Although the technology of AirGreat to produce high-purity nitrogen is mature, but for cost reason some users who need for a great lot of nitrogen, still use the method of purifying low-purity nitrogen to manufacture high-purity nitrogen. This method could greatly reduce equipment operation cost. There are usually two kinds of methods to purified nitrogen: nitrogen purifying equipment by hydrogenation and by carbon.
Hydrogenation purifying equipment uses the method of catalytic deoxidization and adsorption drying. With the role of catalyst, H2O is produced and O2 is eliminated by chemical reaction in O2 and H2, 2H2+O2→2H2O+Q。And then drying equipment removed H2O, CO, dust and other impurities to get high-purity nitrogen by adsorption device.
For the reason of little H2 gas in the presence of product, the equipment is applying for the product without strict requirement about H2 gas.
The nitrogen purifying equipment by hydrogenation is composed by nitrogen analyzers, flowmeters, mass flow controller, programmable controller, deaerator tower, drying tower, dryer, cool freezing machine, heat exchanger, filters, pipes pneumatic valve, solenoid valve and control system etc.

System Flow


Features：
1. Efficient use of the world's leading desoxy catalyst with activity and good anti-toxic nature, the life of catalyst can be more than five years without heating and activation and regeneration;
2. Automatic control, automatically switches in absorption and regeneration, User could choose to match mass flow controller, add hydrogen automatically.
3. Adopted the famous pneumatic valve of BURKERT brand in Germany, Stable, security and reliable;
4. Scientific design, Compact structure, good appearance, covers an area of less;
5. Reduce temperature of desoxydated mixing gas by heat exchanger without cooling water；
6. The dew point of product gas usually lower -60 ℃,and could be under -70 ℃ to meet the requirements of special user;
7. Low gas emissions of regeneration, energy conservation.

Specification