Manufacturing zinc sulphate heptahydrate

Dear Sir,

I am student of Chemical Engineering in PUNJAB UNIVERSITY LAHORE PAKISTAN. Sir, I am in final professional and have an assignment on manufacturing of Zinc sulphate heptahydrate on commercial level, with respect to its Plant Design and Process with different concentrations of Sulphuric Acid and Zinc Ash.

Sir, I will much obliged if you kindly send me useful information about my Assignment, it will set my bright future. Looking for positive response.

Thanks and regards,