nitrogen protection - bleaching of nitrogen pulp - oxygen (ozone) petrochemical catalytic cracking oxygen rich oxygen raw materials, intermediate reactor cold source nitrogen
oxygen enriched ironmaking - oxygen stainless steel smelting - argon converter, electric furnace steelmaking - oxygen inert protection - nitrogen
glass oxygen enriched combustion oxygen inert protection nitrogen glass plasticity = oxygen
oxygen oxygen for medical breathing
photovoltaic - argon
hydrogen power. - hydrogen
lithium battery - oxygen, nitrogen
inert protection nitrogen packaging nitrogen integrated circuit wafer manufacturing = nitrogen
cold chain quick freezing nitrogen food packaging nitrogen beverage carbon dioxide and nitrogen
heat treatment of welding cutting
ozone denitration oxygen (ozone) water treatment ozone oxidation oxygen (ozone)