Browsing NTNU Open by Author "Deng, Jing"
Now showing items 1-19 of 19
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A Brief Review of Nanocellulose Based Hybrid Membranes for CO2 Separation
Dai, Zhongde; Ottesen, Vegar; Deng, Jing; Helberg, Ragne M Lilleby; Deng, Liyuan (Journal article; Peer reviewed, 2019)Due to the high specific surface area, high mechanical strength and broad possibility of surface modification, nanocellulose has obtained much attention as a new class of bio-based nanomaterials with promising potential ... -
Cross-linked PEG Membranes of Interpenetrating Networks with ILs as Additives for Enhanced CO2 Separation
Deng, Jing; Yu, Junbo; Dai, Zhongde; Deng, Liyuan (Journal article; Peer reviewed, 2019)Polyethylene glycol (PEG)-based membranes have recently been reported with excellent CO2 separation performances. However, the commonly exhibited high crystallinity may deteriorate the gas permeation properties in this ... -
Cross-linked PEG/ ionic liquid composite membranes for CO2 separation
Yu, Junbo (Master thesis, 2018)The increasing CO2 emission has become an urgent issue in the past decades. Comparing with other traditional CO2 separation technologies such as amino absorption, membrane separation has been considered as a potential ... -
The Effect of Crosslinking on the Physical Aging of PTMSP Membranes
Suciu, Sandra-Paula (Master thesis, 2017)For post-combustion CO2 capture, membranes with high permeability and relatively high CO2/N2 selectivity are favoured to compete with the commercial amine-based absorption technology. With the highest known CO2 permeability, ... -
Effects of the Morphology of the ZIF on the CO2 Separation Performance of MMMs
Deng, Jing; Dai, Zhongde; Deng, Liyuan (Peer reviewed; Journal article, 2020)In this study, three zeolitic imidazolate frameworks (ZIFs) with different shapes—particles (0D), microneedles (1D), and leaves (2D)—were synthesized by tuning the polymeric additives. These ZIFs have been dispersed into ... -
Fabrication and Evaluation of Bio-based Nanocomposite TFC Hollow Fiber Membranes for Enhanced CO2 capture
Dai, Zhongde; Deng, Jing; Yu, Qiang; Helberg, Ragne M Lilleby; Janakiram, Saravanan; Ansaloni, Luca; Deng, Liyuan (Journal article; Peer reviewed, 2019)Nanocellulose is a promising and sustainable biobased nanomaterial because of its excellent mechanical properties, biocompatibility, natural abundance, and especially its high aspect ratio. Interest in applying nanocellulose ... -
Facile and Solvent-free Fabrication of PEG-based Membranes with Interpenetrating Networks for CO2 Separation
Deng, Jing; Dai, Zhongde; Yan, Jiaqi; Sandru, Marius; Sandru, Eugenia; Spontak, Richard J; Deng, Liyuan (Journal article; Peer reviewed, 2018)For nearly two decades, membranes derived from polyethers have served as promising candidate materials for CO2 separation. Due to the inherent tendency of high-molecular-weight poly(ethylene oxide) (PEO) to crystallize and ... -
H-2-selective Troger's base polymer based mixed matrix membranes enhanced by 2D MOFs
Deng, Jing; Dai, Zhongde; Deng, Liyuan (Peer reviewed; Journal article, 2020)In this work, two two-dimensional (2D) leaf ZIFs (ZIF-L-Zn and ZIF-L-Co) were incorporated into the Troger's base (TB)-based polymers for hydrogen separation. SEM imaging and enhanced performance have demonstrated good ... -
Highly CO2-permeable membranes derived from a midblock-sulfonated multiblock polymer after submersion in water
Dai, Zhongde; Deng, Jing; Aboukeila, Hesham; yuan, jiaqi; Ansaloni, Luca; Mineart, Kenneth P.; Baschetti, Marco Giacinti; Spontak, Richard J; Deng, Liyuan (Journal article; Peer reviewed, 2019)To mitigate the effect of atmospheric CO2 on global climate change, gas separation materials that simultaneously exhibit high CO2 permeability and selectivity in gas mixtures must be developed. In this study, CO2 transport ... -
Incorporation of Metallic Species into Midblock‐Sulfonated Block Ionomers
Deng, Jing; Yan, Jiaqi; Tilly, Joseph C.; Deng, Liyuan; Mineart, Kenneth P.; Spontak, Richard J. (Journal article; Peer reviewed, 2018)Block ionomers can, in the same fashion as their neutral block copolymer analogs, microphase‐order into various nanoscale morphologies. The added benefit of a copolymer possessing a charged species is that the resultant ... -
Morphologically Tunable MOF Nanosheets in Mixed Matrix Membranes for CO2 Separation
Deng, Liyuan; Deng, Jing; Dai, Zhongde; Hou, Jingwei (Peer reviewed; Journal article, 2020)This study first develops a facile method to synthesize zeolitic imidazolate framework cuboid (ZIF-C) nanosheets with tunable thickness from 70 to 170 nm from aqueous polymer solutions. The obtained ZIF-C nanosheets were ... -
Nafion/PEG hybrid membrane for CO 2 separation: Effect of PEG on membrane micro-structure and performance
Dai, Zhongde; Aboukeila, Hesham; Deng, Jing; Ansaloni, Luca; Baschetti, Marco Giacinti; Deng, Liyuan (Journal article; Peer reviewed, 2018)In the present work, PEGDME with different molecular weight (Mn ∼ 250 and 500 g/mol) was added into Nafion-based membranes as CO2-philic additive, aiming at improving their CO2 capture performance. The physical, chemical ... -
Optimization of PEG-based membranes and mixed matrix membranes for CO2 capture
Deng, Jing (Doctoral theses at NTNU;2020:35, Doctoral thesis, 2019)Design better CO2 separation membranes for capture CO2 The elevated CO2 concentration has been widely recognized as one of the main factors leading to the increasing serious global warming. To prevent it from continuing ... -
Pebax/PEG Grafted CNT Hybrid Membranes for Enhanced CO2/N2 Separation
Dai, Zhongde; Deng, Jing; Peng, Kang-Jen; Liu, Ying-Ling; Deng, Liyuan (Peer reviewed; Journal article, 2019)In the present study, poly(ethylene glycol) (PEG) functionalized carbon nanotubes (CNT-PEG) were used as nanoadditives to fabricate hybrid membranes for enhanced CO2 separation in Pebax 1657 matrix. The resultant membranes ... -
Poly(1-trimethylsilyl-1-propyne)-Based Hybrid Membranes: Effects of Various Nanofillers and Feed Gas Humidity on CO2 Permeation
Dai, Zhongde; Løining, Vilde; Deng, Jing; Ansaloni, Luca; Deng, Liyuan (Journal article; Peer reviewed, 2018)Poly(1-trimethylsilyl-1-propyne) (PTMSP) is a high free volume polymer with exceptionally high gas permeation rate but the serious aging problem and low selectivity have limited its application as CO2 separation membrane ... -
Poly(vinylimidazole-co-butyl acrylate) membranes for CO2 separation
Ting, Song; Deng, Jing; Deng, Liyuan; Bai, Lu; Zhang, Xiangping; Zhang, Suojiang; Szabo, Peter; Daugaard, Anders E. (Peer reviewed; Journal article, 2019)Room temperature ionic liquids (RTILs) are known to exhibit high CO2 solubility, which makes them interesting candidates for separation and purification of mixed gas streams. Particularly, RTILs based on imidazoles have ... -
Synthesis of Crosslinked PEG/IL Blend Membrane via One-Pot Thiol–Ene/Epoxy Chemistry
Deng, Jing; Dai, Zhongde; Deng, Liyuan (Journal article, 2020)Poly(ethylene glycol) (PEG)-based membranes have obtained considerable attentions for CO2 separation for their promising CO2 separation performance and excellent thermal/ chemical resistance. In this work, a one-pot ... -
Synthesis of Crosslinked PEG/IL Blend Membrane via One-Pot Thiol–Ene/Epoxy Chemistry
Deng, Jing; Dai, Zhongde; Deng, Liyuan (Journal article, 2020)Poly(ethylene glycol) (PEG)-based membranes have obtained considerable attentions for CO2 separation for their promising CO2 separation performance and excellent thermal/ chemical resistance. In this work, a one-pot ... -
Thin-film-composite hollow fiber membranes containing amino acid salts as mobile carriers for CO2 separation
Dai, Zhongde; Deng, Jing; Ansaloni, Luca; Janakiram, Saravanan; Deng, Liyuan (Journal article; Peer reviewed, 2019)In this work, defect-free thin-film-composite (TFC) hollow fiber membranes containing various amino acid salts as CO2 facilitated transport carriers were fabricated via dip-coating. Four different amino acid salts, i.e., ...