This paper discusses information on coal-ash behavior in the temperature range suitable for liquid ash removal and shows how this is related to boiler design and fuel characteristics. A description of a method for predicting slag viscosity from ash analysis and fusion temperatures is given. Also, a method is shown for predicting the flux requirements to obtain desired slag flow characteristics from an unsatisfactory fuel.

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Durch Reduktion von Schwefeldioxid mit Aktivkohle in einem Fix‐ oder F lüssigbettreaktor bei Temperaturen um 12000 werden Schwefel, Kohlenmonoxid und mehr oder weniger große Mengen Kohlenoxysulfid erhalten.

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