quality of Jin Xuan tea[J]. Chemical Industry and Engineering Progress, 2012, 31(10):2183-2186. Google Scholar RU S H, ZENG H, FANG Y X, et al. Effect of microwave drying and hot air drying on quality of Jin Xuan tea[J]. Chemical Industry and Engineering Progress, 2012, 31(10):2183-2186. Google Scholar
[14]	衡银雪, 郑旭煦, 殷钟意, 等. 黄精微波真空-热风联合干燥工艺研究[J]. 应用化工, 2018, 47(5):952-955.HENG Y X, ZHENG X X, YIN Z Y, et al. Study on the microwave vacuum-hot air combined drying process of polygonatum sibiricum[J]. Applied Chemical Industry, 2018, 47(5):952-955. doi: 10.3969/j.issn.1671-3206.2018.05.026 CrossRef Google Scholar HENG Y X, ZHENG X X, YIN Z Y, et al. Study on the microwave vacuum-hot air combined drying process of polygonatum sibiricum[J]. Applied Chemical Industry, 2018, 47(5):952-955. doi: 10.3969/j.issn.1671-3206.2018.05.026 CrossRef Google Scholar
[15]	马爱元, 郑雪梅, 孙成余, 等. 微波技术在材料制备与矿物冶金中的应用[J]. 稀有金属, 2019, 44(10):1094-1107.MA A Y, ZHENG X M, SUN C Y, et al. Application of microwave technology in mineral metallurgy and material preparation[J]. Chinese Journal of Rare Metals, 2019, 44(10):1094-1107. Google Scholar MA A Y, ZHENG X M, SUN C Y, et al. Application of microwave technology in mineral metallurgy and material preparation[J]. Chinese Journal of Rare Metals, 2019, 44(10):1094-1107. Google Scholar
[16]	刘璐, 魏光涛, 辛宗武, 等. 微波加热强化赤泥浸铁的研究[J]. 非金属矿, 2019, 42(6):6-10.LIU L, WEI G T, XIN Z W, et al. Study on the enhancement of iron leaching from red mud by microwave heating[J]. Non-metallic Minerals, 2019, 42(6):6-10. doi: 10.3969/j.issn.1000-8098.2019.06.002 CrossRef Google Scholar LIU L, WEI G T, XIN Z W, et al. Study on the enhancement of iron leaching from red mud by microwave heating[J]. Non-metallic Minerals, 2019, 42(6):6-10. doi: 10.3969/j.issn.1000-8098.2019.06.002 CrossRef Google Scholar
[17]	刘成龙, 周莉莉, 夏举佩, 等. 基于响应曲面法高效浸出煤矸石中钛的工艺优化[J]. 矿产综合利用, 2021(6):59-65.LIU C L, ZHOU L L, XIA J P, et al. Optimization of high-efficiency leaching of titanium from coal gangue with response surface method[J]. Multipurpose Utilization of Mineral Resources, 2021(6):59-65. doi: 10.3969/j.issn.1000-6532.2021.06.011 CrossRef Google Scholar LIU C L, ZHOU L L, XIA J P, et al. Optimization of high-efficiency leaching of titanium from coal gangue with response surface method[J]. Multipurpose Utilization of Mineral Resources, 2021(6):59-65. doi: 10.3969/j.issn.1000-6532.2021.06.011 CrossRef Google Scholar