Professor Colin Snape's Outputs (86)

Evaluating the effect of biochar addition on the anaerobic digestion of swine manure: application of Py-GC/MS (2018)
Journal Article
Gómez, X., Meredith, W., Fernández, C., Sánchez-García, M., Díez-Antolínez, R., Garzón-Santos, J., & Snape, C. E. (in press). Evaluating the effect of biochar addition on the anaerobic digestion of swine manure: application of Py-GC/MS. Environmental Science and Pollution Research, https://doi.org/10.1007/s11356-018-2644-4

The anaerobic digestion process of swine manure was studied when char was used as supplement for improving performance. The use of pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) was proposed for assessing the organic matter degradation. Th... Read More about Evaluating the effect of biochar addition on the anaerobic digestion of swine manure: application of Py-GC/MS.

Dynamics of charcoal alteration in a tropical biome: a biochar-based study (2018)
Journal Article
Ascough, P., Bird, M., Meredith, W., Snape, C. E., Large, D., Tilston, E., Apperley, D., Bernabé, A., & Shen, L. (2018). Dynamics of charcoal alteration in a tropical biome: a biochar-based study. Frontiers in Earth Science, 6, Article 61. https://doi.org/10.3389/feart.2018.00061

Pyrogenic carbon (PyC) is a polyaromatic residue of the incomplete combustion of biomass or fossil fuels. There is a growing recognition that PyC forms an important part of carbon budgets, due to production rates of 116–385 Tg C yr, and the size and... Read More about Dynamics of charcoal alteration in a tropical biome: a biochar-based study.

The impact of hydrothermal carbonisation on the char reactivity of biomass (2018)
Journal Article
Stirling, R. J., Snape, C. E., & Meredith, W. (2018). The impact of hydrothermal carbonisation on the char reactivity of biomass. Fuel Processing Technology, 177, https://doi.org/10.1016/j.fuproc.2018.04.023

Hydrothermal carbonisation (HTC) is an attractive biomass pre-treatment as it produces a coal-like fuel, can easily process wet biomass and wastes, and lowers the risk of slagging and fouling in pulverised fuel (PF) combustion boilers. One of the maj... Read More about The impact of hydrothermal carbonisation on the char reactivity of biomass.

Understanding the unusual fluidity characteristics of high ash Indian bituminous coals (2018)
Journal Article
Das, B., Suresh, A., Dash, P., Chandran, S., Castro-Díaz, M., Stevens, L. A., & Snape, C. E. (2018). Understanding the unusual fluidity characteristics of high ash Indian bituminous coals. Fuel Processing Technology, 176, https://doi.org/10.1016/j.fuproc.2018.04.003

High-temperature rheometry and 1H nuclear magnetic resonance (NMR) are two complementary techniques that have been used to investigate fluidity development quantitatively in the < 53 µm and 53-212 µm size fractions of high ash Indian non-coking coals... Read More about Understanding the unusual fluidity characteristics of high ash Indian bituminous coals.

Methane transport through an agricultural soil following pulse injection of isotopically-enriched methane in the sub-surface (2018)
Data
SHAW, G., Atkinson, B., Meredith, W., Snape, C., Lever, D., & Hoch, A. (2018). Methane transport through an agricultural soil following pulse injection of isotopically-enriched methane in the sub-surface. [Data]. https://doi.org/10.5285/18939865-d863-498b-b4cb-5661eaeadcfc

Data comprise methane and carbon dioxide concentrations in soil following injection of discrete pulses of methane into subsoil (50 cm depth) below a spring wheat crop during the growing season.
Supporting data on soil moisture, soil temperature and... Read More about Methane transport through an agricultural soil following pulse injection of isotopically-enriched methane in the sub-surface.

Oxy-fuel combustion study of biomass fuels in a 20 kWth fluidized bed combustor (2017)
Journal Article
Sher, F., Pans, M. A., Sun, C., Snape, C. E., & Liu, H. (2018). Oxy-fuel combustion study of biomass fuels in a 20 kWth fluidized bed combustor. Fuel, 215, https://doi.org/10.1016/j.fuel.2017.11.039

Oxy-fuel combustion is one of the promising carbon capture technologies considered to be suitable for future commercial applications with stationary combustion plants. Although more and more biomass and waste are now being burned in stationary combus... Read More about Oxy-fuel combustion study of biomass fuels in a 20 kWth fluidized bed combustor.

High density and super ultra-microporous-activated carbon macrospheres with high volumetric capacity for CO2 capture (2017)
Journal Article
Liu, J., Liu, X., Sun, Y., Sun, C., Liu, H., Stevens, L. A., Li, K., & Snape, C. E. (in press). High density and super ultra-microporous-activated carbon macrospheres with high volumetric capacity for CO2 capture. Advanced Sustainable Systems, 2(2), https://doi.org/10.1002/adsu.201700115

Activated carbon (AC) spheres with a diameter of 1.0–2.0 mm are synthesized from coal tar pitch for postcombustion carbon capture. The as-prepared AC macrospheres after KOH activation are found to possess extraordinarily developed microporosity of wh... Read More about High density and super ultra-microporous-activated carbon macrospheres with high volumetric capacity for CO2 capture.

Correlating ultrasonic impulse and addition of ZnO promoter with CO2 conversion and methanol selectivity of CuO/ZrO2 catalysts (2017)
Journal Article
Ezeh, C. I., Yang, X., He, J., Snape, C., & Cheng, X. M. (2018). Correlating ultrasonic impulse and addition of ZnO promoter with CO2 conversion and methanol selectivity of CuO/ZrO2 catalysts. Ultrasonics Sonochemistry, 42, 48-56. https://doi.org/10.1016/j.ultsonch.2017.11.013

The thermal characteristics of Cu-based catalysts for CO2 utilization towards the synthesis of methanol were analysed and discussed in this study. The preparation process were varied by adopting ultrasonic irradiation at various impulses for the co-p... Read More about Correlating ultrasonic impulse and addition of ZnO promoter with CO2 conversion and methanol selectivity of CuO/ZrO2 catalysts.

Fly ash-derived MCM-41 as a low-cost silica support for polyethyleneimine in post-combustion CO2 capture (2017)
Journal Article
Panek, R., Wdowin, M., Franus, W., Czarna, D., Stevens, L., Deng, H., Liu, J., Sun, C., Liu, H., & Snape, C. E. (2017). Fly ash-derived MCM-41 as a low-cost silica support for polyethyleneimine in post-combustion CO2 capture. Journal of Co2 Utilization, 22, https://doi.org/10.1016/j.jcou.2017.09.015

The mesoporous silicate molecular sieve, MCM-41, has been synthesized from pulverized coal fly ash (PFA), where the silicate filtrate used is a by-product from hydrothermal zeolite production. Rice husk ash was also used for comparison but fusion wit... Read More about Fly ash-derived MCM-41 as a low-cost silica support for polyethyleneimine in post-combustion CO2 capture.

Cryogenian evolution of stigmasteroid biosynthesis (2017)
Journal Article
Hoshino, Y., Poshibaeva, A., Meredith, W., Snape, C., Poshibaev, V., Versteegh, G. J., Kuznetsov, N., Leider, A., van Maldegem, L., Neumann, M., Naeher, S., Moczydłowska, M., Brocks, J. J., Jarrett, A. J., Tang, Q., Xiao, S., McKirdy, D., Das, S. K., Alvaro, J. J., Sansjofre, P., & Hallmann, C. (2017). Cryogenian evolution of stigmasteroid biosynthesis. Science Advances, 3(9), Article e1700887. https://doi.org/10.1126/sciadv.1700887

Sedimentary hydrocarbon remnants of eukaryotic C26–C30 sterols can be used to reconstruct early algal evolution. Enhanced C29 sterol abundances provide algal cell membranes a density advantage in large temperature fluctuations. Here, we combined a li... Read More about Cryogenian evolution of stigmasteroid biosynthesis.

Potassium and Zeolitic Structure Modified Ultra-microporous Adsorbent Materials from a Renewable Feedstock with Favorable Surface Chemistry for CO2 Capture (2017)
Journal Article
Liu, X., Sun, Y., Liu, J., Sun, C., Liu, H., Xue, Q., Smith, E., & Snape, C. (2017). Potassium and Zeolitic Structure Modified Ultra-microporous Adsorbent Materials from a Renewable Feedstock with Favorable Surface Chemistry for CO2 Capture. ACS Applied Materials and Interfaces, 9(32), 26826-26839. https://doi.org/10.1021/acsami.7b06665

© 2017 American Chemical Society. Novel hierarchically structured microporous biocarbons with exceptionally high capacities for CO2 capture have been synthesized from the abundant agricultural waste of rice husk (RH), using a facile methodology that... Read More about Potassium and Zeolitic Structure Modified Ultra-microporous Adsorbent Materials from a Renewable Feedstock with Favorable Surface Chemistry for CO2 Capture.

Advances on transition metal oxides catalysts for formaldehyde oxidation: a review (2017)
Journal Article
Yusuf, A., Snape, C., He, J., Xu, H., Liu, C., Zhao, M., Chen, G. Z., Tang, B., Wang, C., Wang, J., & Behera, S. N. (in press). Advances on transition metal oxides catalysts for formaldehyde oxidation: a review. Catalysis Reviews: Science and Engineering, https://doi.org/10.1080/01614940.2017.1342476

This review highlights recent advances in the development of transition metal based catalysts for formaldehyde oxidation, particularly the enhancement of their catalytic activity for low temperature oxidation. Various factors that enhance low tempera... Read More about Advances on transition metal oxides catalysts for formaldehyde oxidation: a review.

Improving spatial predictability of petroleum resources within the Central Tertiary Basin, Spitsbergen: a geochemical and petrographic study of coals from the eastern and western coalfields (2017)
Journal Article
Uguna, J. O., Carr, A. D., Marshall, C., Large, D., Meredith, W., Jochmann, M., Snape, C. E., Vane, C. H., Jensen, M. A., & Olaussen, S. (2017). Improving spatial predictability of petroleum resources within the Central Tertiary Basin, Spitsbergen: a geochemical and petrographic study of coals from the eastern and western coalfields. International Journal of Coal Geology, 179, 278-294. https://doi.org/10.1016/j.coal.2017.06.007

Central Tertiary Basin (CTB) coals from a variety of palaeogeographic conditions within the Longyear and Verkhnij seams, were sampled to assess the relationship between the petroleum present, the remaining generation potential and coal geochemistry i... Read More about Improving spatial predictability of petroleum resources within the Central Tertiary Basin, Spitsbergen: a geochemical and petrographic study of coals from the eastern and western coalfields.

Mechanical degradation of biomass wood pellets during long term stockpile storage (2017)
Journal Article
Graham, S., Eastwick, C., Snape, C., & Quick, W. (2017). Mechanical degradation of biomass wood pellets during long term stockpile storage. Fuel Processing Technology, 160, https://doi.org/10.1016/j.fuproc.2017.02.017

This paper quantifies and assesses the mechanical degradation of white wood and steam exploded wood pellets in indoor and outdoor stockpile storage over a twenty-one month period in the UK. The indoor stored steam exploded wood pellets on the surface... Read More about Mechanical degradation of biomass wood pellets during long term stockpile storage.

Increased charcoal yield and production of lighter oils from the slow pyrolysis of biomass (2017)
Journal Article
Russell, S., Turrion-Gomez, J. L., Meredith, W., Langston, P. A., & Snape, C. E. (2017). Increased charcoal yield and production of lighter oils from the slow pyrolysis of biomass. Journal of Analytical and Applied Pyrolysis, 124, 536-541. https://doi.org/10.1016/j.jaap.2017.01.028

In an effort to reduce CO2 emissions from solid fuels, a considerable amount of research is going into how improve the manufacturing processes and product properties of the products from pyrolysis. One aspect that is often overlooked is the productio... Read More about Increased charcoal yield and production of lighter oils from the slow pyrolysis of biomass.

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.