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Browsing NTNU Open by Author "He, Xuezhong"

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Now showing items 1-20 of 26

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    • A review of material development in the field of carbon capture and the application of membrane-based processes in power plants and energy-intensive industries 

      He, Xuezhong (Journal article; Peer reviewed, 2018)
      This review highlights recent developments and future perspectives on CO2 capture from power plants and energy-intensive industries to reduce CO2 emissions. Different types of membrane materials for CO2 capture were reviewed ...
    • Biomimetic material functionalized mixed matrix membranes for enhanced carbon dioxide capture 

      Zhang, Yiming; Wang, Huixian; Zhou, Siyu; Wang, Jing; He, Xuezhong; Liu, Jindun; Zhang, Yatao (Journal article; Peer reviewed, 2018)
      Carbonic anhydrase (CA) has been widely used in gas separation membranes because of its high affinity for CO2 molecules. In this work, a novel biomimetic material (Co-2,6-bis(2-benzimidazolyl)pyridine, CoBBP) which has a ...
    • Carbon hollow fiber membranes for a molecular sieve with precise-cutoff ultramicropores for superior hydrogen separation 

      Lei, Linfeng; Pan, Fengjiao; Lindbråthen, Arne; Zhang, Xiangping; Hillestad, Magne; Nie, Yi; Bai, Lu; He, Xuezhong; Guiver, Michael D. (Peer reviewed; Journal article, 2021)
      Carbon molecular sieve (CMS) membranes with rigid and uniform pore structures are ideal candidates for high temperature- and pressure-demanded separations, such as hydrogen purification from the steam methane reforming ...
    • Carbon Membranes for CO2 Removal: Status and Perspectives from Materials to Processes 

      Lei, Linfeng; Bai, Lu; Lindbråthen, Arne; Pan, Fengjiao; Zhang, Xiangping; He, Xuezhong (Peer reviewed; Journal article, 2020)
      CO2 removal from gas streams using energy-efficient and environmentally friendly separation technologies can contribute to achieving a low-carbon energy future. Carbon membrane systems for hydrogen purification, post-combustion ...
    • Carbon Molecular Sieve Hollow Fiber Membranes for CO2 Removals 

      Lei, Linfeng (Doctoral theses at NTNU;2020:401, Doctoral thesis, 2020)
      New technologies that are more energy efficient could, if applied in the large-scale CO2 removal process, reduce carbon dioxide emissions, and achieve a low-carbon future. Compared to traditional amine-based absorption, ...
    • Carbon molecular sieve membranes for biogas upgrading: Techno-economic feasibility analysis 

      He, Xuezhong; Chu, Yunhan; Lindbråthen, Arne; Hillestad, Magne; Hagg, May-Britt (Journal article; Peer reviewed, 2018)
      Biomethane, produced by biogas upgrading, has a great potential to replace part of the fossil fuel natural gas, and may be injected into a gas grid or used as compressed biomethane as vehicle fuel. The state-of-the-art ...
    • Cellulose-based carbon hollow fiber membranes for high-pressure mixed gas separations of CO2/CH4 and CO2/N2 

      Karousos, Dionysis S.; Lei, Linfeng; Lindbråthen, Arne; Sapalidis, Andreas A.; Kouvelos, Evangelos P.; He, Xuezhong; Favvas, Evangelos P. (Peer reviewed; Journal article, 2020)
      Carbonized cellulose -based hollow fiber membranes were prepared by dry-wet spinning phase inversion method, followed by carbonization and evaluated in terms of gas separation performance for CO2/N2 and CO2/CH4 mixtures, ...
    • Computational prediction of cellulose solubilities in ionic liquids based on COSMO-RS 

      Chu, Yunhan; Zhang, Xiangping; Hillestad, Magne; He, Xuezhong (Journal article; Peer reviewed, 2018)
      A computational approach is presented for prediction of cellulose solubilities in ionic liquids (ILs) based on COSMO-RS (Conductor-like Screening Model for Real Solvents). Thermodynamically stable molecular structures were ...
    • Conceptual Process Design and Simulation of Membrane Systems for Integrated Natural Gas Dehydration and Sweetening 

      He, Xuezhong; Kumakiri, Izumi; Hillestad, Magne (Peer reviewed; Journal article, 2020)
      Subsea natural gas processing attracts increased interest due to the smaller environmental footprint. Natural gas (NG) dehydration and sweetening are the main processing steps to avoid pipeline plugging and corrosion caused ...
    • Development of Hollow Fiber Carbon Membranes for CO2 Separation 

      He, Xuezhong (Doktoravhandlinger ved NTNU, 1503-8181; 2011:42, Doctoral thesis, 2011)
      CO2 capture from flue gases by membrane technology in post combustion power plants could be used for the reducing of CO2 emissions. Previous work has demonstrated that the carbon membrane can achieve a high separation ...
    • Fabrication of Defect-Free Cellulose Acetate Hollow Fibers by Optimization of Spinning Parameters 

      He, Xuezhong (Journal article; Peer reviewed, 2017)
      Spinning of cellulose acetate (CA) with the additive polyvinylpyrrolidone (PVP) in N-methyl-2-pyrrolidone (NMP) solvent under different conditions was investigated. The spinning parameters of air gap, bore fluid composition, ...
    • FSC hollow fibre membranes - Optimization of coating and drying procedures 

      Ruud, Anniken Amos (Master thesis, 2016)
      Composite hollow fibre membranes were prepared by coating PVAm and PDMS, on a PSf support. Bundles consisting of 100 fibres were placed in PVC tubes with diameter 0.6cm, which gave a packing density of 30,3%. The bundles ...
    • Investigation of a membrane contactor for CO2 capture from natural gas/biogas 

      Garrido Lopez, Jaime (Master thesis, 2016)
      Carbon dioxide needs to be separated from natural gas or biogas streams and membrane contactors can be a very good alternative for it. In this work a poly(1-trimethylsilyl-1-propyne) supported by a polyvinylidene fluoride ...
    • Mathematical Modeling and Process Parametric Study of CO2 Removal from Natural Gas by Hollow Fiber Membranes 

      Chu, Yunhan; Lindbråthen, Arne; Lei, Linfeng; He, Xuezhong; Hillestad, Magne (Journal article; Peer reviewed, 2019)
      Hollow fiber membranes show a great potential in natural gas sweetening by removing CO2 to meet gas grid specifications. A membrane model with high prediction accuracy is developed to model multicomponent gas transport ...
    • Membranes for Environmentally Friendly Energy Processes 

      He, Xuezhong; Hagg, May-Britt (Journal article; Peer reviewed, 2012)
    • MoDoop: An Automated Computational Approach for COSMO-RS Prediction of Biopolymer Solubilities in Ionic Liquids 

      Chu, Yunhan; He, Xuezhong (Journal article; Peer reviewed, 2019)
      An automated computational framework (MoDoop) was developed to predict the biopolymer solubilities in ionic liquids (ILs) on the basis of conductor-like screening model for real solvents calculations of two thermodynamic ...
    • MoleGear: A Java-based Platform for Evolutionary de novo Molecular Design 

      He, Xuezhong; Chu, Yunhan (Journal article; Peer reviewed, 2019)
      A Java-based platform, MoleGear, is developed for de novo molecular design based on the chemistry development kit (CDK) and other Java packages. MoleGear uses evolutionary algorithm (EA) to explore chemical space, and a ...
    • Novel Tubular Carbon Membranes Prepared from Natural Rattans 

      He, Xuezhong (Journal article; Peer reviewed, 2019)
      The novel tubular carbon membranes produced from natural materials are, for the first time, reported. The novelty of this idea is to use natural rattans as precursors for making carbon membranes to address the challenges ...
    • Optimization of Deacetylation Process for Regenerated Cellulose Hollow Fiber Membranes 

      He, Xuezhong (Journal article; Peer reviewed, 2017)
      Cellulose acetate (CA) hollow fibers were spun from a CA+ Polyvinylpyrrolidone (PVP)/N-methyl-2-pyrrolidone (NMP)/H2O dope solution and regenerated by deacetylation. The complete deacetylation time of 0.5 h was found at a ...
    • Post-combustion carbon capture technologies: Energetic analysis and life cycle assessment 

      Zhang, Xiangping; Singh, Bhawna; He, Xuezhong; Gundersen, Truls; Deng, Liyuan; Zhang, Suojiang (Journal article; Peer reviewed, 2014)
      An integrated framework focusing on the energetic analysis and environmental impacts of a CO2 capture and storage (CCS) system is presented, in which the process simulation method and the life cycle assessment (LCA) method ...

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