Oxygen is separated from air using unique zeolite ceramic molecular sieves. Dry, oil free air at ambient temperature and elevated pressure is passed through vessels (adsorbers) containing molecular sieve. The sieve holds on to (adsorbs) nitrogen molecules in preference to the oxygen molecules, thus separating oxygen from air. The nitrogen molecules are released (desorbed) from the sieve when the pressure in the adsorber is reduced, thus making the sieve fresh again (regeneration). Typically two vessels are employed for continuous supply of oxygen. The entire cycle is microprocessor controlled and no operator attention is required for normal operation.

Gastech Gas Mixer is based on the principle that a constant upstream pressure and a constant pressure drop across a fixed flow resistance results in a constant flow rate. The two adjustable orifices in the needle valves provided in the system, with their respective built-in flow resistances assure constant flow of individual gases in the desired proportion independent of the downstream pressure. The upstream pressures are controlled by the respective pressure regulators. The individual flows are engineered such that when mixed together, a mixture of the desired proportion is produced.

Nitrogen is separated from air using unique Carbon molecular sieves (CMS). Dry, oil free air at ambient temperature and elevated pressure is passed through vessels (adsorbers) containing molecular sieve. The sieve holds on to (adsorbs) Oxygen molecules in preference to the nitrogen molecules, thus separating nitrogen from air. The oxygen molecules are released (desorbed) from the sieve when the pressure in the adsorber is reduced, thus making the sieve fresh again (regeneration). Two vessels are employed for continuous supply of nitrogen. The entire cycle is microprocessor controlled and no operator attention is required for normal operation. The only running cost is electricity. There are no other costs such as rentals for cylinderstanks, deposits, transportation, taxes. No manpower is needed to procure, load, unload, connect and disconnect heavy high pressure cylinders. And the risk of running out due to unpredictable deliveries is eliminated.

Gastech has designed & developed the LPG vaporizer based on thermodynamic properties of LPG liquid. Liquid LPG from the tank bullet is allowed to flash in a controlled manner. Flashing reduces the temperature & pressure of LPG. Flashed cool LPG is brought back to ambient temperature by a specially designed heat exchanger wherein the required heat is extracted from water at ambient temp. LPG vapor at ambient temperature and reduced pressure is then fed to the existing house line.The required water can be taken from the normal plant cooling water line and returned to the return line.This gives additional advantage of reducing cooling load on cooling tower.

Dry, oil free air at ambient temperature and elevated pressure is passed through vessels (adsorbers) containing molecular sieve. The sieve holds on to (adsorbs) Oxygen molecules in preference to the nitrogen molecules, thus separating nitrogen from air. The oxygen molecules are released (desorbed) from the sieve when the pressure in the adsorber is reduced, thus making the sieve fresh again (regeneration). Two vessels are employed for continuous supply of nitrogen. The entire cycle is microprocessor controlled and no operator attention is required for normal operation.

The only running cost is electricity. There are no other costs such as rentals for cylinderstanks, deposits, transportation, taxes. No manpower is needed to procure, load, unload, connect and disconnect heavy high pressure cylinders. And the risk of running out due to unpredictable deliveries is eliminated.