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The hydrogen chloride removal characteristics of molded sodium-based sorbents containing sodium aluminate (NaAlO 2 ) were examined in simulated hot coal-derived gas. The reaction rate and absorbing capacity of the molded sorbent were lower in comparison to the particle sorbent, and the ability to remove hydrogen chloride to below 1 ppm lasted only a short time. For improved reactivity of molded...
Simultaneous removal of dust, alkaline and alkaline–earth metals, halides and sulfur compounds is required to enlarge application of coal-derived gas to the high-temperature fuel cells and the fuel synthesis through chemical processing. Because high calorific fuel gas, such as oxygen-blown coal gas, has high carbon monoxide content, high-temperature (above 450 °C) gas purification system is always...
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