Blar i NTNU Open på forfatter "Deng, Liyuan"
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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 ... -
Analysis of CO2 Facilitation Transport Effect through a Hybrid Poly(Allyl Amine) Membrane: Pathways for Further Improvement
Belaissaoui, Bouchra; Lasseuguette, Elsa; Janakiram, Saravanan; Deng, Liyuan; Ferrari, Maria-Chiara (Peer reviewed; Journal article, 2020)Numerous studies have been reported on CO2 facilitated transport membrane synthesis, but few works have dealt with the interaction between material synthesis and transport modelling aspects for optimization purposes. In ... -
Assessment of a membrane contactor process for pre-combustion CO2 capture by modelling and integrated process simulation
Usman, Muhammad; Hillestad, Magne; Deng, Liyuan (Journal article; Peer reviewed, 2018)A membrane contactor process for pre-combustion CO2 capture from shifted synthesis gas originated from IGCC power plant is assessed from the technical and economical point of views. The process is designed as pressure swing ... -
Capturing CO2 by ionic liquids and deep eutectic solvents: A comparative study based on multi-level absorbent screening
Cheng, Jie; Xie, Kunchi; Guo, Pengyu; Qin, Hao; Deng, Liyuan; Qi, Zhiwen; Song, Zhen (Peer reviewed; Journal article, 2023)Because of the high energy consumption and volatility of organic amine solvents in conventional CO2 capture processes, ionic liquids (ILs) and deep eutectic solvents (DESs) have been widely expected as alternative CO2 ... -
Carbon dioxide absorption with non-porous hollow fiber membrane contactors - Module fabrication and characterisation
Andreassen, Vilde Elin (Master thesis, 2018)Carbon capture and storage (CCS) is recognised as one of the key technologies to reduce greenhouse gas emissions from industrial plants. Currently, the most established technology is chemical absorption with amines, but ... -
Carbon Dioxide Solubility in Phosphonium-Based Deep Eutectic Solvents: An Experimental and Molecular Dynamics Study
Wang, Jingwen; Cheng, Hongye; Song, Zhen; Chen, Lifang; Deng, Liyuan; Qi, Zhiwen (Peer reviewed; Journal article, 2019)Considering the great potential of deep eutectic solvents (DESs) for CO2 capture, this work studies the CO2 solubility in DESs by combining experimental measurement and molecular dynamics (MD) simulation. First, four ... -
Carbon molecular-sieve membranes developed from a Tröger's base polymer and possessing superior gas-separation performance
Dai, Zhongde; Guo, Hongfang; Deng, Jing; Deng, Liyuan; Yan, Jiaqi; Spontak, Richard J (Journal article; Peer reviewed, 2023)Carbon molecular-sieve membranes possess tremendous practical advantages over unary polymer membranes by providing high gas-separation performance levels, coupled with excellent mechanical and chemical stability. Improving ... -
Cation Exchange Membranes and Process Optimizations in Electrodialysis for Selective Metal Separation: A Review
Tekinalp, Önder; Zimmermann, Pauline; Holdcroft, Steven; Burheim, Odne Stokke; Deng, Liyuan (Peer reviewed; Journal article, 2023)The selective separation of metal species from various sources is highly desirable in applications such as hydrometallurgy, water treatment, and energy production but also challenging. Monovalent cation exchange membranes ... -
CO2 capture using highly viscous amine blends in non-porous membrane contactors
Ansaloni, Luca; Hartono, Ardi; Awais, Muhammad; Knuutila, Hanna K; Deng, Liyuan (Journal article; Peer reviewed, 2018)New amine blends have shown a promising potential to reduce the energy penalty for CO2 capture in post combustion, making the deployment of carbon capture technologies one-step closer. However, their application at the ... -
CO<inf>2</inf> capture by 1-ethyl-3-methylimidazolium acetate: Solubility at low pressure and quantification of chemisorption and physisorption
Mei, Mingcan; Hu, Xutao; Song, Zhen; Chen, Lifang; Deng, Liyuan; Qi, Zhiwen (Peer reviewed; Journal article, 2021)Although chemisorptive ionic liquids (ILs) are widely expected as promising CO2 absorbents, rigorous thermodynamic analyses for such systems remain challenging due to the inevitable co-existence of chemisorption and ... -
Combination of ionic liquids with membrane technology: a new approach for CO2 separation
Dai, Zhongde (Doctoral thesis at NTNU;2016:91, Doctoral thesis, 2016)The objective of this PhD study is to combine the advantages of membrane and ILs technologies to develop high-performance IL-based membrane contactors and membranes for CO2 separation from various sources. First of all, ... -
Computer-Aided Design of Ionic Liquids as Absorbent for Gas Separation Exemplified by CO2 Capture Cases
Wang, Jingwen; Song, Zhen; Cheng, Hongye; Chen, Lifang; Deng, Liyuan; Qi, Zhiwen (Journal article; Peer reviewed, 2018)In order to design ionic liquids as absorbents for gas separation, a systematic computer-aided ionic liquid design (CAILD) methodology is applied and demonstrated by three cases of CO2 capture. Mixed-integer nonlinear ... -
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 ... -
Designing monovalent selective anion exchange membranes for the simultaneous separation of chloride and fluoride from sulfate in an equimolar ternary mixture
Tekinalp, Önder; Zimmermann, Pauline; Burheim, Odne Stokke; Deng, Liyuan (Peer reviewed; Journal article, 2022)Selective removal of multiple counter-ions in a single mixture is highly desirable for many industrial applications but also very challenging. This study focuses on designing monovalent selective anion exchange membranes ... -
Development of high capacity moisture-swing DAC sorbent for direct air capture of CO<inf>2</inf>
Wang, Xueru; Chen, Yan; Xu, Wenqi; Lindbråthen, Arne; Cheng, Xinyue; Chen, Xi; Zhu, Liangliang; Deng, Liyuan (Peer reviewed; Journal article, 2023) -
Development of ion exchange membranes for resource recovery and impurity removal in electrodialysis
Tekinalp, Önder (Doctoral theses at NTNU;2023:416, Doctoral thesis, 2023)In metal production and processing, large amounts of aqueous streams containing both metallic and non-metallic species are generated when extracting the desired bulk metals. While some of the remaining diluted compounds, ... -
Development of Membrane Contactors Using Phase Change Solvents for CO2 Capture: Material Compatibility Study
Ansaloni, Luca; Asad, Arif; Çiftja, Arlinda; Knuutila, Hanna K; Deng, Liyuan (Journal article; Peer reviewed, 2016)Phase change solvents represent a new class of CO2 absorbents with a promising potential to reduce the energy penalty associated with CO2 capture. However, their high volatility is a major concern for their use at the ... -
Development of membrane contactors using volatile amine-based absorbents for CO2 capture: amine permeation through the membrane
Ansaloni, Luca; Rennemo, Rune; Knuutila, Hanna K; Deng, Liyuan (Journal article; Peer reviewed, 2017)Non-porous membrane contactor offers the possibility to reduce the amine emissions if the membrane layer is specifically designed to act as a barrier for the amine transport. In the present paper, the amine permeation ... -
Development of novel nanocomposite membranes and facilitated transport membranes for CO2 capture
Helberg, Ragne Marie Lilleby (Doctoral theses at NTNU;2019:381, Doctoral thesis, 2019)The implementation of Carbon Capture and Storage (CCS) is a critical action to reduce the CO2 emissions from power production and industrial sources and thereby reach the 2 °C target of the Paris Agreement. There are several ...