The first set of ASU plant with hydrogen-free rectified argon process of our company is KDONAr-2500/2300/70Y, which was successfully commissioned on 2004. Height of cold box is 37 meters.
The first set of liquid plant with hydrogen-free rectified argon process is KZOAr-1100Y/35Y, which was successfully commissioned in 2006 with stable running till now. Height of cold box is 35 meters. Up till now, it is the smallest hydrogen-free rectified argon plant in China.
