Recently, the KDN4500 high purity nitrogen air separation plant supplied by GreenFir to Shanghai Gentech Co., Ltd.  was successfully put into operation after passing the performance assessment and acceptance.

The air separation plant is located in Yancheng City, Jiangsu Province. It is a set of high purity nitrogen plant with molecular sieve adsorption and purification at normal temperature, turbine expander expansion refrigeration, double column and double condenser reflux expansion, and with liquid nitrogen pump.