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Oxygen from air by pressure swing adsorption
Author(s)
Nelson, Peter Robert
Date Issued
1993
Type
Thesis
Publisher
Cape Technikon
Abstract
The main objective of the work outlined in tills project is to create an awareness of Pressure
Swing Adsorption (PSA) Processes, their application to oxygen production systems in the
RSA and the construction and testing of a pilot plant, built to assess an overseas design.
Available oxygen PSA technology was examined from a theoretical approach, right through
to practical applications. The aim was not to re-invent the technology, but to review what
technology is available and to assess its suitability for the South African Industrial Sectors.
This was undertaken by investigating all PSA processes that are available to market the
product to industry.
The technology review includes an investigation of overseas PSA technologies and compares
these modes of technology with the technology that is readily available to Afrox Limited, a
major gas supplier in South Africa. This resulted in the technology from the British Oxygen
Company being thoroughly reviewed, examined and compared to various other modes of
technology.
The basic principals of adsorption are discussed to give the reader an understanding of the
factors that influence efficient adsorption and adsorbent regeneration. The parameters that
defme when adsorption separation processes are applicable to the separation of atmospheric
gases are also discussed. The different types of PSA plant layout are discussed in great
detail and it is explained when each plant layout type would be used.
Swing Adsorption (PSA) Processes, their application to oxygen production systems in the
RSA and the construction and testing of a pilot plant, built to assess an overseas design.
Available oxygen PSA technology was examined from a theoretical approach, right through
to practical applications. The aim was not to re-invent the technology, but to review what
technology is available and to assess its suitability for the South African Industrial Sectors.
This was undertaken by investigating all PSA processes that are available to market the
product to industry.
The technology review includes an investigation of overseas PSA technologies and compares
these modes of technology with the technology that is readily available to Afrox Limited, a
major gas supplier in South Africa. This resulted in the technology from the British Oxygen
Company being thoroughly reviewed, examined and compared to various other modes of
technology.
The basic principals of adsorption are discussed to give the reader an understanding of the
factors that influence efficient adsorption and adsorbent regeneration. The parameters that
defme when adsorption separation processes are applicable to the separation of atmospheric
gases are also discussed. The different types of PSA plant layout are discussed in great
detail and it is explained when each plant layout type would be used.
Additional information
Thesis (Masters Diploma (Mechanical engineering)--Cape Technikon, Cape Town, 1993
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Oxygen from air by pressure swing adsorption.pdf
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