| Waste treatment and disposal PT Williams John Wiley & Sons, 2005 | 1494* | 2005 |
| Torrefaction of reed canary grass, wheat straw and willow to enhance solid fuel qualities and combustion properties TG Bridgeman, JM Jones, I Shield, PT Williams Fuel 87 (6), 844-856, 2008 | 1145 | 2008 |
| Pyrolysis of waste tyres: A review PT Williams Waste management 33 (8), 1714-1728, 2013 | 905 | 2013 |
| Comparison of products from the pyrolysis and catalytic pyrolysis of rice husks PT Williams, N Nugranad Energy 25 (6), 493-513, 2000 | 824 | 2000 |
| The influence of temperature and heating rate on the slow pyrolysis of biomass PT Williams, S Besler Renewable energy 7 (3), 233-250, 1996 | 801 | 1996 |
| Composition of products from the pyrolysis of polyethylene and polystyrene in a closed batch reactor: Effects of temperature and residence time JA Onwudili, N Insura, PT Williams Journal of Analytical and Applied Pyrolysis 86 (2), 293-303, 2009 | 720 | 2009 |
| Composition of oils derived from the batch pyrolysis of tyres AM Cunliffe, PT Williams Journal of Analytical and applied Pyrolysis 44 (2), 131-152, 1998 | 618 | 1998 |
| Influence of temperature on the products from the flash pyrolysis of biomass PA Horne, PT Williams Fuel 75 (9), 1051-1059, 1996 | 614 | 1996 |
| Thermochemical conversion of sewage sludge: A critical review N Gao, K Kamran, C Quan, PT Williams Progress in Energy and Combustion Science 79, 100843, 2020 | 583 | 2020 |
| The pyrolysis of scrap automotive tyres: The influence of temperature and heating rate on product composition PT Williams, S Besler, DT Taylor Fuel 69 (12), 1474-1482, 1990 | 541 | 1990 |
| Fluidised bed pyrolysis of low density polyethylene to produce petrochemical feedstock PT Williams, EA Williams Journal of Analytical and Applied Pyrolysis 51 (1-2), 107-126, 1999 | 518 | 1999 |
| Catalytic pyrolysis of polyethylene R Bagri, PT Williams Journal of analytical and applied pyrolysis 63 (1), 29-41, 2002 | 494 | 2002 |
| Separation and recovery of materials from scrap printed circuit boards WJ Hall, PT Williams Resources, Conservation and Recycling 51 (3), 691-709, 2007 | 479 | 2007 |
| Interaction of plastics in mixed-plastics pyrolysis PT Williams, EA Williams Energy & Fuels 13 (1), 188-196, 1999 | 442 | 1999 |
| Characteristics of biochars from crop residues: potential for carbon sequestration and soil amendment JH Windeatt, AB Ross, PT Williams, PM Forster, MA Nahil, S Singh Journal of environmental management 146, 189-197, 2014 | 424 | 2014 |
| Analysis of products from the pyrolysis and liquefaction of single plastics and waste plastic mixtures PT Williams, E Slaney Resources, Conservation and Recycling 51 (4), 754-769, 2007 | 407 | 2007 |
| Catalytic pyrolysis of waste plastics using staged catalysis for production of gasoline range hydrocarbon oils DK Ratnasari, MA Nahil, PT Williams Journal of analytical and applied pyrolysis 124, 631-637, 2017 | 360 | 2017 |
| Development of activated carbon pore structure via physical and chemical activation of biomass fibre waste PT Williams, AR Reed Biomass and bioenergy 30 (2), 144-152, 2006 | 353 | 2006 |
| Pyrolysis of waste materials using TGA-MS and TGA-FTIR as complementary characterisation techniques S Singh, C Wu, PT Williams Journal of Analytical and Applied Pyrolysis 94, 99-107, 2012 | 350 | 2012 |
| Pyrolysis-thermogravimetric analysis of tyres and tyre components PT Williams, S Besler Fuel 74 (9), 1277-1283, 1995 | 349 | 1995 |