タイトルまたは説明

In **0~**0℃,by combustion of carbon catalyst,the oxygen which in the raw gas nitrogen will reaction with carbon of deoxidlizer,product CO2,then through cooling and adsorption and etc ways remove the water CO2 and dust,to obtain high purity nitrogen 
In **0~**0℃,by combustion of carbon catalyst,the oxygen which in the raw gas nitrogen will reaction with carbon of deoxidlizer,product CO2,then through cooling and adsorption and etc ways remove the water CO2 and dust,to obtain high purity nitrogen