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CANGAS Systems Company Limited

B516, GID International Center, 27 Nanbinhe Road, Xicheng District, Beijing, China 100055.

Factory: Shidai Road East, Gu'an Industrial Zone, Langfang City, Hebei Provice.

Phone: +86-10-63338130

Fax: +86-1063338230

E-mail: sales@can-gas.com

Website: www.can-gas.net

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CANGAS advanced time-proven 20-yr experience PSA Oxygen Generator for medical applications, hospitals

CANGAS Systems Company Limited | Updated: Jun 08, 2018

What is PSA?


Pressure swing adsorption (PSA) is a technology used to separate some gas species from a mixture of gases under pressure according to the species' molecular characteristics and affinity for an adsorbent material. It operates at near-ambient temperatures and differs significantly from cryogenic distillation techniques of gas separation. Specific adsorptive materials (e.g., zeolites, activated carbon, molecular sieves, etc.) are used as a trap, preferentially adsorbing the target gas species at high pressure. The process then swings to low pressure to desorb the adsorbed material. Nowadays the PSA technology is mainly used in CANGAS oxygen & nitrogen generators.


Applications of PSA technology

Hypoxic air fire prevention systems to produce air with a low oxygen content.


On purpose propylene plants via propane dehydrogenation. They consist of a selective medium for the preferred adsorption of methane and ethane over hydrogen.


Industrial Nitrogen generator units which employ the PSA technique produce high purity nitrogen gas (up to 99.9995%) from a supply of compressed air. But such PSA are more fitted to supply intermediate ranges of purity and flows.


Capacities of such units are given in Nm³/h, normal cubic meters per hour, one Nm³/h being equivalent to 1000 liters per hour under any of several standard conditions of temperature, pressure, and humidity.


For CANGAS PSA nitrogen generator : from 0.1 Nm³/h at 95% purity, to 10000 Nm³/h at 99.9995% purity.


For CANGAS PSA oxygen generator: up to 50000 Nm³/h with a purity between 90% and 99%.

Research is currently underway for PSA to capture CO2 in large quantities from coal-fired power plants prior to geosequestration, in order to reduce greenhouse gas production from these plants.

PSA has been discussed as a future alternative to the non-regenerable sorbent technology used in space suit Primary Life Support Systems, in order to save weight and extend the operating time of the suit.

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Established in 1998, CAN GAS SYSTMES COMPANY LIMITED, a reputable manufacturer of on-site nitrogen and oxygen plants and kinds of gases systems, has a production and R&D center with an area of 28,000 square meters, and passed ISO9001 quality management certification, BV certification and CE certification.

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Address: B516, GID International Center, 27 Nanbinhe Road, Xicheng District,Beijing, China 100055.

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