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The Use of Red Mud in Agricultural Soil Cadmium Remediation: A Critical Review [PDF]

Toxics
Red mud is a highly alkaline solid waste with an annual emission of over 200 million tons, which requires large-scale utilization methods. Soil Cd remediation is a global concern, due to its high toxicity and strong mobility.
Weiwei Sun, Wenyi Xie, Lei Wang, Lei Wang, Yang Gong, Xuwei Li, Chi Wang, Jiali Yan, Xiaochen Lin   +8 more
doaj   +2 more sources

Applying Red Mud in Cadmium Contamination Remediation: A Scoping Review [PDF]

Toxics
Red mud is an industrial solid waste rarely utilized and often disposed of in landfills, resulting in resource waste and environmental pollution. However, due to its high pH and abundance of iron and aluminum oxides and hydroxides, red mud has excellent ...
Jintao Li, Xuwei Li, Matthew Fischel, Xiaochen Lin, Shiqi Zhou, Lei Zhang, Lei Wang, Jiali Yan   +7 more
doaj   +2 more sources

Study on Water Damage Resistance of Red Mud Mineral Powder Asphalt Mixture

Kuangchan zonghe liyong, 2022
In order to solve the problem of red mud waste discharged in aluminum industry, to improve the reuse rate of waste resources, and to improve the corrosion resistance of asphalt mixture, the "dry modification" method was used to make red mud asphalt ...
Shanchun Fu, Dongdong Wang, Hongyan Shen
doaj   +1 more source

Selective Leaching Trace Elements from Bauxite Residue (Red Mud) without and with Adding Solid NH₄Cl Using Microwave Heating

Metals, 2021
Bauxite residue (red mud), which is an industrial byproduct, contains valuable trace elements. Solid NH4Cl was used as a chlorinating agent during the microwave heating of red mud to convert trace elements into soluble metal chloride.
Jin-Seok Kim, Nag-Choul Choi, Ho Young Jo   +2 more
doaj   +1 more source

Research Progress in the Application of Red Mud in Water, Soil and Air Environmental Treatment

Kuangchan zonghe liyong, 2022
As the largest alumina producer in the world, China produces a large amount of red mud that has a serious impact on the environment. For many years, China has attached great importance to the treatment of red mud, focusing on the sustainable development ...
Haoxue Ran, Mingqi Xie, Yan Zhu, Hongyan Zhou, Zhe Chen, Jie Liu, Dunqiu Wang   +6 more
doaj   +1 more source

Comparison of the Effects of Ultrasonic and Ball Milling on Red Mud Desulfurization

Metals, 2022
Red mud desulfurization is an environmentally friendly desulfurization technology. After desulfurization, the acidity of red mud slurry continues to be neutralized for processing new red mud, and no waste acid is generated. At present, there is a lack of
Xueke Li, Yan Liu, Tingan Zhang
doaj   +1 more source

The Effect of Red Mud Content on the Compressive Strength of Geopolymers under Different Curing Systems

Buildings, 2021
To maximize the utilization of red mud in geopolymers, a red mud–metakaolin (RM-MK) geopolymer and red mud–fly ash (RM-FA) geopolymer were prepared, respectively.
Tao Ai, Danni Zhong, Yao Zhang, Jingshan Zong, Xin Yan, Yanhui Niu   +5 more
doaj   +1 more source

Hydrocarbon Cracking Over Red Mud and Modified Red Mud Samples [PDF]

Journal of Sustainable Metallurgy, 2016
The aluminum industry generates large quantities of red mud during the beneficiation of bauxite ore. The red mud is disposed of as a waste in dry or wet form. Given the issues with its disposal due to the large volume and high alkalinity, many research groups and industries have examined the use of red mud for different applications. The use of red mud
A. I. Alharthi, J. S. J. Hargreaves, I. D. Pulford, N. Gupta, M. Balakrishnan, V. S. Batra, R. K. Singh   +6 more
openaire   +1 more source

Review on the application and development of red mud-based photocatalytic materials for degradation of organic pollutants in water

工程科学学报, 2021
Red mud is a strong alkaline solid waste that is discharged from alumina production process. Its cumulative storage and annual emission are huge with about 0.8–1.5 t of red mud emitted for 1 t of alumina produced.
Ya-guang WANG, Xiao-ming LIU
doaj   +1 more source

Multiscale Study on the Modification Mechanism of Red Mud Modified Asphalt

Advances in Materials Science and Engineering, 2020
Red mud, a waste residue of aluminium industry, was used as modified asphalt material to prepare red mud modified asphalt and red mud modified asphalt under freeze-thaw cycles.
Tao Fu, JianHui Wei, Huiming Bao, Junlin Liang   +3 more
doaj   +1 more source