Bessemer converter operation: interpreting the white flame Statement to evaluate: “The dying down of the white flame during Bessemer blowing indicates that the air is burning out silicon and manganese.” Decide whether the statement is correct or incorrect.
Mechanical Engineering
Engineering Materials
Difficulty: Easy
Choose an option
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ACorrect (True)
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BIncorrect (False)
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CTrue only for acid converters
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DTrue only at the start of the blow
Answer
Correct Answer: Incorrect (False)
Explanation
ConceptIn the Bessemer process, Si and Mn oxidize first, and then C is oxidized vigorously, producing the characteristic bright/white flame. The flame dying down signals that carbon has been largely removed, not that Si and Mn are being burned out (that occurs earlier).
Final AnswerIncorrect (False)