Abstract
The characteristics of top charging coke (coke 1) and stamp charging coke (coke 2) were investigated. The weight loss ratios of two kinds of cokes with and without alkalis were measured after reacting with CO2 under the temperature of 900, 1000, 1100 and 1200 °C respectively. The microstructures of original cokes were observed by SEM. The experiment results show that, with no addition of alkali, the weight loss ratios of coke 1 and coke 2 were nearly the same under the temperature of 900 and 1000 °C. While the weight loss ratio of coke 2 was much larger than coke 1 under the temperature of 1200 °C. With alkali-rich, the weight loss ratio of the two cokes was almost the same at 1100–1200 °C.
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