Vitrified Bauxite Residue (VBR)
Basic Information
| SREWay code | 206 |
|---|---|
| Name | Vitrified Bauxite Residue (VBR) |
| Is Public | Yes |
| Uploaded by | (not set) |
| Critically Assessed | No |
| Resource Category | WASTES RESULTING FROM EXPLORATION, MINING, QUARRYING, AND PHYSICAL AND CHEMICAL TREATMENT OF MINERAL / wastes from physical and chemical processing of metalliferous minerals / red mud from alumina production other than the wastes mentioned in 01 03 07 (EEA code: 01.03.09) |
| Category Type | SCM |
| Background information | VBR is an Fe-rich vitreous material produced by partial melting and rapid quenching of bauxite residue with siliceous and calcareous additives. It consists mainly of an Al₂O₃–SiO₂–CaO–FeO–Na₂O amorphous phase and is proposed as a novel SCM. |
| Location | KU Leuven, Belgium |
| Location Longitude | 3000 |
| Location Latitude | (not set) |
| Source | RWTH Aachen University, Germany |
| Comments | High Fe(II) content delays early cement hydration Limestone mitigates hydration retardation Reactivity comparable to GGBFS and calcareous fly ash Excellent workability, limited need for superplasticize |