ASU(air separation plant supplier) is the plant to make raw air into liquid through compression recycle cryogenic method, then separate the liquid air into gas oxygen, gas nitrogen and gas argon with rectification process. ASU is widely applied into many industries such as traditional metallurgy, new coal chemical, big scale nitrogen fertilizer and professional gas supply.
In brief, the ASU system process include:
Heat exchanging system
Product delivery system
Rectification column system
Production compression system.