Øyvind Langørgen's research while affiliated with SINTEF and other places

Publications (22)

Article
Full-text available
In this paper, a kinetic-diffusion surface combustion model is examined. The model is modified such that two effects of turbulence are included: 1) enhancement of the mass transfer due to relative velocity between particles and fluid and 2) reduction of the mass transfer due to turbulence-induced particle clustering. Details of the implementation a...
Article
A key for chemical-looping combustion (CLC) is the oxygen carrier. The ultimate test is obviously the actual operation, which reveals if it turns to dust, agglomerates or loses its reactivity or oxygen carrier capacity. The CLC process has been operated in 46 smaller chemical-looping combustors, for a total of more than 11,000 h. The operation invo...
Article
Full-text available
https://www.sciencedirect.com/science/article/pii/S2213138818306520 (open access). Additional investments to negative emission technologies, such as reforestation or bioenergy with carbon capture and storage (BECCS), are required to achieve Paris Agreement targets. Chemical-looping combustion of biomass (Bio-CLC) is an under-the-development combu...
Article
Full-text available
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 this is the best way of spending limited resources. This paper presents a study aiming to quantify the potentia...
Article
In this work, a CFD simulator has been developed for a novel double loop circulating fluidized bed (DLCFB) reactor which is used for chemical looping combustion process. The simulator is implemented in an in-house code including the kinetic theory of granular flow and reaction models. Methane is used as fuel and copper oxide based particles used as...
Article
Full-text available
Oxy-fuel conditions may have a considerable influence on the cement production process. This paper presents the results of a first validation work aiming to model the combustion behavior under rich CO2 conditions. The experiments took place in a 500 kWth pulverized fuel combustion rig. A swirl burner is employed to stabilize an air and an oxy-fuel...
Article
Full-text available
The paper gives a high level overview of the work performed in the EU-FP7 funded project SUCCESS (Scale-up of oxygen carrier for chemical looping combustion using environmentally sustainable materials). The project is the most recent one in a series of successful EU-funded research projects on the chemical looping combustion (CLC) technology. Its m...
Article
Full-text available
The Nordic countries constitute a natural location for the development and deployment of Bio-Energy with Carbon Capture and Storage (BECCS). Finland, Sweden and Denmark are world-leading with respect to heat and power generation from sustainable biomass. Norway is world-leading with respect to Carbon Capture and Storage (CCS). The Nordic countries...
Article
Full-text available
Chemical looping combustion experiments have been conducted in the 150kW CLC reactor at SINTEF Energy Research in Trondheim with good results. Methane was used as fuel and porous copper oxide based particles, with a bulk density of 800kg/m³ were, used as oxygen carrier. At a fuel power of 140kW the methane conversion was limited to about 90%, but a...
Article
The paper presents the advantages of a new boiler solution for the supercritical power plant with CO2 capture. The mild oxyfuel combustion (MOFC) combines the advantages of mild (moderate and intensive low-oxygen dilution) combustion and oxyfuel combustion for the purpose of an effective CO2 capture from fossil fuel based power generation. MOFC app...
Article
Full-text available
Many industrial processes are based on two reactions: a primary one related to the achievement of the main process objective and a secondary one which is necessary to continuously run the process. Those reactions can be performed continuously by means of two interconnected fluidized beds.The proposed design consists of two interconnected circulatin...
Conference Paper
Full-text available
A promising candidate for CO2 neutral power production is Semi-Closed Oxyfuel Combustion Combined Cycles (SCOC CC). Two alternative SCOC-CCs have been investigated both with recirculation of the Working Fluid (CO2 and H2O) but with different H2O content due to different conditions for condensation of water from the Working Fluid. The alternative wi...
Article
Full-text available
The BIGCO2 R&D (BIGCO2) Platform is an international collaborative research project aiming at developing several enabling technologies and innovative solutions supporting a large-scale deployment of CO2 capture from power generation and underground storage of CO2. All main routes for CO2 capture are investigated. The project is coordinated by SINTE...
Article
SINTEF Energy Research and the Norwegian University of Science and Technology – NTNU have proposed a 150 kWth reactor system design aiming at further development of chemical looping processes. It consists of a double loop circulating fluidized bed, meant to be used as a platform to study atmospheric chemical looping combustion configurations, as we...
Article
Full-text available
A 150 kWth second generation chemical looping combustion reactor system has been designed. It is a double loop circulating fluidized bed meant to achieve high solids circulation and be flexible in operation. Attention was also focused on the usage of industrial solutions and compactness, to go towards commercialization and pressurization as a furth...
Article
As lean premixed combustion systems are more susceptible to combustion instabilities than non-premixed systems, there is an increasing demand for improved numerical design tools that can predict the occurrence of combustion instabilities with high accuracy. The inherent nonlinearities in combustion instabilities can be of crucial importance, and we...
Article
Nowadays the lab scale feasibility of the chemical looping combustion technology has been proved. This article deals with many of the design requirements that need to be fulfilled to make this technology applicable at industrial scale. A design for a 150kWth chemical looping combustion reactor system is proposed. In the base case it is supposed to...
Article
The paper will present a proposal for a more accurate NOX emission factor and methodology for reporting NOX emissions from offshore gas flaring. The work has been performed by the authors on behalf of the Norwegian Oil Industry Association and the Norwegian Petroleum Directorate. There are large uncertainties in reported NOX emissions from gas flar...

Citations

... One solution to this problem would be to add fuel gasification as a pre-step to the CLC unit. 9 Other possibilities are to apply in situ gasification chemical looping combustion (iG-CLC) or chemical looping with oxygen uncoupling (CLOU). 15 In iG-CLC, solid fuel is fed directly to the FR and gasification occurs in situ with recirculated exhaust gas (H 2 O and CO 2 ) as fluidizing gas and gasification agent. ...
... Morales-España et al. provide other constraints, such as minimum uptime and downtime, startup and shutdown capability, variable startup cost, etc., that can apply to this model [87]. CHP units can also be modeled using multiple conversion components, particularly when the plant has more operating modes and offers more flexibility [55,88]. Helistö et al. present a more generic formulation where the unit can have multiple inputs and outputs [89]. ...
... Many studies are devoted to the careful consideration of th problems of financing, high operating and capital costs. However, only a few of the present a systematization of the commercial effects that businesses can get from the technologies [94,95]; this case is also associated with broader public effects. ...
... To date, investigations of CLC performance have been conducted using thermogravimetric analysis (TGA) (Hwang et al., 2018;Benincosa et al., 2017), batch fixed/fluidized bed reactors Zhang et al., 2017;Song et al., 2018;Chisalita and Cormos, 2018), and interconnected fluidized bed reactors (shown in Fig. 3) Ma et al., 2015a;Ma et al., 2015b). Investigations have also focused on specific aspects of the CLC process including chemical reaction mechanisms (Monazam et al., 2013;, effects of oxygen carrier properties (Xiao et al., 2018;Deng et al., 2018;Gao et al., 2016;Hu et al., 2016), or influence of reaction temperature on fuel conversion (Song et al., 2018;Wang et al., 2017), all of which can be conducted using a simple reactor design. ...
... An aspect highlighted is the control of the entry of air in the process, necessary to maintain high concentrations of CO 2 in the flue gas generated. Carrasco-Maldonado et al. (2017) have modeled the combustion behavior under rich CO 2 conditions. The experiments took place in a 500 kWth pulverized fuel combustion rig and employed a swirl burner to stabilize an air and an oxy-fuel case (29% oxygen in combustion gases). ...
... To date, the continuous operation of chemical looping plants has been focused on the range of 0.3 kW to 3 MW with gaseous, liquid, and solid fuels. Several CLC units with solid fuels or gas fuels,such as Chalmers 10 and 100 kW [3,4], CSIC1.5 and 50 kW [5,6], SINTEF 150 kW [7], SEU 3 and 20 kW [8,9], and Utah 225 kW [10] have been erected and operated. More details about the CLC units have been reviewed in the literature [1,11]. ...
... Use of biomass makes CLC even more attractive in view of the rapidly diminishing carbon budget for the target of a maximum 1.5°C temperature rise, 1 because CO 2 will be captured from the atmosphere through a bio-CLC process and negative CO 2 emissions will be attained. 20,21 Demonstration of bio-CLC has been successfully performed in 0.5−100 kW th pilot units 22−28 for CLC and even partial CLC in a 12 MW th boiler, 29 and more research is needed for bio-CLC. Ash from solid fuels is incombustible in CLC, and it is the main residue in the fuel reactor after the devolatilization of fuel and gasification of char (see reaction R2). ...
... Use of low-cost manganese ore and lime for production of calcium manganite was demonstrated in EU project SUCCESS. 48,93 Although there is an extra cost for producing calcium manganite as compared to the natural ores often used for solid fuels, this might be motivated given the improvement in gas conversion which would reduce or even eliminate, downstream costs for oxygen polishing to remove combustibles from the CO2 stream. ...
... Moderate or intense low oxygen dilution (MILD) techniques are developing to maintain low levels of nitrogen oxide production [50]. Moderate and intensive low-oxygen dilution oxyfuel combustion technologies, in which the advantages of oxy-combustion and MILD technology are combined, are also intensively developed [51,52]. ...
... The gas turbine flue gases, consisting mainly of CO2 and H2O, supply energy to the heat recovery steam generator (HRSG), producing steam for the bottoming Rankine cycle. After the HRSG, the water in the flue gases is separated; then, most of the CO2 is recycled back to the gas turbine, while the remaining CO2 is purified and compressed for storage [7]. ...