Recycling Fly Ash and Red Mud to Manufacture Self-Foaming Ceramic Foams

Jiang, Congcong

doi:10.13168/cs.2020.0011

Cited by 5 publications

(1 citation statement)

References 24 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Based on RM, quartz sand, fluorite, manganese and chromiumcontaining wastes, decorative and other black glass materials have been successfully produced, with acceptable mechanical strength, chemical resistance and optical properties [41][42][43].…”

Section: Usage Of Waste From Aluminium Production In the Constructionmentioning

confidence: 99%

Utilization Processing of Waste of Alumina Production Into Water Treatment Reagents

Астрелін¹,

Косогіна²,

Kyrii³

et al. 2020

View full text Add to dashboard Cite

Continuous accumulation of waste from alumina production "red mud" leads to contamination of large land areas, reservoirs, and soils and is a potential threat of environmental catastrophe, that leads to the urgent need to find and implement rational ways of its recycling. The most studied areas for alumina wastes recycling include the production of building materials and metals extraction. Red mud acts as a binder filler in the field of production of building materials. Products based on such filler have higher heat resistance, strength and density compared to the control samples. The obtained concrete samples are more resistant to negative temperatures due to the high alkalinity of the filler. However, analyzing the results of existing studies about precious metals extraction from the red mud, its usage in the construction industry, as soil improvers etc., we can conclude that today there are no economically and environmentally justified technologies that would allow red mud utilization in industrial-scale. This is prevented by its high alkalinity, small particle size, complex chemical and mineralogical composition. Red mud is mainly composed of iron and aluminium oxides, which characterizes it as an attractive secondary raw material. Based on a critical analysis of the results of the work on the disposal of red mud by foreign and domestic researchers, it is possible to outline a promising direction of red mud recycling. Namely, it is the creation of water treatment reagents that can be effective for the removal of organic pollutants of natural and human-made origin. Creating water treatment reagents with the full use of red mud as a raw material can help to solve the problem of accumulation of the latter and provide inexpensive and effective reagents in the relevant field.

show abstract

Section: Usage Of Waste From Aluminium Production In the Constructionmentioning

confidence: 99%