The equipment technology for large-scale sulphuric acid production plant with sulfur has been well developed in the last ten years. However,some key equipment and vanadium catalyst are mostly imported.

• 近10年间,我国硫磺制酸大型装置装备技术得到了飞快发展,但其中的个别关键设备和钒催化剂以引进的居多。