Atmospheric air typically consists of a mixture of gases, including nitrogen (78%), oxygen (21%), and trace amounts of other gases such as carbon dioxide (0.03%) and hydrogen. An oxygen concentrator is a device designed to extract and concentrate oxygen from ambient air by selectively removing nitrogen through a process known as Pressure Swing Adsorption (PSA). PSA technology is commonly used in oxygen concentrators, as it efficiently separates oxygen from the air using two adsorbent materials, typically zeolite. This process makes PSA-based concentrators more reliable and energy-efficient for delivering oxygen at medical-grade purity.
PSA works by exploiting the molecular properties and affinity of
gases for a zeolite (such as Natrolite) under varying pressure conditions to
separate oxygen from the air. The oxygen concentrator utilizing this PSA
technology is both cost-effective and efficient. Experimental results show that
the system can produce oxygen with a purity of approximately 94.7% at flow
rates of 0.5-3 L/min. This meets the needs of patients with Chronic Obstructive
Pulmonary Disease (COPD), who require oxygen with a purity of at least 90% at
similar flow rates.
When compared to commercially available oxygen concentrators, the
proposed system stands out for being highly cost-effective, lighter in weight,
and producing less noise. Additionally, it demonstrates long-term efficiency
with high oxygen purity. These features make it an ideal solution for
individuals who cannot afford expensive oxygen concentrators available on the
market.
Author
(s) Details
J.
Sofia Bobby
Department of BME, Jerusalem College of Engineering, Chennai,
Tamil Nadu, India.
Bharath
S
Department of BME, Jerusalem College of Engineering, Chennai,
Tamil Nadu, India.
Madhankumar
C
Department of BME, Jerusalem College of Engineering, Chennai,
Tamil Nadu, India.
Sudharsanam
K
Department of BME, Jerusalem College of Engineering, Chennai,
Tamil Nadu, India.
Ummathullah
U
Department of BME, Jerusalem College of Engineering, Chennai,
Tamil Nadu, India.
Please see the book here:- https://doi.org/10.9734/bpi/erpra/v1/3772
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