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Preparation and Characterization of Tungsten Tailing-based Geopolymers by Yili Zeng; Nan Duan; Caiping Fu; Dejin Liao; Xiaolan Song; Shengming Jin; Kuixin Cui is a Materials Science article available to read on EtoBox.
What is Preparation and Characterization of Tungsten Tailing-based Geopolymers about?
Using tailings to prepare constructive materials is of great significance for sustainable development of mineral processing industry. In this study, the possibility of preparing tungsten tailing-based geopolymers was explored in detail. XRD, FTIR, PLM, SEM and XPS analyses were carried out to characterize the phase composition, chemical bonding, microstructure, chemical state, and interface properties of tungsten tailing-based geopolymers. Results showed tungsten tailings presented little activity using NaOH as activator, while geopolymers with 60% non-pretreatment tungsten tailing and 40% metakaolin presented a 3-day compressive strength of 8.4 MPa and 28-day compressive strength of 9.1 MPa. The geopolymerization products of tungsten tailing-based geopolymers were N-A-S-H gels and aluminosilicate zeolite crystals, while tungsten tailings were wrapped by metakaolin-derived geopolymerization phases as aggregates with interfaces containing Si–O–Si bonding between quartz in tungsten tailings and zeolite and/or gel phase in metakaolin-derived geopolymer in the geopolymerization process. Besides, the leaching test results indicated that the immobilization efficiency of T6M4 geopolymers
Who reads Preparation and Characterization of Tungsten Tailing-based Geopolymers?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Yili Zeng; Nan Duan; Caiping Fu; Dejin Liao; Xiaolan Song; Shengming Jin; Kuixin Cui
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Materials Science (Physical Sciences)