99/02022 Studies on the phase mineralogy and leaching characteristics of coal fly ash: Khanra, S. et al. Water, Air, Soil Pollut., 1998, 107, (1–4), 251–275
- Publisher
- Elsevier Science
- Year
- 1999
- Weight
- 205 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0140-6701
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✦ Synopsis
In Japanese) In this method, the fly ash is treated by adding of an oxidizing acid to the ash and heating the mixture at >lOO"C to decompose the dioxane. The fly ash may be extracted with water or HCI before the oxidation treatment. Platinum or palladium may be used as catalyst for the oxidation and the oxidizing acid is selected from HzSO,, and HNOj.
99102013
Physicochemical properties of unburned carbon from fly ash Ann, Y. K. and Yang, J. I. Chawon Risaikring, 1998, 7, (1). 14-19. (In Korean) Investigated were the physicochemical properties of residual or unburned carbon obtained from fly ash. The flotation method was used to extract carbon-enriched samples from fly ash. Analysis then took place on the carbon content and chemical composition of the recovered carbon sample. The ash in the carbon sample was also examined. The unburned carbon characterization included measurement of size distribution, surface area, crystal structure and density.