Browsing NTNU Open by Author "Anantharaman, Rahul"
Now showing items 1-20 of 22
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A Comparison of Post-combustion Capture Technologies for the NGCC
Subramanian, Avinash Shankar Rammohan; Jordal, Aina Benedikte Kristin; Anantharaman, Rahul; Hagen, Brede Andre Larsen; Roussanaly, Simon (Journal article; Peer reviewed, 2017)Four different post-combustion capture technologies are compared for the same NGCC (electric efficiency 58.1% without CO2 capture). The technologies are aqueous amine, polymeric membranes, a low temperature sorbent and ... -
A new approach to the identification of high-potential materials for cost-efficient membrane-based post-combustion CO2 capture
Roussanaly, Simon; Anantharaman, Rahul; Lindqvist, Karl Erik Artur; Hagen, Brede Andre Larsen (Journal article; Peer reviewed, 2018)Developing “good” membrane modules and materials is a key step towards reducing the cost of membrane-based CO2 capture. While this is traditionally being done through incremental development of existing and new materials, ... -
A new paradigm in process synthesis focus on design of power plants and industrial processes integrated with CO2 capture
Anantharaman, Rahul; Gundersen, Truls (Journal article; Peer reviewed, 2016)Process synthesis methods have only recently been applied for the design of CO2 capture systems. At the crux of the CO2 capture process is a separation technology (sorbent, membrane or phase separation) applied to CO2/N2, ... -
A qualitative reliability and operability analysis of an integrated reforming combined cycle plant with CO2 capture
Nord, Lars Olof; Anantharaman, Rahul; Rausand, Marvin; Bolland, Olav (Journal article, 2009)Most of the current CO2 capture technologies are associated with large energy penalties that reduce their economic viability. Efficiency has therefore become the most important issue when designing and selecting power ... -
CCS on Offshore Oil and Gas Installation - Design of Post Combustion Capture System and Steam Cycle
Nord, Lars O.; Anantharaman, Rahul; Chikukwa, Actor; Mejdell, Thor (Journal article; Peer reviewed, 2017)Most of the released CO2 on offshore oil and gas installation originates from the gas turbines that power the installations. For certain offshore installations, CO2 capture and storage (CCS) could be an alternative to ... -
CO2 Capture from IGCC by Low-Temperature Synthesis Gas Separation
Berstad, David Olsson; Skaugen, Geir; Roussanaly, Simon; Anantharaman, Rahul; Nekså, Petter; Jordal, Aina Benedikte Kristin; Trædal, Stian; Gundersen, Truls (Journal article; Peer reviewed, 2022)Capture conditions for CO2 vary substantially between industrial point sources. Depending on CO2 fraction and pressure level, different capture technologies will be required for cost- and energy-efficient decarbonisation. ... -
CO2 Capture Processes: Novel Approach to Benchmarking and Evaluation of Improvement Potentials
Anantharaman, Rahul; Jordal, Kristin; Gundersen, Truls (Journal article; Peer reviewed, 2013)A consistent and transparent benchmarking methodology is required for comparison and ranking of different technologies for CO2 capture, and also for evaluation of different means of integrating novel capture process units ... -
Combinatorial Problems in the Design of Heat Exchanger Networks
Megård, Martin Johnsen (Master thesis, 2016)Abstract Heat Exchanger Network Synthesis (HENS) is one of the most researched areas in process synthesis. The main objective of this work is to evaluate the possibility of implementing an alternative stream match generator ... -
Conceptual design of an efficient Hydrogen production process from Natural Gas using an extension to the “G-H” methodology
Rammohan Subramanian, Avinash Shankar; Anantharaman, Rahul; Gundersen, Truls (Journal article; Peer reviewed, 2018)Conceptual design of novel efficient hydrogen production processes is essential to realizing a future clean energy scenario. Traditional approaches to process design involve detailed modelling of unit operations followed ... -
Design and off-design analyses of a pre-combustion CO2 capture process in a natural gas combined cycle power plant
Nord, Lars Olof; Anantharaman, Rahul; Bolland, Olav (Journal article; Peer reviewed, 2009)In this study, a cycle designed for capturing the greenhouse gas CO2 in a natural gas combined cycle power plant has been analyzed. The process is a pre-combustion CO2 capture cycle utilizing reforming of natural gas and ... -
Design of a novel hybrid process for membrane assisted clean hydrogen production with CO2 capture through liquefaction
Kim, Donghoi; Liu, Zhongxuan; Anantharaman, Rahul; Riboldi, Luca; Odsæter, Lars Hov; Berstad, David Olsson; Peters, Thijs; Polfus, Jonathan; Malerød-Fjeld, Harald; Gundersen, Truls (Peer reviewed; Journal article, 2022)This work introduces a novel hybrid concept to produce H2 from natural gas by using the protonic membrane reformer (PMR) with liquefaction based CO2 capture system. For process intensification, recycling of the off-gas ... -
Design of Steam Cycles for Oxy-combustion Coal based Power Plants with Emphasis on Heat Integration
Soundararajan, Rengarajan; Anantharaman, Rahul; Gundersen, Truls (Journal article; Peer reviewed, 2014)The Oxy-combustion method of CO2 capture is considered to have several advantages over other methods for CO2 capture from coal based power plants. The capture process is energy intensive and hence expensive. Heat integration ... -
Energy Efficiency in Process Plants with emphasis on Heat Exchanger Networks: Optimization, Thermodynamics and Insight
Anantharaman, Rahul (Doktoravhandlinger ved NTNU, 1503-8181; 2011:305, Doctoral thesis, 2011)This thesis focuses on energy recovery system design and energy integration to improve the energy efficiency of process plants. The objectives of this work are to (a) develop a systematic methodology based on thermodynamic ... -
Low Temperature Applications for CO2 Capture in Hydrogen Production
Kim, Donghoi; Berstad, David Olsson; Anantharaman, Rahul; Straus, Julian; Peters, Thijs; Gundersen, Truls (Chapter, 2020)The recent development of the protonic membrane reformer (PMR) technology allows an energy efficient hydrogen production from natural gas. To liquefy and separate CO2 from the retentate gas of the PMR, various low temperature ... -
Model reformulations for Work and Heat Exchange Network (WHEN) synthesis problems
Yu, Haoshui; Vikse, Matias; Anantharaman, Rahul; Gundersen, Truls (Journal article; Peer reviewed, 2019)The Duran-Grossmann model can deal with heat integration problems with variable process streams. Work and Heat Exchange Networks (WHENs) represent an extension of Heat Exchange Networks. In WHEN problems, the identities ... -
Optimal integration of compression heat with regenerative steam Rankine cycles in oxy-combustion coal based power plants
Fu, Chao; Anantharaman, Rahul; Gundersen, Truls (Journal article; Peer reviewed, 2015)The integration of process heat with regenerative steam Rankine cycles by preheating the boiler feedwater increases power generation from the steam turbines. In oxy-combustion coal based power plants, considerable compression ... -
Optimization of membrane systems for post-combustion CO2 capture
Johnsen, Niklas Sparr (Master thesis, 2015)The increasing threat of climate change due to human emissions of global greenhouse gases has led to investigation of several technologies to mitigate such emissions from large point sources. One of these technologies is ... -
Reducing Energy Consumption in the Production of Hydrogen from Natural Gas
Rammohan Subramanian, Avinash Shankar (Master thesis, 2017)DAIM * Bibliographical information -
Techno-economic Assessment of Flexible Solvent Regeneration & Storage for Base Load Coal-Fired Power Generation with Post Combustion CO2 Capture
Husebye, Jo; Anantharaman, Rahul; Fleten, Stein-Erik (Journal article; Peer reviewed, 2011)CO2 capture and storage has the potential to significantly reduce man made CO2 emissions from large point sources consuming carbon containing fuels. The share of fossil fuels is expected to remain significant in future ... -
The role of process synthesis in the systematic design of energy efficient fossil fuel power plants with CO2 capture
Anantharaman, Rahul; Jordal, Kristin; Berstad, David Olsson; Gundersen, Truls (Journal article; Peer reviewed, 2013)CO2 capture and storage has a potential of reducing CO2 emissions from large point sources such as fossil fuel power plants. CO2 capture is associated with substantial capital expenditures, operational expenditures dominated ...