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Experimental Investigation and Modelling of PSA Oxygen Generator in Context of Oxy-fuel Combustion

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F22%3A00362795" target="_blank" >RIV/68407700:21220/22:00362795 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.3303/CET2294047" target="_blank" >https://doi.org/10.3303/CET2294047</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3303/CET2294047" target="_blank" >10.3303/CET2294047</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Experimental Investigation and Modelling of PSA Oxygen Generator in Context of Oxy-fuel Combustion

  • Original language description

    Oxy-fuel combustion is an attractive way toward low-carbon energy systems and carbon capture and storage (CCS) policy. Its economy largely depends on high-purity oxygen (O2) price. The most commonly used commercial O2 production technologies are cryogenic distillation (ASU), adsorption, and polymeric membrane separation. Pressure swing adsorption (PSA) is suitable for small and medium-sized O2-consuming processes, which may be ideal for pilot-scale oxy-fuel plants. This paper generally investigates the performance of a two-bed four-step commercial PSA oxygen generator, quality and quantity of O2 production, process scheduling, and optimal operating conditions. The air flow rate at ambient temperature and pressure of 8.5 - 11 bar ranged from 13 - 17 m3 (STP)/h throughout the experiments. Furthermore, the textural properties of UOP PSAO2 XP molecular sieve with enhanced N2/O2 selectivity were experimentally determined and an increased presence of micropores was detected. To describe the process, an analytical flow-balance model was developed. This model calculates air factor (AirF), O2 recovery (REC) and purity (PUR), and energy consumption based on the actual gas flow determined for the system, incorporates parameters sensitivity analysis, and verifies the PSA performance. The model was validated under four O2 purity levels with the lowest measurement error. The experimental data obtained showed good agreement with the model results; the controversy surrounding some of the data is discussed. In practice, the application of the validated model provides an easy-to-grasp engineering solution.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database

  • CEP classification

  • OECD FORD branch

    20402 - Chemical process engineering

Result continuities

  • Project

    <a href="/en/project/EF16_019%2F0000753" target="_blank" >EF16_019/0000753: Research centre for low-carbon energy technologies</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    CHEMICAL ENGINEERING TRANSACTIONS

  • ISSN

    2283-9216

  • e-ISSN

    2283-9216

  • Volume of the periodical

    94

  • Issue of the periodical within the volume

    9

  • Country of publishing house

    IT - ITALY

  • Number of pages

    6

  • Pages from-to

    283-288

  • UT code for WoS article

  • EID of the result in the Scopus database

    2-s2.0-85139239800