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Showing 1 to 1 of 1 for “"decomposition of spent acid"”.
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Untersuchungen über die Verbrennung von Flüssigschwefel mit Sauerstoff und Spaltung von Abfallsäuren in einem Drehofen zur Herstellung von Schwefeldioxid
… sulphur dioxide from solid and liquid sulphur, spent sulphuric acids and other high-calorific-value waste materials of the chemical industry. The raw materials used are converted in a rotary kiln with a moving coke bed at approximately 1000°C under a weak reducing atmosphere; the hydrocarbon …