Contact Professor Sean Tyrrel
- Tel: +44 (0) 1234 758320
- Email: s.tyrrel@cranfield.ac.uk
- ORCID
Areas of expertise
- Environment and Health
- Waste Management and Resource Efficiency
- Water Science and Engineering
Background
Professor Tyrrel holds a BSc (Hons) in Microbiology from the University of Leeds, an MPhil on the interaction of engineering and environmental factors on iron biofouling in boreholes from Cranfield University and a PhD on Land-based wastewater treatment, also from Cranfield University.
Professor Tyrrel is a Chartered Environmentalist (CEnv) and Chartered Water and Environmental Manager (C.WEM).
He is a Fellow of the Chartered Institution of Water and Environmental Management (FCIWEM) and Fellow of the Higher Education Academy (FHEA). He is also a Member of the Society of Applied Microbiologists and Member of the International Water Association.
Research opportunities
We have studentships available for the EPSRC Water-WISER Centre for Doctoral Training (CDT) at Cranfield. The CDT is a collaboration between the universities of Leeds, Loughborough and Cranfield. A Water-WISER PhD offers a unique opportunity to contribute to the generation of new knowledge to improve water, waste, and sanitation infrastructure and services for the poorest and most marginalised members of our global community. If you are interested in a studentship opportunity, please contact me.
Current activities
Professor Tyrrel's research focuses on the application of environmental microbiology to the management of organic solid wastes and wastewater. He has over 30 years of research experience in this field and has secured and managed research contracts funded by NERC, EPSRC, WRAP, Defra, DFID and several water and waste management companies. He has an established track record in research at the interface between waste management practice, environmental microbiology, and human health.
Professor Tyrrel is a key contributor to an on-going programme of work related to the fate of pathogens in faecal waste residuals (such as sewage sludge and animal slurry) applied to agricultural land, funded by NERC, EU-FP7, United Utilities, and the Walsh Fellowship Programme. He has undertaken a series of projects for WRAP related to risk assessment of organics recycling in UK agriculture. Professor Tyrrel leads Cranfield's work on bioaerosol emission and dispersion from composting facilities and the implications of exposure to bioaerosols on human health.
He has been recognised nationally and internationally for this work through his appointment to the BSI Air Quality Committee and as UK principal delegate to the CEN committee on bioaerosol measurement. Professor Tyrrel is a Chartered Environmentalist and a Fellow of the Chartered Institution of Water and Environmental Management.
Clients
- Natural Environment Research Council
- Engineering and Physical Sciences Research Council
- Department for Environment, Food and Rural Affairs
- Environment Agency
- Waste and Resources Action Programme
- United Utilities Group PLC
- Scottish Water
- Severn Trent PLC
- SUEZ Recycling and Recovery UK Ltd
- Renewi plc
- Bill & Melinda Gates Foundation
Publications
Articles In Journals
- Sultana MS, Waine T, Bari N & Tyrrel S. (2025). Assessing the reliability of open-source data used for spatial characterisation of urban sanitation infrastructure—a field study in Rajshahi, Bangladesh. Environmental Science and Pollution Research, 32(13)
- Sultana MS, Waine TW, Bari N & Tyrrel S. (2025). An analysis of factors that influence the spatial pattern of faecal matter flow in unsewered cities. Science of The Total Environment, 978
- Nartey EG, Sakrabani R, Tyrrel S & Cofie O. (2024). Storage duration and temperature affect pathogen load, heavy metals, and nutrient levels in faecal derived fertiliser. Environmental Technology, 45(27)
- Mercer EV, Davey CJ, Bajón Fernández Y, Septien S, Tyrrel S, .... (2024). Membrane technology for water reuse in decentralised non-sewered sanitation systems: comparison of pressure driven (reverse osmosis) and thermally driven processes (membrane distillation and pervaporation). Environmental Science: Water Research & Technology, 10(11)
- Sultana MS, Waine T, Bari N & Tyrrel S. (2023). Towards a new spatial representation of faecal sources and pathways in unsewered urban catchments using open-source data. Journal of Water, Sanitation and Hygiene for Development, 13(4)
- Nartey EG, Sakrabani R, Tyrrel S & Cofie O. (2023). Assessing consistency in the aerobic co-composting of faecal sludge and food waste in a municipality in Ghana. Environmental Systems Research, 12(1)
- Bhui K, Newbury JB, Latham RM, Ucci M, Nasir ZA, .... (2023). Air quality and mental health: evidence, challenges and future directions. BJPsych Open, 9(4)
- Nartey EG, Sakrabani R, Tyrrel S & Cofie O. (2023). Correction: Assessing consistency in the aerobic cocomposting of faecal sludge and food waste in a municipality in Ghana. Environmental Systems Research, 12(1)
- Mnthambala F, Tilley E, Tyrrel S & Sakrabani R. (2022). Effect of various organic fertilisers on phosphorus mineralisation, use efficiency and maize yield. Resources, 11(10)
- Ameh EM, Nocker A, Tyrrell SR, Harris JA, Orlova EV, .... (2022). Effect of temperature on bacteriophage-mediated lysis efficiency with a special emphasis on bacterial temperature history. Journal of Materials and Environmental Science, 13(9)
- Tian J, Yan C, Garcia Alcega S, Hassard F, Tyrrel S, .... (2022). Detection and characterization of bioaerosol emissions from wastewater treatment plants: Challenges and opportunities. Frontiers in Microbiology, 13(November)
- Davey CJ, Kamranvand F, Williams L, Jiang Y, Parker A, .... (2021). Membrane distillation for concentrated blackwater: Influence of configuration (air gap, direct contact, vacuum) on selectivity and water productivity. Separation and Purification Technology, 263(May)
- Hulme A, Davey CJ, Tyrrel S, Pidou M & McAdam E. (2021). Scale-up of reverse electrodialysis for energy generation from high concentration salinity gradients. Journal of Membrane Science, 627(June)
- Farkas K, Green E, Rigby D, Cross P, Tyrrel S, .... (2021). Investigating awareness, fear and control associated with norovirus and other pathogens and pollutants using best–worst scaling. Scientific Reports, 11(1)
- Mnthambala F, Tilley E, Tyrrel SF & Sakrabani R. (2021). Phosphorus flow analysis for Malawi: identifying potential sources of renewable phosphorus recovery. Resources, Conservation and Recycling, 173(October)
- Hulme AM, Davey CJ, Tyrrel S, Pidou M & McAdam EJ. (2021). Transitioning from electrodialysis to reverse electrodialysis stack design for energy generation from high concentration salinity gradients. Energy Conversion and Management, 244(September)
- Budge S, Hutchings P, Parker A, Tyrrel S, Norton S, .... (2021). A randomised controlled feasibility trial of a BabyWASH household playspace: the CAMPI study. PLOS Neglected Tropical Diseases, 15(7)
- Nimra A, Ali Z, Ahmad Nasir Z, Tyrrel S & Sidra S. (2021). Characterization of Indoor Air Quality in Relation to Ventilation Practices in Hospitals of Lahore, Pakistan. Sains Malaysiana, 50(6)
- Somorin T, Parker A, McAdam E, Williams L, Tyrrel SF, .... (2020). Pyrolysis characteristics and kinetics of human faeces, simulant faeces and wood biomass by thermogravimetry–gas chromatography–mass spectrometry methods. Energy Reports, 6
- Kamranvand F, Davey CJ, Williams L, Parker A, Jiang Y, .... (2020). Membrane distillation of concentrated blackwater: effect of temperature, solids concentration and membrane pore size. Water Environment Research, 93(6)
- Hulme AM, Davey CJ, Parker AH, Williams L, Tyrrel SF, .... (2020). Managing power dissipation in closed-loop reverse electrodialysis to maximise energy recovery during thermal-to-electric conversion. Desalination, 496
- Hennigs J, Ravndal KT, Parker A, Collins M, Jiang Y, .... (2020). Faeces - Urine separation via settling and displacement: Prototype tests for a novel non-sewered sanitation system. Science of The Total Environment, 753
- Kamranvand F, Davey CJ, Williams L, Parker A, Jiang Y, .... (2020). Ultrafiltration pretreatment enhances membrane distillation flux, resilience and permeate quality during water recovery from concentrated blackwater (urine/faeces). Separation and Purification Technology, 253
- Budge S, Barnett M, Hutchings P, Parker A, Tyrrel SF, .... (2020). Risk factors and transmission pathways associated with infant Campylobacter spp. prevalence and malnutrition: A formative study in rural Ethiopia. PLOS ONE, 15(5)
- Ferguson RMW, Neath CEE, Nasir ZA, Garcia Alcega S, Tyrrel SF, .... (2020). Size fractionation of bioaerosol emissions from green waste composting. Environment International, 147
- Tian J-H, Yan C, Nasir ZA, Alcega SG, Tyrrel SF, .... (2020). Real time detection and characterisation of bioaerosol emissions from wastewater treatment plants. Science of The Total Environment, 721
- Garcia Alcega S, Nasir ZA, Cipullo S, Ferguson RMW, Yan C, .... (2020). Fingerprinting ambient air to understand bioaerosol profiles in three different environments in the South East of England. Science of The Total Environment, 719
- Fane SE, Nocker A, Vale PCJ, Rivas Casado M, Cartmell E, .... (2020). Characterisation and control of the biosolids storage environment: Implications for E. coli dynamics. Science of The Total Environment, 752
- Ameh EM, Tyrrel S, Harris JA, Pawlett M, Orlova EV, .... (2020). Lysis performance of bacteriophages with different plaque sizes and comparison of lysis kinetics after simultaneous and sequential phage addition. PHAGE, 1(3)
- Yasmeen R, Ali Z, Tyrrel SF & Nasir ZA. (2020). Assessment of respiratory problems in workers associated with intensive poultry facilities in Pakistan. Safety and Health at Work, 11(1)
- Gladding TL, Rolph CA, Gwyther CL, Kinnersley RP, Walsh KA, .... (2020). Concentration and composition of bioaerosol emissions from intensive farms: pig and poultry livestock. Journal of Environmental Management, 272
- Walser-Reichenbach SM, Buters J, Gorny R, Heederik DJJ, Heinze S, .... (2020). Bioaerosol Expert Forum: From “Wrap Up” to “COST action Bioexposome”. Gefahrstoffe, 80(11-12)
- Hennigs J, Parker A, Collins M, Jiang Y, Kolios A, .... (2019). Planning and communicating prototype tests for the Nano Membrane Toilet: A critical review and proposed strategy. Gates Open Research, 3
- Hennigs J, Parker A, Collins M, Jiang Y, Kolios A, .... (2019). Planning and communicating prototype tests for the Nano Membrane Toilet: A critical review and proposed visual tool. Gates Open Research, 3
- Mercer EV, Davey CJ, Azzini D, Eusebi AL, Tierney R, .... (2019). Hybrid membrane distillation reverse electrodialysis configuration for water and energy recovery from human urine: an opportunity for off-grid decentralised sanitation. Journal of Membrane Science, 584
- Somorin TO, Fidalgo B, Hassan S, Sowale A, Kolios A, .... (2019). Non-isothermal drying kinetics of human feces. Drying Technology, 38(14)
- Hennigs J, Ravndal KT, Blose T, Toolaram A, Sindall RC, .... (2019). Field testing of a prototype mechanical dry toilet flush. Science of The Total Environment, 668
- Budge S, Hutchings P, Parker A, Tyrrel S, Tulu T, .... (2019). Do domestic animals contribute to bacterial contamination of infant transmission pathways? Formative evidence from Ethiopia - WITHDRAWN DUPLICATE: see http://dspace.lib.cranfield.ac.uk/handle/1826/14576. Journal of Water and Health, 17(5)
- Fane SE, Vale PCJ, Bajón Fernández Y, Cartmell E, Harris JA, .... (2019). Influence of innate sludge factors and ambient environmental parameters in biosolids storage on indicator bacteria survival: A review. Waste and Biomass Valorization, 11(11)
- Fane SE, Madureira D, Nocker A, Vale PCJ, Rivas Casado M, .... (2019). Disruption of cells in biosolids affects E. coli dynamics in storage. H2Open Journal, 2(1)
- Longhurst PJ, Tompkins D, Pollard SJT, Hough RL, Chambers B, .... (2019). Risk assessments for quality-assured, source-segregated composts and anaerobic digestates for a circular bioeconomy in the UK. Environment International, 127
- Yasmeen R, Nasir ZA & Tyrrel SF. (2019). Estimation of particulate matter and gaseous concentrations using low-cost sensors from broiler houses. Environmental Monitoring and Assessment, 191(7)
- Anastasopoulou A, Kolios A, Somorin T, Sowale A, Jiang Y, .... (2018). Conceptual environmental impact assessment of a novel self-sustained sanitation system incorporating a Quantitative Microbial Risk Assessment approach. Science of The Total Environment, 639
- Kolios A, Jiang Y, Somorin T, Sowale A, Anastasopoulou A, .... (2018). Probabilistic performance assessment of complex energy process systems - The case of a self-sustained sanitation system. Energy Conversion and Management, 163
- Rolph CA, Gwyther CL, Tyrrel SF, Nasir ZA, Drew GH, .... (2018). Sources of airborne endotoxins in ambient air and exposure of nearby communities - a review. Atmosphere, 9(10)
- Nasir ZA, Hayes ET, Williams B, Gladding TL, Rolph CA, .... (2018). Scoping studies to establish the capability and utility of a real-time bioaerosol sensor to characterise emissions from environmental sources. Science of the Total Environment, 648
- Nasir ZA, Rolph CA, Collins S, Stevenson D, Gladding TL, .... (2018). A controlled study on the characterisation of bioaerosols emissions from compost. Atmosphere, 9(10)
- Sowale A, Kolios AJ, Fidalgo B, Somorin T, Parker A, .... (2018). Thermodynamic analysis of a gamma type Stirling engine in an energy recovery system. Energy Conversion and Management, 165
- Fidalgo B, Chilmeran M, Somorin TO, Sowale A, Kolios A, .... (2018). Non-isothermal thermogravimetric kinetic analysis of the thermochemical conversion of human faeces. Renewable Energy, 132
- Kamranvand F, Davey CJ, Sakah H, Autin O, Mercer EV, .... (2018). Impact of fouling, cleaning and faecal contamination on the separation of water from urine using thermally driven membrane separation. Separation Science and Technology, 53(9)
- Mercer EV, Davey CJ, Campo Moreno P, Fowler D, Williams L, .... (2018). Quantification of liquid phase faecal odourants to evaluate membrane technology for wastewater reuse from decentralised sanitation facilities. Environmental Science: Water Research & Technology, 5(1)
- Jurado Pontes N, Somorin T, Kolios AJ, Wagland S, Patchigolla K, .... (2018). Design and commissioning of a multi-mode prototype for thermochemical conversion of human faeces. Energy Conversion and Management, 163
- Garcia Alcega S, Nasir ZA, Ferguson RMW, Noël C, Cravo-Laureau C, .... (2018). Can chemical and molecular biomarkers help discriminate between industrial, rural and urban environments?. Science of The Total Environment, 631-632
- Ameh EM, Tyrrel S, Harris JA, Ignatiou A, Orlova EV, .... (2018). The absence or presence of a lytic coliphage affects the response of Escherichia coli to heat, chlorine, or UV exposure. Folia Microbiologica, 63(5)
- del Mar Batista Seguí M, Tyrrel S, Hess T, Sakrabani R & Knaggs D. (2018). Long‐term phosphorus accumulation and removal efficiency in a land‐based wastewater treatment system in the UK. Water and Environment Journal, 33(4)
- Ashekuzzaman SM, Richards K, Ellis S, Tyrrel S, O'Leary E, .... (2018). Risk assessment of E. coli survival up to the grazing exclusion period after dairy slurry, cattle dung, and biosolids application to grassland. Frontiers in Sustainable Food Systems, 2
- Ellis S, Tyrrel S, O'Leary E, Richards K, Griffiths B, .... (2018). Proportion of sewage sludge to soil influences the survival of Salmonella Dublin, and Escherichia coli. CLEAN – Soil, Air, Water, 46(4)
- Antille DL, Godwin RJ, Sakrabani R, Seneweerad S, Tyrrel SF, .... (2017). Field-scale evaluation of biosolids-derived organomineral fertilizers applied to winter wheat in England. Agronomy Journal, 109(2)
- Somorin T, Kolios AJ, Parker A, McAdam EJ, Williams L, .... (2017). Faecal-wood biomass co-combustion and ash composition analysis. Fuel, 203
- Douglas P, Tyrrel SF, Kinnersley RP, Whelan MJ, Longhurst PJ, .... (2017). Predicting Aspergillus fumigatus exposure from composting facilities using a dispersion model: a conditional calibration and validation. International Journal of Hygiene and Environmental Health, 220(1)
- Douglas P, Hayes ET, Williams B, Tyrrel SF, Kinnersley RP, .... (2017). Use of dispersion modelling for Environmental Impact Assessment of biological air pollution from composting: progress, problems and prospects. Waste Management, 70
- Garnett K, Cooper T, Longhurst PJ, Jude S & Tyrrel S. (2017). A conceptual framework for negotiating public involvement in municipal waste management decision-making in the UK. Waste Management, 66
- Batista Segui MDM, Hess T, Sakrabani R & Tyrrel S. (2017). Long-term phosphorus removal in land treatment systems: Evaluation, experiences, and opportunities. Critical Reviews in Environmental Science and Technology, 47(5)
- Wang CY, Mercer EV, Kamranvand F, Williams L, Kolios A, .... (2016). Tube-side mass transfer for hollow fibre membrane contactors operated in the low Graetz range. Journal of Membrane Science, 523
- Onabanjo T, Patchigolla K, Wagland ST, Fidalgo Fernandez B, Kolios A, .... (2016). Energy recovery from human faeces via gasification: A thermodynamic equilibrium modelling approach. Energy Conversion and Management, 118
- Hanak DP, Kolios A, Onabanjo T, Wagland ST, Patchigolla K, .... (2016). Conceptual energy and water recovery system for self-sustained nano membrane toilet. Energy Conversion and Management, 126
- Mercer EV, Cruddas P, Williams L, Kolios A, Parker A, .... (2016). Selection of screw characteristics and operational boundary conditions to facilitate post-flush urine and faeces separation within single household sanitation systems. Environmental Science: Water Research & Technology, 2(6)
- Onabanjo T, Kolios AJ, Patchigolla K, Wagland ST, Fidalgo B, .... (2016). An experimental investigation of the combustion performance of human faeces. Fuel, 184
- Garcia Alcega S, Nasir ZA, Ferguson RMW, Whitby C, Dumbrell AJ, .... (2016). Fingerprinting outdoor air environment using microbial volatile organic compounds (MVOCs) – A review. TrAC Trends in Analytical Chemistry, 86
- Douglas* P, Hansell A, Kinnerlsey R, Whelan M, Walsh K, .... (2016). Improving exposure assessment of bioaerosol emissions from composting: Dispersion model tests. ISEE Conference Abstracts, 2016(1)
- Douglas P, Tyrrel SF, Kinnersley RP, Whelan MJ, Longhurst PJ, .... (2016). Sensitivity of predicted bioaerosol exposure from open windrow composting facilities to ADMS dispersion model parameters. Journal of Environmental Management, 184(2)
- Charlton A, Sakrabani R, Tyrrel SF, Rivas Casado M, McGrath SP, .... (2016). Long-term impact of sewage sludge application on soil microbial biomass: An evaluation using meta-analysis. Environmental Pollution, 219
- Moynihan EL, Richards KG, Brennan FP, Tyrrel SF & Ritz K. (2015). Enteropathogen survival in soil from different land-uses is predominantly regulated by microbial community composition. Applied Soil Ecology, 89
- Hassard F, Biddle JR, Cartmell E, Jefferson B, Tyrrel SF, .... (2014). Rotating biological contactors for wastewater treatment - A review. Process Safety and Environmental Protection, 94(C)
- Chipula G, Sakrabani R, Hess T & Tyrrel S. (2014). Compost-Sewage Effluent Integration for Ryegrass Production. Journal of Crop Improvement, 28(3)
- Tamer Vestlund A, Al-Ashaab R, Tyrrel SF, Longhurst PJ, Pollard SJT, .... (2014). Morphological classification of bioaerosols from composting using scanning electron microscopy. Waste Management, 34(7)
- Antille DL, Sakrabani R, Tyrrel SF, Le MS & Godwin RJ. (2013). Characterisation of Organomineral Fertilisers Derived from Nutrient-Enriched Biosolids Granules. Applied and Environmental Soil Science, 2013(1)
- Deeks LK, Chaney K, Murray C, Sakrabani R, Gedara S, .... (2013). A new sludge-derived organo-mineral fertilizer gives similar crop yields as conventional fertilizers. Agronomy for Sustainable Development, 33(3)
- Moynihan EL, Richards KG, Ritz K, Tyrrel SF & Brennan FP. (2013). IMPACT OF SOIL TYPE, BIOLOGY AND TEMPERATURE ON THE SURVIVAL OF NON-TOXIGENIC ESCHERICHIA COLI O157. Biology and Environment: Proceedings of the Royal Irish Academy, 113B(1)
- Moynihan EL, Richards KG, Ritz K, Tyrrel SF & Brennan FP. (2013). Impact of Soil Type, Biology and Temperature on the Survival of Non-Toxigenic Escherichia Coli O157. Biology & Environment: Proceedings of the Royal Irish Academy, 113(-1)
- Pankhurst LJ, Whitby C, Pawlett M, Larcombe LD, McKew B, .... (2012). Temporal and spatial changes in the microbial bioaerosol communities in green-waste composting. FEMS Microbiology Ecology, 79(1)
- Harris JA, Baptista JDC, Curtis TP, Nelson AK, Pawlett M, .... (2012). Engineering difference: Matrix design determines community composition in wastewater treatment systems. Ecological Engineering, 40
- Harris JA, Tyrrel SF, Ritz K, Lanigan GJ, Griffiths BS, .... (2011). Does soil biology hold the key to optimized slurry management? A manifesto for research. Soil Use and Management, 27(4)
- Pankhurst LJ, Deacon LJ, Liu J, Drew GH, Hayes ET, .... (2011). Spatial variations in airborne microorganism and endotoxin concentrations at green waste composting facilities. International Journal of Hygiene and Environmental Health, 214(5)
- Liu J, Pankhurst LJ, Deacon LJ, Abate W, Hayes ET, .... (2011). Evaluation of inflammatory effects of airborne endotoxin emitted from composting sources. Environmental Toxicology and Chemistry, 30(3)
- Knox JW, Tyrrel SF, Daccache A & Weatherhead EK. (2011). A geospatial approach to assessing microbiological water quality risks associated with irrigation abstraction. Water and Environment Journal, 25(2)
- Wagland ST, Godley AR & Tyrrel SF. (2011). Investigation of the application of an enzyme-based biodegradability test method to a municipal solid waste biodrying process. Waste Management, 31(7)
- Elala D, Labhasetwar P & Tyrrel SF. (2011). Deterioration in water quality from supply chain to household and appropriate storage in the context of intermittent water supplies. Water Supply, 11(4)
- Ganidi N, Tyrrel S & Cartmell E. (2011). The effect of organic loading rate on foam initiation during mesophilic anaerobic digestion of municipal wastewater sludge. Bioresource Technology, 102(12)
- Tiberghien JE, Robbins PT & Tyrrel SF. (2011). Reflexive assessment of practical and holistic sanitation development tools using the rural and peri-urban case of Mexico. Journal of Environmental Management, 92(3)
- Wagland ST & Tyrrel SF. (2010). Test methods to aid in the evaluation of the diversion of biodegradable municipal waste (BMW) from landfill. Waste Management, 30(5)
- Parker AH, Youlten R, Dillon M, Nussbaumer T, Carter RC, .... (2010). An assessment of microbiological water quality of six water source categories in north-east Uganda. Journal of Water and Health, 8(3)
- Moynihan EL, Ritz K, Tyrrel S & Richards K. (2010). The impact of soil type and soil biology on the survival of Escherichia coli O157. Advances in Animal Biosciences, 1(1)
- Deacon LJ, Pankhurst LJ, Drew GH, Hayes ET, Jackson S, .... (2009). Particle size distribution of airborne Aspergillus fumigatus spores emitted from compost using membrane filtration. Atmospheric Environment, 43(35)
- Wagland ST, Tyrrel SF, Godley AR & Smith R. (2009). Test methods to aid in the evaluation of the diversion of biodegradable municipal waste (BMW) from landfill. Waste Management, 29(3)
- Ganidi N, Tyrrel S & Cartmell E. (2009). Anaerobic digestion foaming causes – A review. Bioresource Technology, 100(23)
- Thomas DJL, Tyrrel SF, Smith R & Farrow S. (2009). Bioassays for the Evaluation of Landfill Leachate Toxicity. Journal of Toxicology and Environmental Health, Part B, 12(1)
- Tyrrel SF, Seymour I & Harris JA. (2008). Bioremediation of leachate from a green waste composting facility using waste-derived filter media. Bioresource Technology, 99(16)
- Tyrrel SF, Knox JW & Weatherhead EK. (2006). Microbiological Water Quality Requirements for Salad Irrigation in the United Kingdom. Journal of Food Protection, 69(8)
- Ramos MC, Quinton JN & Tyrrel SF. (2006). Effects of cattle manure on erosion rates and runoff water pollution by faecal coliforms. Journal of Environmental Management, 78(1)
- Trevett AF, Carter RC & Tyrrel SF. (2005). The importance of domestic water quality management in the context of faecal–oral disease transmission. Journal of Water and Health, 3(3)
- Trevett AF, Carter RC & Tyrrel SF. (2005). Mechanisms leading to post - supply water quality deterioration in rural Honduran communities. International Journal of Hygiene and Environmental Health, 208(3)
- SAVAGE A & TYRREL S. (2005). Compost liquor bioremediation using waste materials as biofiltration media. Bioresource Technology, 96(5)
- Tyrrel S. (2005). Managing compost liquor from windrows. BioCycle, 46(12)
- Trevett AF, Carter RC & Tyrrel SF. (2004). Water quality deterioration: A study of household drinking water quality in rural Honduras. International Journal of Environmental Health Research, 14(4)
- Quinton JN, Tyrrel SF & Ramos MC. (2003). The effect of incorporating slurries on the transport of faecal coliforms in overland flow. Soil Use and Management, 19(2)
- Tyrrel SF & Quinton JN. (2003). Overland flow transport of pathogens from agricultural land receiving faecal wastes. Journal of Applied Microbiology, 94(32)
- Quinton JN, Tyrrel SF & Ramos MC. (2003). The effect of incorporating slurries on the transport of faecal coliforms in overland flow. Soil Use and Management, 19(2)
- Tyrrel SF, Leeds-Harrison PB & Harrison KS. (2002). Removal of ammoniacal nitrogen from landfill leachate by irrigation onto vegetated treatment planes. Water Research, 36(1)
- Nixon DJ, Stephens W, Tyrrel SF & Brierley EDR. (2001). The potential for short rotation energy forestry on restored landfill caps. Bioresource Technology, 77(3)
- Sean Tyrrel ST, Richard Carter RC & Peter Howsam PH. (2001). Iron in handpump water supplies: prevention or cure?. Waterlines, 20(2)
- Richard Carter RC & Sean Tyrrel ST. (2001). Groundwater – potential but not panacea. Waterlines, 20(2)
- Stephens W, Tyrrel SF & Tiberghien J-E. (2000). Irrigating short rotation coppice with landfill leachate: constraints to productivity due to chloride. Bioresource Technology, 75(3)
- Richard Carter RC, Sean Tyrrel ST & Peter Howsam PH. (1999). Assumptions and realities in water and sanitation programmes. Waterlines, 18(2)
- Tyrrel SF & Howsam P. (1997). Aspects of the occurrence and behaviour of iron bacteria in boreholes and aquifers. Quarterly Journal of Engineering Geology, 30(2)
- Carter RC, Tyrrel SF & Howsam P. (1996). Strategies for Handpump Water Supply Programmes in Less‐Developed Countries. Water and Environment Journal, 10(2)
- Tyrrel SF & Howsam P. (1994). Field observations of iron biofouling in water supply boreholes. Biofouling, 8(1)
- CARTER R, TYRREL SF & HOWSAM P. (1993). Lessons Learned from the UN Water Decade. Water and Environment Journal, 7(6)
- Howsam P & Tyrrel S. (1989). Diagnosis and monitoring of biofouling in enclosed flow systems — experience in groundwater systems. Biofouling, 1(4)
- Sean Tyrrel ST, Sue Gardner SG, Peter Howsam PH & Richard Carter RC. Biological removal of iron from well-handpump water supplies. Waterlines, 16(4)
