Professor Colin Snape's Outputs (11)

Process simulations of post-combustion CO 2 capture for coal and natural gas-fired power plants using a polyethyleneimine/silica adsorbent (2016)
Journal Article
Zhang, W., Sun, C., Irons, R., Snape, C. E., Stebbing, S., Alderson, T., Fitzgerald, D., & Liu, H. (2017). Process simulations of post-combustion CO 2 capture for coal and natural gas-fired power plants using a polyethyleneimine/silica adsorbent. International Journal of Greenhouse Gas Control, 58, 276-289. https://doi.org/10.1016/j.ijggc.2016.12.003

The regeneration heat for a polyethyleneimine (PEI)/silica adsorbent based carbon capture system is first assessed in order to evaluate its effect on the efficiency penalty of a coal or natural gas power plant. Process simulations are then carried ou... Read More about Process simulations of post-combustion CO 2 capture for coal and natural gas-fired power plants using a polyethyleneimine/silica adsorbent.

Evaluation of hydrochars from lignin hydrous pyrolysis to produce biocokes after carbonization (2016)
Journal Article
Castro-Díaz, M., Uguna, C. N., Florentino, L., Díaz-Faes, E., Stevens, L., Barriocanal, C., & Snape, C. (2017). Evaluation of hydrochars from lignin hydrous pyrolysis to produce biocokes after carbonization. Journal of Analytical and Applied Pyrolysis, 124, 742-751. https://doi.org/10.1016/j.jaap.2016.11.010

Hydrochars were obtained after hydrous pyrolysis of a pine Kraft lignin using different reaction conditions (temperature, water content and residence time) and the residues were characterized through a wide range of analytical techniques including hi... Read More about Evaluation of hydrochars from lignin hydrous pyrolysis to produce biocokes after carbonization.

Molecular characterization of the thermally labile fraction of biochar by hydropyrolysis and pyrolysis-GC/MS (2016)
Journal Article
Rombolà, A. G., Fabbri, D., Meredith, W., Snape, C. E., & Dieguez-Alonso, A. (2016). Molecular characterization of the thermally labile fraction of biochar by hydropyrolysis and pyrolysis-GC/MS. Journal of Analytical and Applied Pyrolysis, 121, 230-239. https://doi.org/10.1016/j.jaap.2016.08.003

Agroenvironmental benefits and limitations of biochar in soil applications require a full understanding of the stability and fate of the various carbon fractions. Analytical hydropyrolysis (HyPy) enables the determination of the stable black carbon (... Read More about Molecular characterization of the thermally labile fraction of biochar by hydropyrolysis and pyrolysis-GC/MS.

Aerosol composition and sources during high and low pollution periods in Ningbo, China (2016)
Journal Article
Xu, J.-S., Xu, H.-H., Xiao, H., Tong, L., Snape, C. E., Wang, C.-J., & He, J. (2016). Aerosol composition and sources during high and low pollution periods in Ningbo, China. Atmospheric Research, 178-179, 559-569. https://doi.org/10.1016/j.atmosres.2016.05.006

Due to the rapid industrialization of the Yangtze River Delta (YRD) region in China, heavy air pollution episodes have occurred frequently over the past five years which are of great concern due to their environmental and health impacts. To investiga... Read More about Aerosol composition and sources during high and low pollution periods in Ningbo, China.

Retardation of oil cracking to gas and pressure induced combination reactions to account for viscous oil in deep petroleum basins: Evidence from oil and n-hexadecane pyrolysis at water pressures up to 900bar (2016)
Journal Article
Uguna, C. N., Carr, A. D., Snape, C. E., & Meredith, W. (2016). Retardation of oil cracking to gas and pressure induced combination reactions to account for viscous oil in deep petroleum basins: Evidence from oil and n-hexadecane pyrolysis at water pressures up to 900bar. Organic Geochemistry, 97, 61-73. https://doi.org/10.1016/j.orggeochem.2016.04.007

This study reports a laboratory pyrolysis experimental study on oil and n-hexadecane to rationalise the thermal stability of oil in deep petroleum reservoirs. Using a 25 ml Hastelloy pressure vessel, a 35° API North Sea oil (Oseberg) and n-hexadecane... Read More about Retardation of oil cracking to gas and pressure induced combination reactions to account for viscous oil in deep petroleum basins: Evidence from oil and n-hexadecane pyrolysis at water pressures up to 900bar.

Changes in the mechanical properties of biomass wood pellets during artificial degradation in a laboratory environment (2016)
Journal Article
Graham, S. L., Ogunfayo, I., Hall, M. R., Snape, C., Quick, W., Weatherstone, S., & Eastwick, C. (2016). Changes in the mechanical properties of biomass wood pellets during artificial degradation in a laboratory environment. Fuel Processing Technology, https://doi.org/10.1016/j.fuproc.2016.03.020

In stockpiles exposed to high relative humidity (RH) and rainfall, woody biomass pellets lose structural integrity, often assumed to be due to the uptake of moisture from the environment. In this study three different types of biomass pellet were art... Read More about Changes in the mechanical properties of biomass wood pellets during artificial degradation in a laboratory environment.

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.