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    Porous Organic Polymers for CO2 Capture

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    Name:
    Baiyang Teng - Thesis Final Draft - May 15 13.pdf
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    Type
    Thesis
    Authors
    Teng, Baiyang
    Advisors
    Han, Yu cc
    Committee members
    Peinemann, Klaus-Viktor cc
    Takanabe, Kazuhiro cc
    Program
    Chemical Science
    KAUST Department
    Physical Science and Engineering (PSE) Division
    Date
    2013-05
    Embargo End Date
    2014-05-15
    Permanent link to this record
    http://hdl.handle.net/10754/292819
    
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    Access Restrictions
    At the time of archiving, the student author of this thesis opted to temporarily restrict access to it. The full text of this thesis became available to the public after the expiration of the embargo on 2014-05-15.
    Abstract
    Carbon dioxide (CO2) has long been regarded as the major greenhouse gas, which leads to numerous negative effects on global environment. The capture and separation of CO2 by selective adsorption using porous materials proves to be an effective way to reduce the emission of CO2 to atmosphere. Porous organic polymers (POPs) are promising candidates for this application due to their readily tunable textual properties and surface functionalities. The objective of this thesis work is to develop new POPs with high CO2 adsorption capacities and CO2/N2 selectivities for post-combustion effluent (e.g. flue gas) treatment. We will also exploit the correlation between the CO2 capture performance of POPs and their textual properties/functionalities. Chapters Two focuses on the study of a group of porous phenolic-aldehyde polymers (PPAPs) synthesized by a catalyst-free method, the CO2 capture capacities of these PPAPs exceed 2.0 mmol/g at 298 K and 1 bar, while keeping CO2/N2 selectivity of more than 30 at the same time. Chapter Three reports the gas adsorption results of different hyper-cross-linked polymers (HCPs), which indicate that heterocyclo aromatic monomers can greatly enhance polymers’ CO2/N2 selectivities, and the N-H bond is proved to the active CO2 adsorption center in the N-contained (e.g. pyrrole) HCPs, which possess the highest selectivities of more than 40 at 273 K when compared with other HCPs. Chapter Four emphasizes on the chemical modification of a new designed polymer of intrinsic microporosity (PIM) with high CO2/N2 selectivity (50 at 273 K), whose experimental repeatability and chemical stability prove excellent. In Chapter Five, we demonstrate an improvement of both CO2 capture capacity and CO2/N2 selectivity by doping alkali metal ions into azo-polymers, which leads a promising method to the design of new porous organic polymers.
    Citation
    Teng, B. (2013). Porous Organic Polymers for CO2 Capture. KAUST Research Repository. https://doi.org/10.25781/KAUST-E6N6U
    DOI
    10.25781/KAUST-E6N6U
    ae974a485f413a2113503eed53cd6c53
    10.25781/KAUST-E6N6U
    Scopus Count
    Collections
    Theses; Physical Science and Engineering (PSE) Division; Chemical Science Program

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