Exercise- i

A pyritic ore is reduced with hydrogen according to the following reaction:

 

The ore contains inert solid (gangue). Twenty five percent excess hydrogen is used, and the cinder (solid residue) remaining contains  by weight.

Calculate the volume of furnace gases (at  and 1 atm) per 100 kg of ore charged.



 

 

 Volume of furnace

                                           

 




Exercise ii  Do yourself


A limestone is analysed as  (weight% )  and insoluble matter

• How many kg of  could be obtained from 5000 kg of limestone?
  
• How many kg of carbon dioxide will be produced?

Ans (a) 2607.4 (b) 2048.6 kg