Blar i NTNU Open på forfatter "Deng, Liyuan"
-
Field trial of hollow fiber modules of hybrid facilitated transport membranes for flue gas CO2 capture in cement industry
Janakiram, Saravanan; Santinelli, Fabio; Costi, Riccardo; Lindbråthen, Arne; Nardelli, Giuseppe Marino; Milkowski, Kris; Ansaloni, Luca; Deng, Liyuan (Peer reviewed; Journal article, 2020)Alarming increase in global CO2 emissions warrants acceleration of CO2 capture technologies. In this work, testing of pre-pilot scale membrane modules containing hybrid facilitated transport membranes in hollow fiber ... -
Fundamental properties of nanocelluloses, and teir application in membranes for CO2 Separation
Torstensen, Jonathan Økland (Doctoral theses at NTNU;2019:146, Doctoral thesis, 2019) -
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 ... -
Heat to Hydrogen by RED—Reviewing Membranes and Salts for the RED Heat Engine Concept
Zimmermann, Pauline; Solberg, Simon Birger Byremo; Tekinalp, Önder; Lamb, Jacob Joseph; Wilhelmsen, Øivind; Deng, Liyuan; Burheim, Odne Stokke (Peer reviewed; Journal article, 2022)The Reverse electrodialysis heat engine (REDHE) combines a reverse electrodialysis stack for power generation with a thermal regeneration unit to restore the concentration difference of the salt solutions. Current approaches ... -
Helium separation using membrane technology: Recent advances and perspectives
Dai, Zhongde; Deng, Jing; He, Xuezhong; Scholes, Colin; Jiang, Xia; Wang, Bangda; Guo, Hongfang; Ma, Yulie; Deng, Liyuan (Peer reviewed; Journal article, 2021)Helium is an unrenewable noble gas produced from natural gas with a wide range of scientific, medical, and industrial applications. Due to the large differences in the kinetic diameters between helium (0.26 nm) and nitrogen ... -
High-performance carbon-capture membranes developed by (non)solvent-induced nanostructural rearrangement in Nafion
Wei, Jing; Deng, Jing; Ma, Yulei; Qin, Zikang; Wang, Bangda; Deng, Liyuan; Spontak, Richard J; Dai, Zhongde (Peer reviewed; Journal article, 2023)Membrane materials exhibiting high CO2 permeability and selectivity are needed for CO2 capture to mitigate global climate change. In this study, Nafion is dissolved in and cast from N-methylpyrrolidone to generate membranes ... -
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 ... -
Humidity-responsive Molecular Gate-opening mechanism for Gas Separation in Ultraselective Nanocellulose/IL Hybrid Membranes
Janakiram, Saravanan; Ansaloni, Luca; Jin, Soo-Ah; Yu, Xinyi; Dai, Zhongde; Spontak, Richard J; Deng, Liyuan (Peer reviewed; Journal article, 2020)Nanofibrillated cellulose (NFC) represents an important class of bio-based nanomaterials that possess favorable properties including hydrophilicity, 1D structure, biodegradability, and surface tunability. Although widely ... -
Hybrid membranes to limit amine evaporation in membrane contactors for CO2 capture
Hauge, Marta Westad (Master thesis, 2017)In order to meet the global demand of energy from combustion processes with fossil fuels without interfering with the atmospheric levels of CO2 , carbon capture and storage (CCS) is considered a viable solution. Separation ... -
Hydrogen sulfide removal from natural gas using membrane technology: a review
Ma, Yulei; Guo, Hongfang; Selyanchyn, Roman; Wang, Bangda; Deng, Liyuan; Dai, Zhongde; Jiang, Xia (Peer reviewed; Journal article, 2021)Natural gas, having a significantly lower CO2 emission factor than oil and coal when combusted, is accepted as an important transition fuel towards carbon net-zero society. To meet the calorific value requirements (≥34.0 ... -
Impact of dissolved oxygen removal on solvent degradation for post-combustion CO2 capture
V. Figueiredo, Roberta; Srivastava, Tanya; Skaar, Tarjei; Warning, Niels; Gravesteijn, Paul; van Os, Peter; Ansaloni, Luca; Deng, Liyuan; Knuutila, Hanna; Monteiro, Juliana; Goetheer, Earl (Peer reviewed; Journal article, 2021)One of the major issues encountered in the Post Combustion CO2 Capture processes is the degradation of the solvent which can be in great part attributed to the presence of oxygen in the solution. The present report focuses ... -
Incorporation of an ionic liquid into a midblock-sulfonated multiblock polymer for CO2 capture
Dai, Zhongde; Ansaloni, Luca; Ryan, Justin J.; Spontak, Richard J; Deng, Liyuan (Journal article; Peer reviewed, 2019)In the present work, hybrid block ionomer/ionic liquid (IL) membranes containing up to 40 wt% IL are prepared by incorporating 1-butyl-3-methylimidazolium tetrafluoroborate ([Bmim][BF4]) into a midblock-sulfonated pentablock ... -
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 ... -
An integrated materials approach to ultrapermeable and ultraselective CO2 polymer membranes
Sandru, Marius; Sandru, Eugenia-Mariana; Ingram, Wade F.; Deng, Jing; Stenstad, Per Martin; Deng, Liyuan; Spontak, Richard J (Peer reviewed; Journal article, 2022)A challenge in the design of polymeric membranes for gas separation is the tradeoff between permeability, or how fast gases can flow through the membrane, and selectivity, the ability to separate one gas from another. In ... -
Limiting current density as a selectivity factor in electrodialysis of multi-ionic mixtures
Zimmermann, Pauline; Tekinalp, Önder; Solberg, Simon Birger Byremo; Wilhelmsen, Øivind; Deng, Liyuan; Burheim, Odne Stokke (Peer reviewed; Journal article, 2023)Electrodialysis is a promising technology to remove low concentrations of target ions from multi-ionic mixtures. While the synthesis of selective membranes is a prominent topic in research, few studies have been presented ... -
Manipulation of Fibril Surfaces in Nanocellulose-Based Facilitated Transport Membranes for Enhanced CO2 Capture
Janakiram, Saravanan; Yu, Xinyi; Ansaloni, Luca; Dai, Zhongde; Deng, Liyuan (Peer reviewed; Journal article, 2019)The transition toward sustainable processing entails the use of biobased alternatives as functional materials to reduce the overall carbon footprint. Nanocellulose, due to its natural availability, biodegradability, excellent ... -
Mathematical modeling and validation of CO2 mass transfer in a membrane contactor using ionic liquids for pre-combustion CO2 capture
Usman, Muhammad; Dai, Zhongde; Hillestad, Magne; Deng, Liyuan (Journal article; Peer reviewed, 2017)Mass transfer and mathematical modelling of CO2 absorption in a tubular membrane contactor using 1-Butyl-3-methylimidazolium Tricyanomethanide ([Bmim][TCM]) for pre-combustion CO2 capture has been studied in this work. A ... -
Mathematical Modelling and Process Simulation of a Membrane Absorption Process for Pre-combustion CO2 Capture
Usman, Muhammad (Doctoral theses at NTNU;2017:216, Doctoral thesis, 2017)The greenhouse gas emissions, particularly CO2, are significantly impacting the global climate change. There are strong desires to find energy efficient and economical solutions for CO2 capture from energy production, ... -
Membrane contactor for subsea natural gas dehydration: Model development and sensitivity study
Dalane, Kristin; Svendsen, Hallvard Fjøsne; Hillestad, Magne; Deng, Liyuan (Journal article; Peer reviewed, 2018)A mathematical model of a membrane contactor using triethylene glycol (TEG) for dehydration of natural gas at subsea operation conditions has been developed. The goal for the membrane contactor is to dehydrate the natural ... -
Membrane fabricated via a facile non-solvent induced microstructure re-arrangement with superior CO<inf>2</inf> separation performances
Wei, Jing; Ma, Yulei; Qin, Zikang; Jin, Ziheng; Jin, Yao; Yang, Lin; Yao, Lu; Jiang, Wenju; Deng, Yi; Huang, Ya; Zhao, Hongyong; Dong, Jie; Deng, Liyuan; Dai, Zhongde (Journal article; Peer reviewed, 2023)CO2 capture and storage (CCS) is taken as an immediate solution to mitigate the impactof increasing atmospheric CO2 on global climate change, and CO2 separation using high-performance membranes is considered a green and ...