Browsing NTNU Open by Author "Janakiram, Saravanan"
Now showing items 1-12 of 12
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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 ... -
Facilitated transport membranes containing graphene oxide-based nanoplatelets for CO2 separation: Effect of 2D filler properties
Janakiram, Saravanan; Marin Espejo, Juan Luis; Yu, Xinyi; Ansaloni, Luca; Deng, Liyuan (Peer reviewed; Journal article, 2020)Realization of suitable membrane-based technology for efficient CO2 capture to mitigate climate change relies on the development of thin-film composite (TFC) membranes with superior separation performance. Graphene oxide ... -
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 ... -
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 ... -
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 ... -
Nanocomposite membranes with high-charge and size-screened phosphorylated nanocellulose fibrils for CO2 separation
Helberg, Ragne M Lilleby; Torstensen, Jonathan Økland; Dai, Zhongde; Janakiram, Saravanan; Chinga-Carrasco, Gary; Gregersen, Øyvind Weiby; Syverud, Kristin; Deng, Liyuan (Peer reviewed; Journal article, 2020)In this study, cellulose nanofibrils (CNF) of high charge (H-P-CNF) and screened size (H-P-CNF-S) were fabricated by increasing the charge of phosphorylated cellulose nanofibrils (P-CNFs) during the pre-treatment step of ... -
Nanomaterials Enhanced Membranes for Carbon Capture
Janakiram, Saravanan (Doctoral theses at NTNU;2020:253, Doctoral thesis, 2020)Alarming increase in global CO2 emissions has led to climate change. An acceleration in the development of CO2 capture technologies is therefore necessary to facilitate the large-scale implementation of Carbon Capture and ... -
Novel CO2 separation membranes with functionalized nanofillers
Yu, Xinyi (Master thesis, 2018)In this work, a series of GO-based and nanocellulose-based nanoparticles were successfully functionalized through the EDC-catalyzed amide forming reaction, which confirmed by the new generated amide bond on FTIR spectrums ... -
Performance of mixed matrix membranes containing porous two-dimensional (2D) and three-dimensional (3D) fillers for CO2 separation: A review
Ahmadi, Mahdi; Janakiram, Saravanan; Dai, Zhongde; Ansaloni, Luca; Deng, Liyuan (Journal article; Peer reviewed, 2018)Application of conventional polymeric membranes in CO2 separation processes are limited by the existing trade-off between permeability and selectivity represented by the renowned upper bound. Addition of porous nanofillers ... -
Performance of Nanocomposite Membranes Containing 0D to 2D Nanofillers for CO2 Separation: A Review
Janakiram, Saravanan; Ahmadi, Mahdi; Dai, Zhongde; Ansaloni, Luca; Deng, Liyuan (Journal article; Peer reviewed, 2018)Membrane technology has the potential to be an eco-friendly and energy-saving solution for the separation of CO2 from different gaseous streams due to the lower cost and the superior manufacturing features. However, the ... -
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., ... -
Three-phase Hybrid Facilitated Transport Hollow Fiber Membranes for Enhanced CO2 Separation
Janakiram, Saravanan; Marin Espejo, Juan Luis; Høisæter, Karen Karolina; Lindbråthen, Arne; Ansaloni, Luca; Deng, Liyuan (Peer reviewed; Journal article, 2020)The configuration of thin film composite (TFC) in the form of hollow fiber is desired for gas separation membranes to achieve better gas permeation and higher packing density. In this work, we developed and tested TFC ...