The study puts forward the clean production process of"Neutralized with carbide mud residue-Coagulated together with Coagulant XN-1——Neutralized with waste hydrochloric acid"to remove fluorine from the wastewater discharged from sulfuric acid plant.

Increasing mist eliminator capacity in existing sulphuric acid plant installations;

Revamping of pyrite concentrate drying system of Jiangtong-Wengfu's 400 kt/a sulphuric acid plant;

Design of fluidized bed roaster of a 100 kt/a sulphuric acid plant;

Discussion on some problems existing in the fan of sulfuric acid plant with 800 kt/a capacity and its countermeasures;

Retrofits of the Air Purifiers in 6×10~4t/a Sulfuric Acid Plants;

Finally,the congestion problems that hindered the normal sulfuric acid plant production were resolve