Why the Impurity of Arsenic Oxide Must Be Removed before Passing the Mixture of So4 and Air Through the Catalytic Chamber? - Chemistry
Why the impurity of arsenic oxide must be removed before passing the mixture of SO2 and air through the catalytic chamber?
Impurity of ARSENIC poisons the catalyst [i.e. deactivates the catalyst]. So, it must be removed before passing the mixture of SO2 air through the catalytic chamber.
Concept: Manufacture of Sulphuric Acid (Constant Process)
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