Showing papers in "International Journal of Greenhouse Gas Control in 2011"

TL;DR: In this paper, the authors present a detailed analysis of the nitrogen and sulphur chemistry in a laboratory-scale facility under oxy-fuel combustion conditions, in particular with respect to the combustion mechanism, pollutant reduction, the risk of corrosion, and the properties of the fly ash or its resulting deposits.

TL;DR: In this article, a fault hydromechanical model was used to analyze fluid flow and stress coupling in fault-instability processes and showed that shear-enhanced permeability initiated where the fault intersects the injection zone plays an important role in propagating fault instability and permeability enhancement through the overlying caprock.

TL;DR: In this article, the authors review the status of knowledge in regard to the failure of existing wells, with special attention to the laboratory experiments, field investigations and numerical simulations carried out in the last several years in attempts to elucidate the behavior of well cements in the presence of CO2.

TL;DR: The impact of coal mine methane emissions in China has been drawing attention as coal production has powered its economic development as discussed by the authors, however, Chinese methane emission from coal production accounts for only a very small proportion on the environmental impact when compared to emissions of carbon dioxide from fossil fuel consumption.

TL;DR: A detailed description of the United States Department of Energy (US-DOE) methodology for estimating CO 2 storage potential for oil and gas reservoirs, saline formations, and unmineable coal seams is provided in this article.

TL;DR: In this paper, the effect of temperature and coal particle size on coal conversion and combustion efficiency was assessed in a 500-Wth facility with bituminous coal with ilmenite as an oxygen-carrier.

TL;DR: In this article, 15 process flow sheet modifications for chemical based CO2 absorption processes are reviewed, with a particular focus on the patent literature, identifying potentially moderate to large improvements in the energy performance of the chemical absorption process.

TL;DR: In this paper, a hybrid life cycle assessment is used to assess and compare the life cycle environmental impacts of electricity generation from coal and natural gas with various carbon capture and storage (CCS) technologies consisting of post-combustion, pre-Combustion or oxyfuel capture; pipeline CO2 transport and geological storage.

TL;DR: In this paper, the authors present a numerical simulation study of a full CO 2 core flooding and imbibition cycle performed on a heterogeneous Tako sandstone core (measured 14.5 cm long and 3.68 cm in diameter).

TL;DR: In this paper, the authors evaluated the corrosive potential of carbon steel under high pressure CO2-water systems to simulate the condition of CO2 transportation pipeline in the CO2 capture and storage (CCS) applications.

TL;DR: In this article, an experimental and modeling study of two fundamental properties in high pressure CO2-NaCl brine equilibrium, i.e., CO2 solubility in NaCl brines and CO2 saturated NaCl density, is presented.

TL;DR: In this paper, the authors describe possible implementations of an oxygen transport membrane (OTM) into an oxyfuel process, in particular that is three-end and four-end integration of the membrane whereby the focus is put on overall cycle efficiency and possible measures to improve cycle efficiency.

TL;DR: In this article, the perovskite material CaMn0.875Ti0.125O3 has been examined as an oxygen carrier for chemical-looping with oxygen uncoupling, and for chemical loping combustion of natural gas, by 70 h of experiments in a circulating fluidized-bed reactor system.

TL;DR: In this article, the authors review the literature on the range of potential compositions in CCS CO2 streams and the likely phases that will be in such streams, the relevant history of CO2 pipelines, and laboratory studies of carbon dioxide corrosion, with a view to understanding the corrosion threat to pipelines where CO2 is the primary fluid.

TL;DR: In this article, a trigeneration system consisting of a gas turbine cycle, a steam turbine cycle and a single-effect absorption chiller is reported, and parameters that measure environmental impact and sustainability are evaluated.

TL;DR: In this paper, a dual amino ionic liquid with amino-functionalized imidazolium cation and taurine anion was synthesized and characterized using a volumetric method at 303.15 and 323.15 K.

TL;DR: In this paper, a series of experiments have been conducted for coal samples using both non-adsorbing and adsorbing gases at various confining stresses and pore pressures.

TL;DR: In this paper, an economic and environmental evaluation of chemical looping combustion (CLC) technology is presented by comparing it with a reference plant, a combined cycle power plant that includes no CO2 capture.

TL;DR: In this paper, a hybrid life cycle assessment has been used to assess the environmental impacts of natural gas combined cycle (NGCC) electricity generation with carbon dioxide capture and storage (CCS).

TL;DR: In this paper, the main component of the process, absorber and stripper were specifically modelled around a rate-based model with mass transfer and chemical kinetics, and their impact on the thermal power plant is also briefly studied in order to permit the performances comparison in terms of plant efficiency (electric power output/coal lower heating value).

TL;DR: In this article, the authors simulate 50 years of injection of supercritical CO 2 and use a Monte Carlo framework to analyze the overall system behavior and demonstrate the importance of residual brine saturations, the range of current options to quantify leaky well properties, and the impact of depth of injection and how it relates to leakage risk.

TL;DR: In this paper, the authors measured the absorption of CO2 with different solvents in a commercially available reaction calorimeter CPA-122 (Chemisens AS, Sweden) as function of temperature, loading and solvent composition over the temperature range from 40 to 120°C.

TL;DR: In this article, the authors presented the results of a numerical parametric study of CO 2 capture by indirect TSA (Temperature Swing Adsorption) was demonstrated experimentally in a previous work.

TL;DR: In this article, double salts of MgCO3 and K2CO3 were used for capturing CO2 from synthesis gas (syngas) at high temperatures (>100°C).

TL;DR: In this article, the storage potential for cold, quartz-rich reservoirs, hereafter termed Utsira-type reservoirs, was solved using the numerical code PHREEQC, using a rate model that took into account both nucleation and growth of secondary mineral phases.

TL;DR: In this article, a manganese ore with a reversible capacity of 4.9% oxygen at 1000°C was selected as the most promising for chemical looping combustion applications, and this material was modified by adding of calcia to explore the possibility of enhancing the kinetic, catalytic and mechanical properties.

TL;DR: In this paper, the potential environmental impact of emissions to air that result from use of monoethanol amine (MEA) as an absorption solvent for the capture of carbon dioxide (CO2).

TL;DR: In this paper, concentration and temperature dependencies for the dissolution of antigorite serpentine in the presence of the citrate ion were experimentally derived under weakly acidic conditions, and rates were shown to be several orders of magnitude higher in the case of citrate than in the weakly acid solution alone.

TL;DR: In this paper, the current international status of the technology; the contributions of current demonstrations; and a roadmap for commercial deployment is provided. But, even if a unit was economically viable and could be provided by a vendor, the generator and vendor would need to share the technical risk.

TL;DR: In this article, different lithium orthosilicate based sorbents, pure and modified with potassium carbonate, obtained using amorphous and crystalline silica were prepared and characterized by scanning electron microscopy and X-ray diffraction.