Abstract
A single-particle laminar-flow technique was used to study oxidation of four synthetic nickel mattes, which were screened into three size fractions. Experimental conditions were: reaction gas from N 2 + 21 to 75 vol-% O 2; gas preheating temperatures ranging from 500 to 1100°C. The four mattes were synthesized so that Ni/Cu ratios of 1 and 10 were obtained with high and low iron contents. Chemical analysis of the particles was used to determine the oxidation degree of the materials, and optical and scanning electron microscopy were used to detect their morphology, internal composition and structure. The best sulfur removal from the synthetic nickel mattes was achieved under the most oxidizing conditions with the finest size fraction. The matte with Ni/Cu = 1 and high iron content was found to be most reactive. The least reactive matte was with Ni/Cu = 10 and low iron content; the coarse fraction particles did not react at all under the conditions studied.
| Original language | English |
|---|---|
| Title of host publication | EPD Congress 1996 |
| Editors | Ray Y. Lin, Y.Austin Chang, Ramana G. Reddy, C.T. Liu |
| Pages | 53-61 |
| Number of pages | 9 |
| Publication status | Published - 1996 |
| MoE publication type | A4 Article in a conference publication |
| Event | TMS Annual Meeting and Exhibition - Anaheim, United States Duration: 4 Feb 1996 → 8 Feb 1996 Conference number: 125 |
Conference
| Conference | TMS Annual Meeting and Exhibition |
|---|---|
| Country | United States |
| City | Anaheim |
| Period | 04/02/1996 → 08/02/1996 |