Extraction of Metals - Result Question 66

####67. In the basic Bessemer process for the manufacture of steel, the lining of the converter is made up of … . The slag formed consists of ….

(1980,1M)

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Solution:

  1. Lime, calcium phosphate In basic Bessemer process, the Bessemer converter is lined with lime but in acid Bessemer process, it is lined with silica. In basic Bessemer process, phosphorus is slagged off as calcium phosphate :

P4+5O2P4O10 6CaO+P4O102Ca3(PO4)2  Thomas slag 



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