Browsing NTNU Open by Author "Zhang, Xiangping"
Now showing items 1-13 of 13
-
Carbon chain analysis on a coal IGCC — CCS system with flexible multi-products
Zhang, Xiangping; Gundersen, Truls; Roussanaly, Simon; Brunsvold, Amy; Zhang, Suojiang (Journal article; Peer reviewed, 2013)A carbon chain analysis is applied to assess a complex energy conversion system with CO2 capture and storage (CCS). A coal integrated gasification combined cycle, with CCS, which co-produces electricity and liquid fuels ... -
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 ... -
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 ... -
Integrated Techno-economic and Environmental Assessment of an Amine-based Capture
Roussanaly, Simon; Brunsvold, Amy; Hognes, Erik Skontorp; Jakobsen, Jana Poplsteinova; Zhang, Xiangping (Journal article; Peer reviewed, 2013)A systematic methodology for integrated techno-economic and environmental assessment of CCS value chains is presented and applied to assess the impact of the CO2 concentration on an amine-based post-combustion CO2 capture ... -
Life Cycle Assessment on the Conversion of CO2 to Formic Acid
Robledo-Diez, Alvaro (Master thesis, 2012)The objective of this work is to provide an environmental assessment of the impacts that the electrochemical conversion of CO2 to formic acid produces. In order to do this, Life Cycle Assessment has been used. -
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 ... -
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 ... -
Preparation of Carbon Molecular Sieve Membranes with Remarkable CO2/CH4 Selectivity for High-pressure Natural Gas Sweetening
Lei, Linfeng; Lindbråthen, Arne; Zhang, Xiangping; Favvas, Evangelos P.; Sandru, Marius; Hillestad, Magne; He, Xuezhong (Peer reviewed; Journal article, 2020)Carbon hollow fiber membranes (CHFMs) were fabricated based on cellulose hollow fiber precursors spun from a cellulose/ionic liquid system. By a thermal treatment on the precursors using a preheating process before ... -
Spinning Cellulose Hollow Fibers Using 1-Ethyl-3-methylimidazolium Acetate–Dimethylsulfoxide Co-Solvent
Lei, Linfeng; Lindbråthen, Arne; Sandru, Marius; Gutierrez, Maria Teresa Guzman; Zhang, Xiangping; Hillestad, Magne; He, Xuezhong (Journal article; Peer reviewed, 2018)The mixture of the ionic liquid 1-ethyl-3-methylimidazolium acetate (EmimAc) and dimethylsulfoxide (DMSO) was employed to dissolve microcrystalline cellulose (MCC). A 10 wt % cellulose dope solution was prepared for spinning ... -
Strategy Combining Free Volume Theory and Fragment Contribution Corresponding State Method for Predicting Viscosities of Ionic Liquids
Tu, Wenhui; Zeng, Shaojuan; Zhang, Xiaochun; He, Xuezhong; Liu, Lei; Zhang, Suojiang; Zhang, Xiangping (Journal article; Peer reviewed, 2019)In this study, we proposed a strategy that combines the fragment contribution corresponding states (FCCS) and free volume theory (FVT) method, namely FCCS–FVT, to calculate the viscosities of ionic liquids (ILs) covering ... -
Super selective ammonia separation through multiple-site interaction with ionic liquid-based hybrid membranes
Yang, Bingbing; Bai, Lu; Li, Tingting; Deng, Liyuan; Liu, Lei; Zeng, Shaojuan; Han, Jiuli; Zhang, Xiangping (Peer reviewed; Journal article, 2021)Efficient separation and recovery of ammonia (NH3) is essential for environmental protection and resource utilization. In this work, hybrid membranes for NH3 separation through multiple-site interaction were developed by ... -
Techno economic evaluation of amine based CO2 capture: impact of CO2 concentration and steam supply
Husebye, Jo; Brunsvold, Amy; Roussanaly, Simon; Zhang, Xiangping (Journal article; Peer reviewed, 2012)The timing and selection of CO2 sources will affect the cost of achieving projected CCS based emission reductions. Performed process simulations and cost estimations clearly point out the impact of CO2 concentration and ...