The Pressure Swing Adsorption Nitrogen Generator (abbreviated as PSA Nitrogen Generator) is a nitrogen generator designed and manufactured on the principle of gas separation with PSA technology. Usually two adsorbers are used, the automatic control system strictly controls the time sequence according to a certain programmable program, alternately carries out pressure adsorption and pressure reduction regeneration to carry out the separation of nitrogen and oxygen and obtain nitrogen of the required purity.

The production of hydrogen from natural gas consists of two parts: the conversion of gas vapor into converted gas and the purification of hydrogen using the PSA method. After compression and desulfurization, natural gas is mixed with water vapor. Under the action of nickel catalyst at a temperature of 750~850℃, natural gas is converted into converted gas consisting of hydrogen, carbon monoxide and carbon dioxide. The converted gas can be further converted into hydrogen and carbon dioxide by conversion technology, then the converted gas or reformed gas is purified and separated by PSA method to produce high purity hydrogen.

This process is based on the convenient source of methanol and desalting water as raw materials, at a temperature of 220-280°C, a special catalyst is catalyzed into converted gas containing hydrogen and carbon dioxide, the principle of which is as follows: Main reaction: CH3OH=CO+2H2 +90.7 kJ/mol CO+H2O=CO2+H2 -41.2 kJ/mol General reaction: CH3OH+H2O=CO2+3H2 +49.5 kJ/mol Auxiliary reaction: 2CH3OH=CH3OCH3+H2O -24.9 kJ/mol CO+3H2=CH4+H2O -+206.3 kJ/mol

PSA natural gas purification is a technology using adsorbent to separate gases such as methane, carbon dioxide and nitrogen in biogas to achieve the goal of methane enrichment. Biogas removes water through a liquid separation tank and then after desulphurization in a column enters PSA to produce natural gas product. Installation scale: 200~5000nm³/h.

After liquid separation in the vinyl chloride tail gas separator, a large amount of vinyl chloride and acetylene still remained, and the vinyl chloride and acetylene were concentrated for disposal by adsorption, which had high economic value. Installation scale: 100~10000nm³/h.

Tank and loading waste gas, tail gas containing VOC in petrochemical and chemical industries. It is first condensed using the PSA method and then disposed of by condensation, which meets environmental drainage requirements and allows the recycling of some organic matter. Installation scale: 100-3000nm3/h