Nitrogen generator can be used in sewage treatment plant and other related treatment settings. Specifications:1) Capacity: 1 - 5000Nm3/ hr2) Purity: 90 - ... and blowing ,etc. Used in fields such as metal heating treatment, powder metallurgy, magnetic material,copper process, metallic mesh, ... , polyurethane, biological technology, intermediate, etc. Nitrogen Generator for Sewage Treatment Plant