Williams, Craig - University of Wolverhampton - Faculty of Science & Engineering

个人简介

Craig has over 25 years’ experience within the zeolite community, he developed an interest in zeolites during the final year of his BSc studies at Salford University while attending a series of lectures given by Prof Alan Dyer. On graduating at Salford, Prof Dyer offered Craig a research MSc looking at the use of zeolites to act as slow release agents for anthelmintic drugs. This work proved to be very successful and led to a PhD in this research area. During both his MSc and PhD Craig joined Prof Alan Dyer on many trips to Scotland where they searched for natural zeolites on several of the Scottish Islands. This research work is still ongoing with recent trips to Skye, Islay, Jura and Arran. After his PhD studies Craig worked as a research fellow at Edinburgh and Liverpool Universities. In 1990 he joined the staff at Wolverhampton and in 1993 established the meso and microporous research group to study the problems involved in zeolite synthesis and isomorphous substitution. This group now has 27 successfully completed PhD studies. He is an internationally leading figure in the synthesis of metal substituted zeolite frameworks. To date five patents and over 80 publications on various aspects of zeolite science in refereed journals have been produced. In 1999 he was elected a Fellow of the Royal Society of Chemistry (RSC) and has served as Secretary and Chair of the Analytical Division of the Midlands Region of the RSC and Secretary of the Industrial Inorganic Chemicals Sector of the RSC. He is also immediate past Secretary of the British Zeolite Association (BZA). His background has a balance of synthesis, diffusion and catalytic applications, which make it highly relevant for industrially applicable research work. Wolverhampton is ideally equipped to undertake the core of this work including synthesis facilities, and has three X-ray powder diffractometers (XRD), an X-ray fluorescence (XRF) spectrometer and two scanning electron microscopes, for characterising the zeolites produced. He has recently taken possession of an Intelligent Gravimetric Analyzer (IGA HIDEN) for accurate measurement of pore sorption and Temperature-Programmed Desorption (TPD) studies. In 1994 his group discovered a method of loading zeolites with metals replacing up to 82.5% of the total aluminium content. This method involved the use of tetrahedral oxo anion metal species MO4n-. Initially work was centred on zeolite L and the substitution of iron and manganese into the zeolite framework. The work proved to be so successful that the methodology for iron and manganese substitution into a variety of zeolites was patented as well as being published. The iron containing zeolite L has been catalytically tested. This study showed that the product distribution for the framework iron species was very different from that achieved using iron ion-exchanged into the zeolite. A range of isomorphously substituted Ru-ZSM-5 samples has also been produced and recently a range of Sc and Cu substituted ZSM-5 samples has been successfully synthesised. More recently he has worked on the conversation of waste materials into synthetic zeolites and the development of antibacterial zeolites for wound treatment. In 2013 he was awarded a Royal Society Leverhulme “Award for Africa” grant in collaboration with KNUST in Ghana, looking at taking mine waste and converting it into zeolites for subsequent use as filters for the mine leachate.

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High selectivity and affinity of synthetic Phillipsite compared with natural Phillipsite towards ammonium (NH4 +) and its potential as a slow release fertilizer. Archives of Agronomy and Soil Science Volume 57, Issue 1, 47-60 2011 Influence of vehicular traffic on a major trunk road on rural air quality in the UK. Microchemical Journal Volume 99 Issue 2 Pages 344-351 Sept 2011 Paul Obara, Chizi Obara, Clive Roberts, Chris H. Young & Craig D. Williams Production of polyhydroxyalkanoates from waste frying oil by Cupriavidus necator Rob Verlinden, David Hill, Melvin Kenward, Craig Williams, Zofia Segat and Iza Radecka AMB Express 1 11 2011 Natural zeolites filling amygdales and veins in basalts from the British Tertiary Igneous Provinceon the Isle of Skye, Scotland. Juan Manuel Triana R., Javier Francisco Herrera R., Carlos Alberto Rios R., Oscar Mauricio Castellanos A., Jose Antonio Henao M., Craig D. Williams and Clive L. Roberts Earth Sci. Res. SJ. Vol. 16, No. 1 (June, 2012): 41 – 53 Kelay, A., Williams, C.D. and Fullen, M.A. (2015). Remediation of oil spills using zeolites, p. 199-209 In: M.A. Fullen, J. Famodimu, T. Karyotis, C. Noulas, A. Panagopoulos, J.L. Rubio and D.R. Gabriels (Eds). Innovative Strategies and Policies for Soil Conservation. Advances in GeoEcology 44. Catena, Reiskirchen, 274 pp. (ISBN: 978-3-923381-62-3, US ISBN: 1-59326-266-3). Inactivation of Cryptosporidium by ozone and cell ultrastructures Journal of Environmental Sciences-China Volume 22 Issue 12 Pages 1954-1959 2010 Ran Ahillin, Li Shaofeng, Huang Junli & Craig Williams Synthesis of zeolite LTA from thermally treated kaolinite Revista Facultad De Ingenieria-Universidad De Antioquia Issue 53 Pages 30-41 June 2010 Carlos A. Rios, Craig D. Williams & Castellanoe A O Mauricio Hydrothermal transformation of kaolinite in the system K2)-SiO2-Al2O3-H2O Dyna-Colombia Volume 77 Issue 163 Pages 55-63 Sept 2010 Carlos A. Rios & Craig D. Williams Synthesis and charaterisation of SOD-, CAN- and JBW type structures by hydrothermal reaction of kaolinite at 200C Dyna-Colombia Volume 78 Issue 166 Pages 38-47 Apr 2011 Carlos A. Rios, Craig D. Williams & Clive Roberts Validating the correlation of traffic associated hydrocarbon and nitrogen dioxide with distance from a trunk road within a rural environment in UK Microchemical Journal Volume 99 Issue 1 Pages 138-144 Sept 2011 Paul Obara, Clive Roberts, Chris H. Young & Craig D. Williams