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Nitrogenis presently being used in a broad spectrum of industries, laboratories, tank farms, mines, etc. In most applications, the N2 pressure required is less than 6 bar. Despite this, high pressure N2 cylinders are commonly used as source of N2, whose handling is quite hazardous & risky. A better option would be to produce your own low pressure N2 by installing ourNitrogen Generator.
Nitrogen as an inert gas is a very valued lab gas and is used for a number of lab applications.
Application:Nitrogen finds its application in labs in Auto samplers, GCs, LC/MS, Spectrometer, Nuclear Magnetic resonance (NMR), Protein analyzer, Solvent evaporators, Thermal galvanic Analyzer(TGA), Total Organic Carbon Analyzer etc.
Nitrogen is widely used in Gas chromatography because Most gas chromatography column stationary phases are based on modified polysiloxane or polyethylene glycol materials. These materials oxidize in the presence of oxygen at elevated temperatures. This behavior, known in part as bleed, will very quickly degrade the performance of the column.
FOR Liquid Chromatography-Mass Spectrometry (LCMS)LC-MS uses a HPLC system but at the point of the liquid mobile phases leaving the column the liquid sample is sprayed to produce micro-droplets. These evaporate rapidly releasing ionized analyte molecules which can then be separated in the MS. Large flow sprays can benefit from additional atomization or nebulisation using a high flow of Nitrogen.
| Sr. No. | Model | Purity |
| 1 | SEPLG2 | 99.999% |
| 2 | SEPLG5 | 99.999% |
Oxygen is conventionally produced from air by cryogenic separation process. This is a power intensive & high pressure process which requires power of approx. 1.2 KWH/NM3 of oxygen. The VPSA Process separates oxygen from air at a low pressure
While Cryogenic Plants require high capex, VPSA Plants require relatively lower capital. For small capacity requirements, ourPSA Oxygen Generatorcan be used.
Air from a Blower is first cooled in an Aftercooler to reduce its moisture content and condensed moisture is separated in Moisture Separator. The cooled air passes through a Tower containing an a adsorbent which has the property to separate oxygen from the air resulting in a gas contains 93% oxygen (balance being argon & nitrogen) coming out as product gas. To ensure continuous flow of product gas, the other Tower is simultaneously regenerated by extracting the gases adsorbed in the previous cycle by a Vacuum Pump. Automatic operation is achieved by opening & closing the valves in a preset sequence by using a PLC. Cost of producing this oxygen is < 0.5 KWH at 0.2 bar pressure. There is a small increment in this due to power required for boosting pressure to required value, but this never exceeds0.6 KWH/NM3.Overall cost of VPSA oxygen is Rs.5/- to 6/- per NM3 as against Rs. 10/- to 15/- for liquid O2.
