222 results found
Fan Y, Yao JG, Zhang Z, et al., 2018, Pressurized calcium looping in the presence of steam in a spout-fluidized bed reactor with DFT analysis, FUEL PROCESSING TECHNOLOGY, Vol: 169, Pages: 24-41, ISSN: 0378-3820
Li X, Peng C, Crawshaw JP, et al., 2018, The pH of CO2-saturated aqueous NaCl and NaHCO3 solutions at temperatures between 308 K and 373 K at pressures up to 15 MPa, FLUID PHASE EQUILIBRIA, Vol: 458, Pages: 253-263, ISSN: 0378-3812
Al Ghafri SZS, Maitland GC, Trusler JPM, 2017, Phase Behavior of the System (Carbon Dioxide plus n-Heptane plus Methylbenzene): A Comparison between Experimental Data and SAFT-gamma-Mie Predictions, JOURNAL OF CHEMICAL AND ENGINEERING DATA, Vol: 62, Pages: 2826-2836, ISSN: 0021-9568
Alderman NJ, Gavignet A, Guillot D, et al., 2017, High-temperature, high-pressure rheology of water-based muds.
This paper reports measurements of the rheology of a range of water based drilling muds at temperatures up to 130DEGREESC and pressures up to 1000 bar. The fluids were highly thixotropic, and decoupling of temperature/pressure effects from those due to time dependent structural changes was achieved by developing a sample preparation and handling procedure which ensured that all samples experienced identical shear histories prior to study in the rheometer. The observed behaviour of the fluids and its physical origins are discussed. A simple model allowing reliable extrapolation of surface measurements to downhole conditions for well circulated water based muds is presented.
Mac Dowell N, Fennell PS, Shah N, et al., 2017, The role of CO2 capture and utilization in mitigating climate change, NATURE CLIMATE CHANGE, Vol: 7, Pages: 243-249, ISSN: 1758-678X
Yao JG, Zhang Z, Sceats M, et al., 2017, Two-Phase Fluidized Bed Model for Pressurized Carbonation Kinetics of Calcium Oxide, ENERGY & FUELS, Vol: 31, Pages: 11181-11193, ISSN: 0887-0624
Cadogan SP, Mistry B, Wong Y, et al., 2016, Diffusion Coefficients of Carbon Dioxide in Eight Hydrocarbon Liquids at Temperatures between (298.15 and 423.15) K at Pressures up to 69 MPa, JOURNAL OF CHEMICAL AND ENGINEERING DATA, Vol: 61, Pages: 3922-3932, ISSN: 0021-9568
Chow YTF, Eriksen DK, Galindo A, et al., 2016, Interfacial tensions of systems comprising water, carbon dioxide and diluent gases at high pressures: Experimental measurements and modelling with SAFT-VR Mie and square-gradient theory, FLUID PHASE EQUILIBRIA, Vol: 407, Pages: 159-176, ISSN: 0378-3812
Chow YTF, Maitland GC, Trusler JPM, 2016, Interfacial tensions of the (CO2 + N-2 + H2O) system at temperatures of (298 to 448) K and pressures up to 40 MPa, JOURNAL OF CHEMICAL THERMODYNAMICS, Vol: 93, Pages: 392-403, ISSN: 0021-9614
Maitland G, 2016, Importance of CCS, CHEMISTRY & INDUSTRY, Vol: 80, Pages: 32-32, ISSN: 0009-3068
Maitland GC, 2016, Carbon Capture and Storage: concluding remarks, FARADAY DISCUSSIONS, Vol: 192, Pages: 581-599, ISSN: 1359-6640
Peng C, Anabaraonye BU, Crawshaw JP, et al., 2016, Kinetics of carbonate mineral dissolution in CO2-acidified brines at storage reservoir conditions, FARADAY DISCUSSIONS, Vol: 192, Pages: 545-560, ISSN: 1359-6640
Rufai A, Crawshaw J, Maitland G, 2016, Capillary disconnect during evaporation in porous media: Visualization of transition from stage-1 to stage-2 evaporation regime
Schmidt KAG, Pagnutti D, Curran MD, et al., 2016, New Experimental Data and Reference Models for the Viscosity and Density of Squalane (vol 60, pg 137, 2015), JOURNAL OF CHEMICAL AND ENGINEERING DATA, Vol: 61, Pages: 698-698, ISSN: 0021-9568
Smit B, Graham R, Styring P, et al., 2016, CCS - A technology for the future: general discussion, FARADAY DISCUSSIONS, Vol: 192, Pages: 303-335, ISSN: 1359-6640
Smit B, Styring P, Wilson G, et al., 2016, Modelling - from molecules to megascale: general discussion, FARADAY DISCUSSIONS, Vol: 192, Pages: 493-509, ISSN: 1359-6640
Al Ghafri SZS, Forte E, Galindo A, et al., 2015, Experimental and Modeling Study of the Phase Behavior of (Heptane plus Carbon Dioxide plus Water) Mixtures, JOURNAL OF CHEMICAL AND ENGINEERING DATA, Vol: 60, Pages: 3670-3681, ISSN: 0021-9568
Bailey L, Lekkerkerker HNW, Maitland GC, 2015, Smectite clay - inorganic nanoparticle mixed suspensions: phase behaviour and rheology, SOFT MATTER, Vol: 11, Pages: 222-236, ISSN: 1744-683X
Cadogan S, Maitland GC, Mistry B, et al., 2015, Diffusion coefficients of carbon dioxide in liquid hydrocarbons at high pressures: Experiment and modeling, Pages: 69-75
Cadogan S, Maitland GC, Mistry B, et al., 2015, Diffusion coefficients of carbon dioxide in liquid hydrocarbons at high pressures: Experiment and modeling, Pages: 144-150
In this work we have: • Obtained new experimental data for CO 2 diffusion in normal alkanes from C 6 to C 16 and in squalane (C 30 H 62 ) • Developed a universal correlation for the n-alkane systems in terms of temperature, solvent molar volume and carbon number • Squalane data suggests that the correlation should become nonlinear at high densities.
Cadogan SP, Hallett JP, Maidand GC, et al., 2015, Diffusion Coefficients of Carbon Dioxide in Brines Measured Using C-13 Pulsed-Field Gradient Nuclear Magnetic Resonance, JOURNAL OF CHEMICAL AND ENGINEERING DATA, Vol: 60, Pages: 181-184, ISSN: 0021-9568
Dechatiwongse P, Maitland G, Hellgardt K, 2015, Demonstration of a two-stage aerobic/anaerobic chemostat for the enhanced production of hydrogen and biomass from unicellular nitrogen-fixing cyanobacterium, ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS, Vol: 10, Pages: 189-201, ISSN: 2211-9264
Hou S-X, Maitland GC, Trusler JPM, 2015, Phase equilibria of (CO2 + butylbenzene) and (CO2 + butylcyclohexane) at temperatures between (323.15 and 423.15) K and at pressures up to 21 MPa, FLUID PHASE EQUILIBRIA, Vol: 387, Pages: 111-116, ISSN: 0378-3812
Maitland G, 2015, Refining in the reservoir, TCE The Chemical Engineer, Pages: 32-35, ISSN: 0302-0797
McBride-Wright M, Maitland GC, Trusler JPM, 2015, Viscosity and Density of Aqueous Solutions of Carbon Dioxide at Temperatures from (274 to 449) K and at Pressures up to 100 MPa, JOURNAL OF CHEMICAL AND ENGINEERING DATA, Vol: 60, Pages: 171-180, ISSN: 0021-9568
Peng C, Crawshaw JP, Maitland GC, et al., 2015, Kinetics of calcite dissolution in CO2-saturated water at temperatures between (323 and 373) K and pressures up to 13.8 MPa, Chemical Geology, Vol: 403, Pages: 74-85, ISSN: 1872-6836
We report measurements of the calcite dissolution rate in CO2-saturated water at pressures ranging from (6.0 to 13.8) MPa and temperatures from (323 to 373) K. The rate of calcite dissolution in HCl(aq) at temperatures from (298 to 353) K was also measured at ambient pressure with pH between 2.0 and 3.3. A specially-designed batch reactor system, implementing a rotating disc technique, was used to obtain the dissolution rate at the solid/liquid interface of a single crystal, free of mass transfer effects. We used vertical scanning interferometry to examine the texture of the calcite surface produced by the experiment and the results suggested that at far-from-equilibrium conditions, the measured calcite dissolution rate was independent of the initial defect density due to the development of a dynamic dissolution pattern which became steady-state shortly after the onset of dissolution. The results of this study indicate that the calcite dissolution rate under surface-reaction-controlled conditions increases with the increase of temperature from (323 to 373) K and CO2 partial pressure from (6.0 to 13.8) MPa. Fitting the conventional first order transition state kinetic model to the observed rate suggested that, although sufficient to describe calcite dissolution in CO2-free HCl(aq), this model clearly underestimate the calcite dissolution rate in the (CO2 + H2O) system over the range of conditions studied. A kinetic model incorporating both pH and the activity of CO2(aq) has been developed to represent the dissolution rates found in this study. We report correlations for the corresponding reaction rate coefficients based on the Arrhenius equation and compare the apparent activation energies with values from the literature. The results of this study should facilitate more rigorous modelling of mineral dissolution in deep saline aquifers used for CO2 storage.
Remiezowicz E, Spooren J, Bay E, et al., 2015, Capture agents, conversion mechanisms, biotransformations and biomimetics: general discussion, FARADAY DISCUSSIONS, Vol: 183, Pages: 463-487, ISSN: 1359-6640
Schmidt KAG, Pagnutti D, Curran MD, et al., 2015, New Experimental Data and Reference Models for the Viscosity and Density of Squalane, JOURNAL OF CHEMICAL AND ENGINEERING DATA, Vol: 60, Pages: 137-150, ISSN: 0021-9568
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