PM carbon molecular sieve contains a large number of micropores inside, and the micropores are between the diameters of oxygen and nitrogen molecules. When PSA pressure-switching adsorption of nitrogen, oxygen is preferred to be adsorbed due to its small diameter and rapid diffusion, and nitrogen is difficult to enter the micropores, achieving nitrogen-oxygen separation.
Carbon molecular sieve has the characteristics of large nitrogen production and high nitrogen recovery. It can produce a large amount of high-purity nitrogen, the nitrogen purity can up to 99.999%. During the air separation process, more nitrogen in the air can be converted into available products, greatly improving resource utilization efficiency and reducing production costs. At the same time, nitrogen-making molecular sieve has the characteristics of high hardness, not easy to break and long service life.
Nitrogen molecular sieve is mainly suitable for various types of PSA nitrogen generators. For example, in the petrochemical industry, nitrogen is used as an inert protective gas to isolate oxygen to prevent dangers; in metal heat treatment, nitrogen is used to create an oxygen-free environment to avoid metal oxidation and decarbonization, and improve product quality. In the electronic manufacturing industry, high-purity nitrogen is produced, used for chip manufacturing, component production, etc.; in the food preservation industry, nitrogen is used to regulate the packaging, replace oxygen, inhibit microbial growth and food oxidation, and extend the shelf life.
