David Berstad
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View article: Conceptual design and process assessment of a MSW waste-to-energy plant with oxy-combustion CO <sub>2</sub> capture
Conceptual design and process assessment of a MSW waste-to-energy plant with oxy-combustion CO <sub>2</sub> capture Open
Capturing CO2 from waste to energy plants has attracted increasing interest, particularly for the goal of achieving negative emissions. Oxy-combustion is a competitive alternative technology for CO2 capture. The main challenge is that oxyg…
View article: CO2 Capture and Enhanced Hydrogen Production Enabled by Low-Temperature Separation of PSA Tail Gas: A Detailed Exergy Analysis
CO2 Capture and Enhanced Hydrogen Production Enabled by Low-Temperature Separation of PSA Tail Gas: A Detailed Exergy Analysis Open
Hydrogen from natural gas reforming can be produced efficiently with a high CO2 capture rate. This can be achieved through oxygen-blown autothermal reforming as the core technology, combined with pressure-swing adsorption for hydrogen puri…
View article: CO<sub>2</sub> Capture and Enhanced Hydrogen Production Enabled by Low-Temperature Separation of PSA Tail Gas: A Detailed Exergy Analysis
CO<sub>2</sub> Capture and Enhanced Hydrogen Production Enabled by Low-Temperature Separation of PSA Tail Gas: A Detailed Exergy Analysis Open
Hydrogen from natural gas reforming can be produced efficiently with a high CO2 capture rate. This can be achieved with oxygen-blown autothermal reforming as core technology combined with pressure-swing adsorption for hydrogen purification…
View article: On the exergy efficiency of CO2 capture: The relation between sub-process and overall efficiencies
On the exergy efficiency of CO2 capture: The relation between sub-process and overall efficiencies Open
A generic exergy targeting tool for gas separation processes is developed, which is applicable to any defined boundary conditions for incoming feed gas as well as delivered separation products. Whereas targeting tools in the literature so …
View article: CO2 Capture from IGCC by Low-Temperature Synthesis Gas Separation
CO2 Capture from IGCC by Low-Temperature Synthesis Gas Separation Open
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. For decarbonisati…
View article: CO2 Liquefaction Close to the Triple Point Pressure
CO2 Liquefaction Close to the Triple Point Pressure Open
For vessel-based transport of liquid CO2 in carbon capture and storage chains, transport at 8 bar(a) enable significant cost reductions compared to transport at higher pressures for most transport distances and volumes. Transport at even l…
View article: Liquid hydrogen as prospective energy carrier: A brief review and discussion of underlying assumptions applied in value chain analysis
Liquid hydrogen as prospective energy carrier: A brief review and discussion of underlying assumptions applied in value chain analysis Open
In the literature, different energy carriers are proposed in future long-distance hydrogen value chains. Hydrogen can be stored and transported in different forms, e.g. as compressed dense-phase hydrogen, liquefied hydrogen and in chemical…
View article: Dissecting the exergy balance of a hydrogen liquefier: Analysis of a scaled-up claude hydrogen liquefier with mixed refrigerant pre-cooling
Dissecting the exergy balance of a hydrogen liquefier: Analysis of a scaled-up claude hydrogen liquefier with mixed refrigerant pre-cooling Open
For liquid hydrogen (LH2) to become an energy carrier in energy commodity markets at scales comparable to for instance LNG, liquefier capacities must be scaled up several orders of magnitude. While state-of-the-art liquefiers can provide s…
View article: Comparing exergy losses and evaluating the potential of catalyst-filled plate-fin and spiral-wound heat exchangers in a large-scale Claude hydrogen liquefaction process
Comparing exergy losses and evaluating the potential of catalyst-filled plate-fin and spiral-wound heat exchangers in a large-scale Claude hydrogen liquefaction process Open
Detailed heat exchanger designs are determined by matching intermediate temperatures in a large-scale Claude refrigeration process for liquefaction of hydrogen with a capacity of 125 tons/day. A comparison is made of catalyst filled plate-…
View article: Concept of hydrogen fired gas turbine cycle with exhaust gas recirculation: Assessment of process performance
Concept of hydrogen fired gas turbine cycle with exhaust gas recirculation: Assessment of process performance Open
High hydrogen content fuels can be used in gas turbine for power generation with CO2 capture, IGCC plants or with hydrogen from renewables. The challenge for the engine is the high reactive combustion properties making dilution necessary t…
View article: Carbon Capture and Storage
Carbon Capture and Storage Open
Climate change is one of the main threats to modern society. This phenomenon is associated with an increase in greenhouse gas (GHGs, mainly carbon dioxide—CO2) emissions due to anthropogenic activities. The main causes are the burning of f…
View article: Profiting from CCS innovations: A study to measure potential value creation from CCS research and development
Profiting from CCS innovations: A study to measure potential value creation from CCS research and development Open
Globally, large private and public funds are invested into CO2 capture and storage (CCS) research to provide the knowledge and technology required to mitigate CO2 emissions below a sustainable level. A pertinent question to ask is whether …
View article: D2.11 CEMCAP Strategic conclusions – progressing CO2 capture from cement towards demonstration
D2.11 CEMCAP Strategic conclusions – progressing CO2 capture from cement towards demonstration Open
The objective of the 42-month Horizon2020 project CEMCAP (Budget ~10 MEUR) has been to prepare the ground for large-scale implementation of CO2 capture in the European cement industry. CEMCAP has tested and analyzed five different CO2 capt…
View article: Comparison of Technologies for CO2 Capture from Cement Production—Part 1: Technical Evaluation
Comparison of Technologies for CO2 Capture from Cement Production—Part 1: Technical Evaluation Open
A technical evaluation of CO2 capture technologies when retrofitted to a cement plant is performed. The investigated technologies are the oxyfuel process, the chilled ammonia process, membrane-assisted CO2 liquefaction, and the calcium loo…
View article: Comparison of Technologies for CO2 Capture from Cement Production—Part 2: Cost Analysis
Comparison of Technologies for CO2 Capture from Cement Production—Part 2: Cost Analysis Open
This paper presents an assessment of the cost performance of CO2 capture technologies when retrofitted to a cement plant: MEA-based absorption, oxyfuel, chilled ammonia-based absorption (Chilled Ammonia Process), membrane-assisted CO2 liqu…
View article: Supplementary information for D4.6 CEMCAP comparative techno-economic analysis of CO2 capture in cement plants
Supplementary information for D4.6 CEMCAP comparative techno-economic analysis of CO2 capture in cement plants Open
Supplementary information for D4.6 CEMCAP comparative techno-economic analysis of CO2 capture in cement plants
View article: Supplementary information for D4.6 CEMCAP comparative techno-economic analysis of CO2 capture in cement plants
Supplementary information for D4.6 CEMCAP comparative techno-economic analysis of CO2 capture in cement plants Open
Supplementary information for D4.6 CEMCAP comparative techno-economic analysis of CO2 capture in cement plants
View article: D4.6 CEMCAP comparative techno-economic analysis of CO2 capture in cement plants
D4.6 CEMCAP comparative techno-economic analysis of CO2 capture in cement plants Open
In CEMCAP, four different CO2 capture technologies for cement plants are investigated: the oxyfuel technology, the chilled ammonia process, membrane-assisted CO2 liquefaction, and the calcium looping technology. This report presents a tech…
View article: Dynamic modelling of a liquid hydrogen loading cycle from onshore storage to a seaborne tanker.
Dynamic modelling of a liquid hydrogen loading cycle from onshore storage to a seaborne tanker. Open
For liquid hydrogen (LH2) to become a global, carbon-free energy commodity, scaling-up of liquefaction, storage and transport technologies requires extensive research and engineering. The present work analyses a large-scale LH2 transfer pr…
View article: Experimental investigation of low temperature CO2 liquefaction and phase-separation for carbon capture.
Experimental investigation of low temperature CO2 liquefaction and phase-separation for carbon capture. Open
A low-temperature CO2 liquefaction and phase-separation experimental rig has been built in SINTEF's Thermal Energy laboratory in Trondheim for investigation of carbon capture and CO2 liquefaction applications. This paper describes the expe…
View article: D4.5 Retrofitability study for CO2 capture technologies in cement plants
D4.5 Retrofitability study for CO2 capture technologies in cement plants Open
This document provides a comparative study of the retrofitability of different CO2 capture technologies which have been investigated within the framework of the CEMCAP project. Different criteria have been defined for a qualitative assessm…
View article: D11.2 Experimental investigation of CO2 liquefaction for CO2 capture from cement plants
D11.2 Experimental investigation of CO2 liquefaction for CO2 capture from cement plants Open
This report gives a detailed description of the 10 ton per day low temperature CO2 liquefaction and phase separation laboratory rig installed in SINTEF Energy's laboratories in Trondheim, including specifications for its main components. T…
View article: D11.4 Membrane-assisted CO2-liquefaction scale up to TRL7–8
D11.4 Membrane-assisted CO2-liquefaction scale up to TRL7–8 Open
The membrane-assisted CO2-liquefaction carbon capture process has been investigated by process simulations and laboratory experiments to validate its performance. To increase the TRL level to 7-8, a pilot facility with real flue gas from a…