All Outputs (85)

Thermal Cracking of Oil under Water Pressure up to 900 bar at High Thermal Maturities. 1. Gas Compositions and Carbon Isotopes (2016)
Journal Article
Xie, L., Sun, Y., Uguna, C. N., Li, Y., Snape, C. E., & Meredith, W. (2016). Thermal Cracking of Oil under Water Pressure up to 900 bar at High Thermal Maturities. 1. Gas Compositions and Carbon Isotopes. Energy and Fuels, 30(4), 2617-2627. https://doi.org/10.1021/acs.energyfuels.5b02792

In this study, a C9+ fraction of saturate-rich Tertiary source rock-derived oil from the South China Sea basin was pyrolyzed in normal and supercritical water using a 25 mL vessel at a range of temperature from 350 to 425 °C for 24 h, to probe pressu... Read More about Thermal Cracking of Oil under Water Pressure up to 900 bar at High Thermal Maturities. 1. Gas Compositions and Carbon Isotopes.

Effect of Potassium on the Mechanisms of Biomass Pyrolysis Studied using Complementary Analytical Techniques (2016)
Journal Article
Le Brech, Y., Ghislain, T., Leclerc, S., Bouroukba, M., Delmotte, L., Brosse, N., Snape, C., Chaimbault, P., & Dufour, A. (2016). Effect of Potassium on the Mechanisms of Biomass Pyrolysis Studied using Complementary Analytical Techniques. ChemSusChem, 9(8), 863-872. https://doi.org/10.1002/cssc.201501560

Complementary analytical methods have been used to study the effect of potassium on the pyrolysis mechanisms of cellulose and lignocellulosic biomasses. Thermogravimetry, calorimetry, high-temperature 1H NMR spectroscopy (in situ and real-time analys... Read More about Effect of Potassium on the Mechanisms of Biomass Pyrolysis Studied using Complementary Analytical Techniques.

Pyrolysis oil upgrading in high conversions using sub- and supercritical water above 400 °C (2016)
Journal Article
Isa, K. M., Snape, C. E., Uguna, C., Meredith, W., & Deng, H. (2016). Pyrolysis oil upgrading in high conversions using sub- and supercritical water above 400 °C. Journal of Analytical and Applied Pyrolysis, 119, 180-188. https://doi.org/10.1016/j.jaap.2016.03.004

The upgrading of pyrolysis oil to bio-fuel was investigated using sub- and supercritical water at 410 and 450oC, with a high mass ratio of water to pyrolysis oil to ascertain the maximum yields that could be achieved. The results indicate that conver... Read More about Pyrolysis oil upgrading in high conversions using sub- and supercritical water above 400 °C.

Impact of high water pressure on oil generation and maturation in Kimmeridge Clay and Monterey source rocks: implications for petroleum retention and gas generation in shale gas systems (2016)
Journal Article
Uguna, C. N., Carr, A. D., Snape, C. E., Meredith, W., Scotchman, I. C., Murray, A., & Vane, C. H. (2016). Impact of high water pressure on oil generation and maturation in Kimmeridge Clay and Monterey source rocks: implications for petroleum retention and gas generation in shale gas systems. Marine and Petroleum Geology, 73, https://doi.org/10.1016/j.marpetgeo.2016.02.028

This study presents results for pyrolysis experiments conducted on immature Type II and IIs source rocks (Kimmeridge Clay, Dorset UK, and Monterey shale, California, USA respectively) to investigate the impact of high water pressure on source rock ma... Read More about Impact of high water pressure on oil generation and maturation in Kimmeridge Clay and Monterey source rocks: implications for petroleum retention and gas generation in shale gas systems.

Parametric study on the regeneration heat requirement of an amine-based solid adsorbent process for post-combustion carbon capture (2016)
Journal Article
Zhang, W., Liu, H., Sun, Y., Cakstins, J., Sun, C., & Snape, C. E. (2016). Parametric study on the regeneration heat requirement of an amine-based solid adsorbent process for post-combustion carbon capture. Applied Energy, 168, 394-405. https://doi.org/10.1016/j.apenergy.2016.01.049

The thermal energy required for regeneration of CO2-rich adsorbents or absorbents is usually regarded as the most important criterion to evaluate different materials and processes for application in commercialscale CO2 capture systems. It is expected... Read More about Parametric study on the regeneration heat requirement of an amine-based solid adsorbent process for post-combustion carbon capture.

Experimental evaluation of a Chinese sulfur-containing lean iron ore as the oxygen carrier for chemical-looping combustion (2015)
Journal Article
Wang, X., Liu, H., Jin, B., Zhao, J., Sun, C., & Snape, C. E. (2016). Experimental evaluation of a Chinese sulfur-containing lean iron ore as the oxygen carrier for chemical-looping combustion. Industrial & Engineering Chemistry Research, 55(2), 428-435. https://doi.org/10.1021/acs.iecr.5b03660

A series of chemical-looping combustion (CLC) tests were conducted in a thermogravimetric analysis (TGA) reactor to investigate the potential of a Chinese sulfur-containing lean iron ore as the oxygen carrier. Two main products of solidfuel pyrolysis... Read More about Experimental evaluation of a Chinese sulfur-containing lean iron ore as the oxygen carrier for chemical-looping combustion.

A comprehensive comparison of dye-sensitized NiO photocathodes for solar energy conversion (2015)
Journal Article
Wood, C. J., Summers, G. H., Clark, C. A., Kaeffer, N., Braeutigam, M., Carbone, L. R., D'Amario, L., Fan, K., Farré, Y., Narbey, S., Oswald, F., Stevens, L. A., Parmenter, C. D. J., Fay, M. W., La Torre, A., Snape, C. E., Dietzek, B., Dini, D., Hammarström, L., Pellegrin, Y., …Gibson, E. A. (2016). A comprehensive comparison of dye-sensitized NiO photocathodes for solar energy conversion. Physical Chemistry Chemical Physics, 18(16), 10727-10738. https://doi.org/10.1039/c5cp05326a

Ni Mg Mixed Metal Oxides for p-Type Dye-Sensitized Solar Cells (2015)
Journal Article
Zannotti, M., Wood, C. J., Summers, G. H., Stevens, L. A., Hall, M. R., Snape, C. E., Giovannetti, R., & Gibson, E. A. (2015). Ni Mg Mixed Metal Oxides for p-Type Dye-Sensitized Solar Cells. ACS Applied Materials and Interfaces, 7(44), 24556-24565. https://doi.org/10.1021/acsami.5b06170

Mg Ni mixed metal oxide photocathodes have been prepared by a mixed NiCl2/MgCl2 sol-gel process. The MgO/NiO electrodes have been extensively characterized using physical and electrochemical methods. Dye-sensitized solar cells have been prepared from... Read More about Ni Mg Mixed Metal Oxides for p-Type Dye-Sensitized Solar Cells.

Determining the lower limit of Liangzhu culture based on black carbon purification with hydropyrolysis technique (2015)
Journal Article
Zhang, X., Huang, D., Han Deng, H., Snape, C., Meredith, W., Zhao, Y., Du, Y., Chen, X., & Sun, Y. (2015). Determining the lower limit of Liangzhu culture based on black carbon purification with hydropyrolysis technique. Quaternary Geochronology, 30(A), https://doi.org/10.1016/j.quageo.2015.07.001

Located in the middle and lower reaches of the Yangtze River, the Liangzhu Culture was one of the most important Neolithic cultures at the dawn of Chinese civilization. However, uncertainty over the lower age limit ending the Liangzhu Culture has res... Read More about Determining the lower limit of Liangzhu culture based on black carbon purification with hydropyrolysis technique.

Multiple Cosmic Sources for Meteorite Macromolecules? (2015)
Journal Article
Sephton, M. A., Watson, J. S., Meredith, W., Love, G. D., Gilmour, I., & Snape, C. E. (2015). Multiple Cosmic Sources for Meteorite Macromolecules?. Astrobiology, 15(10), 779-786. https://doi.org/10.1089/ast.2015.1331

The major organic component in carbonaceous meteorites is an organic macromolecular material. The Murchison macromolecular material comprises aromatic units connected by aliphatic and heteroatom-containing linkages or occluded within the wider struct... Read More about Multiple Cosmic Sources for Meteorite Macromolecules?.

Utilization of carbonaceous materials to restore the coking properties of weathered coals (2015)
Journal Article
Castro Diaz, M., Fernanda Vega, M., Barriocanal, C., & Snape, C. (2015). Utilization of carbonaceous materials to restore the coking properties of weathered coals. Energy and Fuels, 29(9), 5744–5749. https://doi.org/10.1021/acs.energyfuels.5b01575

Coking coals with different rank and maceral compositions have been weathered, and their fluidity has been determined through high-temperature rheometry. The pristine and weathered coals were blended with carbonaceous additives comprised of coal tar,... Read More about Utilization of carbonaceous materials to restore the coking properties of weathered coals.

Fate of soil organic carbon and polycyclic aromatic hydrocarbons in a vineyard soil treated with biochar (2015)
Journal Article
Rombolà, A. G., Meredith, W., Baronti, S., Snape, C. E., Genesio, L., Vaccari, F. P., Miglietta, F., & Fabbri, D. (2015). Fate of soil organic carbon and polycyclic aromatic hydrocarbons in a vineyard soil treated with biochar. Environmental Science and Technology, 49(18), https://doi.org/10.1021/acs.est.5b02562

The effect of biochar addition on the levels of black carbon (BC) and polcyclic aromatic hydrocarbons (PAHs) in a vineyard soil in central Italy was investigated within a two year period. Hydropyrolysis (HyPy) was used to determine the contents of BC... Read More about Fate of soil organic carbon and polycyclic aromatic hydrocarbons in a vineyard soil treated with biochar.

Geochemistry and petrology of palaeocene coals from Spitzbergen — Part 2: Maturity variations and implications for local and regional burial models (2015)
Journal Article
Marshall, C., Uguna, J., Large, D. J., Meredith, W., Jochmann, M., Friis, B., Vane, C., Spiro, B. F., Snape, C. E., & Orheim, A. (2015). Geochemistry and petrology of palaeocene coals from Spitzbergen — Part 2: Maturity variations and implications for local and regional burial models. International Journal of Coal Geology, 143, 1-10. https://doi.org/10.1016/j.coal.2015.03.013

The Central Tertiary Basin is an uplifted part of the North Barents Shelf and should be an ideal location to understand the thermal history, maximum burial depth and overburden thickness in this petroleum-rich area. Efforts to quantify the thermal hi... Read More about Geochemistry and petrology of palaeocene coals from Spitzbergen — Part 2: Maturity variations and implications for local and regional burial models.

Geochemistry and petrology of Palaeocene coals from Spitsbergen — Part 1: oil potential and depositional environment (2015)
Journal Article
Marshall, C., Large, D. J., Meredith, W., Snape, C. E., Uguna, C. N., Spiro, B. F., Orheim, A., Jochmann, M., Mokogwu, I., Wang, Y., & Friis, B. (2015). Geochemistry and petrology of Palaeocene coals from Spitsbergen — Part 1: oil potential and depositional environment. International Journal of Coal Geology, 143, https://doi.org/10.1016/j.coal.2015.03.006

Abundant oil prone coal (Type III kerogen) deposits are preserved within the high latitude, middle Palaeocene, Todalen member of the Central Tertiary Basin, Spitsbergen Island, Norwegian Arctic. The coals (Svea, Longyear, Svarteper and Askeladden sea... Read More about Geochemistry and petrology of Palaeocene coals from Spitsbergen — Part 1: oil potential and depositional environment.

Coking and deactivation of a mesoporous Ni-CaO-ZrO2 catalyst in dry reforming of methane: a study under different feeding compositions (2014)
Journal Article
Wang, C., Sun, N., Zhao, N., Wei, W., Sun, Y., Sun, C., Liu, H., & Snape, C. (2015). Coking and deactivation of a mesoporous Ni-CaO-ZrO2 catalyst in dry reforming of methane: a study under different feeding compositions. Fuel, 143, 527-535. https://doi.org/10.1016/j.fuel.2014.11.097

A previously developed mesoporous Ni–CaO–ZrO2 catalyst (NCZ) was submitted to dry reforming of methane (DRM), and the influence of feeding compositions on the properties of accumulated carbon was comprehensively studied. To this end, the used catalys... Read More about Coking and deactivation of a mesoporous Ni-CaO-ZrO2 catalyst in dry reforming of methane: a study under different feeding compositions.

High pressure water pyrolysis of coal to evaluate the role of pressure on hydrocarbon generation and source rock maturation at high maturities under geological conditions (2014)
Journal Article
Uguna, C. N., Carr, A. D., Snape, C. E., & Meredith, W. (2015). High pressure water pyrolysis of coal to evaluate the role of pressure on hydrocarbon generation and source rock maturation at high maturities under geological conditions. Organic Geochemistry, 78, 44-51. https://doi.org/10.1016/j.orggeochem.2014.10.013

© 2014 Elsevier Ltd. This study investigates the effect of water pressure on hydrocarbon generation and source rock maturation at high maturities for a perhydrous Tertiary Arctic coal, Svalbard. Using a 25. ml Hastalloy vessel, the coal was pyrolysed... Read More about High pressure water pyrolysis of coal to evaluate the role of pressure on hydrocarbon generation and source rock maturation at high maturities under geological conditions.

Spectroscopic Studies of Internal Injector Deposits (IDID) Resulting from the Use of Non-Commercial Low Molecular Weight Polyisobutylenesuccinimide (PIBSI) (2014)
Journal Article
Barker, J., Reid, J., Snape, C., Scurr, D., & Meredith, W. (2014). Spectroscopic Studies of Internal Injector Deposits (IDID) Resulting from the Use of Non-Commercial Low Molecular Weight Polyisobutylenesuccinimide (PIBSI). SAE International Journal of Fuels and Lubricants, 7(3), 762-770. https://doi.org/10.4271/2014-01-2720

Copyright © 2014 SAE International. Since 2009, there has been a rise in deposits of various types found in diesel fuel injection systems. They have been identified in the filter, the injector tip and recently inside the injector. The latter internal... Read More about Spectroscopic Studies of Internal Injector Deposits (IDID) Resulting from the Use of Non-Commercial Low Molecular Weight Polyisobutylenesuccinimide (PIBSI).

Swellable, Water- and Acid-Tolerant Polymer Sponges for Chemoselective Carbon Dioxide Capture (2014)
Journal Article
Hasell, T., Woodward, R. T., Snape, C. E., Stevens, L. A., Dawson, R., Vijayaraghavan, M., Hasel, T., Silverwood, I. P., Ewing, A. V., Ratvijitvech, T., Exley, J. D., Chong, S. Y., Blanc, F., Adams, D. J., Kazarian, S. G., Drage, T. C., & Cooper, A. A. I. (2014). Swellable, Water- and Acid-Tolerant Polymer Sponges for Chemoselective Carbon Dioxide Capture. Journal of the American Chemical Society, 136(25), 9028-9035. https://doi.org/10.1021/ja5031968

Capturing CO2 from ambient air using a polyethyleneimine–silica adsorbent in fluidized beds (2014)
Journal Article
Zhang, W., Liu, H., Sun, C., Drage, T. C., & Snape, C. E. (2014). Capturing CO2 from ambient air using a polyethyleneimine–silica adsorbent in fluidized beds. Chemical Engineering Science, 116, 306-316. https://doi.org/10.1016/j.ces.2014.05.018

Carbon Capture and Storage (CCS) uses a combination of technologies to capture, transport and store carbon dioxide (CO2) emissions from large point sources such as coal or natural gas-fired power plants. Capturing CO2 from ambient air has been consid... Read More about Capturing CO2 from ambient air using a polyethyleneimine–silica adsorbent in fluidized beds.

Performance of polyethyleneimine–silica adsorbent for post-combustion CO2 capture in a bubbling fluidized bed (2014)
Journal Article
Zhang, W., Liu, H., Sun, C., Drage, T. C., & Snape, C. E. (2014). Performance of polyethyleneimine–silica adsorbent for post-combustion CO2 capture in a bubbling fluidized bed. Chemical Engineering Journal, 251, 293-303. https://doi.org/10.1016/j.cej.2014.04.063

The high performance of polyethyleneimine (PEI)-based solid adsorbent for CO2 capture has been well recognized in thermogravimetric analysis (TGA) and small-scale fixed bed reactors through the measurements of their equilibrium capacities but has not... Read More about Performance of polyethyleneimine–silica adsorbent for post-combustion CO2 capture in a bubbling fluidized bed.