Silicate Solid Waste Recycling

Dear Colleagues,

Further comprehensive utilization of industrial silicate solid wastes including red mud, coal gangue, fly ash, slag, and tailings are one of the biggest environment and safety concerns worldwide. At present there are many researchers focusing on this topic, and construction and building materials has been considered as the best way to reuse such a big amount of industry silicate solid wastes. For instance, coal gangue has been successfully recycled in aluminum silicate fiber and coal-gangue-fired hollow brick, while flay ash can be used in cementitious materials and road base course materials.

However, the further development of solid waste recycling faces great challenges. There are still many issues which should be further discussed: first, how to develop suitable phase diagrams for silicate solid waste and use them to guide the material design in silicate solid waste recycling. Second, how to reduce hazardous emissions in the recycling process of silicate solid wastes. Third, how to reuse silicate solid waste and apply supplementary cementitious materials in Portland cement systems. Finally, how to increase the recycling ratio of solid wastes and lower the demands of natural sources. All progress in these aspects will promote the development of low-carbon solid waste recycling, showing great economic and environmental benefits.

The aim of this Special Issue of Materials is to attract articles on new materials and innovative technologies on solid waste recycling in construction and building materials. We welcome original research or review articles with a clear application focus in these areas.

Prof. Dr. Yue Xiao
Assoc. Prof. Dr. Denis Jelagin
Prof. Dr. Hongbo Tan
Prof. Ing. Bohumír Strnadel
Guest Editors

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