- Title
- Study of Victorian Brown Coal Dewatering by Super Absorbent Polymers using Attenuated Total Reflection Fourier Transform Infrared Spectroscopy
- Creator
- Devasahayam, Sheila; Bandyopadhyay, Sri; Hill, David
- Date
- 2016
- Type
- Text; Journal article
- Identifier
- http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/102222
- Identifier
- vital:10767
- Identifier
-
https://doi.org/10.1080/08827508.2016.1168417
- Identifier
- ISSN:08827508
- Abstract
- A simple and useful method to monitor the water content of coal samples using Attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy is presented. ATR-FTIR analyses of oven-dried and polymer-dried brown coal samples are discussed. The difference spectra indicate that the drying of as-received coal at room temperature using a Super Absorbent Polymer (SAP) removes only 44% of moisture compared to oven drying at 105 °C. As the SAP does not completely remove the water from the coal the possibility of explosion due to oxidation of the coal powder is greatly reduced. SAP drying is energy and emission efficient compared to oven drying method. At the pH < 5 studied SAP dewatering is dominated by physical processes. The movements in H-bonding observed in ATR-FTIR suggest a physico-chemical process. © 2016 Taylor & Francis.
- Publisher
- Taylor and Francis Inc.
- Relation
- Mineral Processing and Extractive Metallurgy Review Vol. 37, no. 4 (2016), p. 220-226
- Rights
- Copyright © 2016 Taylor & Francis.
- Rights
- This metadata is freely available under a CCO license
- Subject
- 0914 Resources Engineering and Extractive Metallurgy; ATR-FTIR; Brown coal; Oven drying; Super Absorbent Polymers
- Reviewed
- Hits: 405
- Visitors: 404
- Downloads: 0
| Thumbnail | File | Description | Size | Format |
|---|