All the Presentations from 24h-MOM, the World-Wide event Held in November 2025

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   All presentations from the first edition of the 24h Marathon on Odour/Odor Management (24h-MOM), held worldwide over 24 uninterrupted hours on November 12, 2025, have been released progressively on a daily basis during the first months of 2026. All videos are now available on Youtube and can be found here, compiled in a single article.

   The event was organized by the global organizations CASANZ, A&WMA, AMIGO, JAOE, WEF, IEEE, ISOCS, DOS, IWA, KLOPC, AIDIC, and VDI, with coordination by Olores.org. Sponsored by Bioair Solutions, Olfasense, Jacobs, Black & Veatch, St. Croix Sensory, Hydrens, Porter Odor Science, The Odour Unit, Lab Service Analytica, Xylem, PureAir Filtration, and the media partner Akhonmedia. This marathon has strengthened international collaboration on air quality, highlighting the need for global harmonization of criteria and the emergence of innovative technologies.

    The 24h-MOM was conceived to bring together experts from around the world in an innovative virtual format that rotated sequentially through Oceania, Asia, Europe, South America, and North America. This article compiles all presentations delivered and published on the event’s YouTube channel over these months. The following list includes links to all presentations (and their corresponding abstracts) that have been published throughout this year.

  • 1st TIME ZONE: Oceania

1. ADVANCED SEPTICITY MODELLING TO DETERMINE TRADE WASTE CONTRIBUTIONS TO DOWNSTREAM ODOURS AND CORROSION. A. McDonald*, J. Cesca, G. Hamer (JACOBS, Australia), H. Georgeff (South Australian Water, Adelaide, SA, Australia). CASANZ.

2. ENHANCING THE BIOLOGICAL REMOVAL OF HYDROPHOBIC ODOROUS AIR POLLUTANTS USING CAPILLARY BIOREACTORS. B. Kraakman*, R. Lebrero, R. Muñoz. University of Valladolid (Spain). CASANZ. 

3. SWANBANK – KEY LEARNINGS FROM LAND USE PLANNING AND ODOUR COMPLAINTS. G. Galvin*, W. Shillito. Astute Environmental Consulting (Australia). CASANZ. 

4. THE INDUSTRY-COMMUNITY NEXUS; HOW INDUSTRY STAKEHOLDERS ENGAGE WITH COMMUNITIES, ODOURS, AND EACH OTHER. J. E. Hayes*, R. M. Fisher, R. M. Stuetz (UNSW Water Research Centre, School of Civil and Environmental Engineering, UNSW), M. Assal (The Odour Unit), M. Kearnes (UNSW School of Humanities and Languages, UNSW). CASANZ.

5. ODOUR (ODOR) IN LAND-USE URBAN AND CITY PLANNING. A. Todoroski*. Todoroski Air Sciences (Australia). CASANZ.

6. DEVELOPMENT AND APPLICATION OF A COMPREHENSIVE METHODOLOGY FOR ODOUR DISPERSION MODEL EVALUATION AND CALIBRATION FOR USE IN SEPARATION DISTANCE DETERMINATION. A. Balch* (Air Environment, Australia), P. Vijayalayan (TasWater, Australia). CASANZ.

7. ODOUR CHALLENGES IN ANAEROBIC CO-DIGESTION: SENSORIAL IMPACT OF FOOD SUBSTRATES. T. Nunes*, N. Le-Minh, R. Fisher, A. Prata, R. Stuetz. UNSW Sydney, Australia. IWA.

8. DO WE REALLY UNDERSTAND THE INFLUENCE OF SAMPLING METHOD PARAMETERS FOR MEASURING ODOROUS EMISSION?. L. Liu* (Stantec, Australia), A. Prata (São Paulo State University, Brazil), R. Fisher, R. Stuetz (Water Research Centre, University of New South Wales, Australia). IWA.

  • 2nd TIME ZONE: Asia

9. DATA PROCESSING STRATEGIES FOR GAS SENSOR ARRAYS AND ELECTRONIC NOSES IN ODOUR MONITORING: FROM SIGNAL PRE-PROCESSING TO MACHINE LEARNING. P. Arroyo*. Industrial Engineering School. University of Extremadura (Spain). DOS.

10. MINIATURE ARTIFICIAL OLFACTORY SYSTEMS FOR REAL-TIME ODOR MONITORING AND ENVIRONMENTAL SENSING. J. Lozano*. Industrial Engineering School. University of Extremadura (Spain). DOS.

11. CHALLENGES AND PRACTICAL CONSIDERATIONS IN DEVELOPING OLFACTORY SENSORS. J. Kita*. Odor Science Laboratory Co., Ltd. (Japan). JAOE. 

12. DEVELOPMENT OF SENSORY ODOUR MEASUREMENT METHOD IN JAPAN: HISTORY AND PERSPECTIVE OF TRIANGULAR ODOUR BAG METHOD. T. Higuchi*. Yamaguchi University (Japan). JAOE. 

13. POCKET ELECTRONIC NOSE INTEGRATING AN ULTRA-COMPACT SENSOR ARRAY CHIP AND SPATIO-TEMPORAL NETWORK ENABLES HIGHLY SELECTIVE GAS SENSING. B. Ai*, X. Wang, X. Kang, X. Chen (School of Microelectronics and Communication Engineering, Chongqing Key Laboratory of Bio-perception & Intelligent Information Processing, Chongqing University, China), Y. Xu, P. Ye, J. Cui (United Microelectronics Center Co., Ltd., China). ISOCS.

14. FRACTAL AND BIONICS BASED STRUCTURE OF GAS SENSORS. F. Tian* (School of Microelectronics and Communication Engineering, Chongqing University, China), R. Liu (College of Computer Science, Chongqing University, China). ISOCS.

15. ODOUR CHALLENGES IN ANAEROBIC CO-DIGESTION: SENORIAL IMPACT OF FOOD SUBSTRATES. Y. Zhang*, W. Li. State Environmental Protection Key Laboratory of Odor Pollution Control, Tianjin Academy of Environmental (China). KLPOC.

16. REMOVAL OF TRACE SULFUR ODORANTS UNDER ADVERSE CONDITIONS IN BIOTRICKLING FILTER: PERFORMANCE ENHANCEMENT, MICROBIAL ADAPTATION, AND FUNCTIONAL IMPROVEMENT. D. Liu*, J. Du. Institute of Agri-biological Environment Engineering, College of Biosystems Engineering and Food Science and Key Laboratory of Equipment and Informatization in Environment Controlled Agriculture from Ministry of Agriculture and Rural Affairs of China, Key Laboratory of Intelligent Equipment and Robotics for Agriculture of Zhejiang Province (China). KLPOC.

17. CAUSES, CHALLENGES AND CONTROL STRATEGIES OF URBAN ODOR POLLUTION IN CHINA. W. Can*, Z. Beining. School of Environmental Science and Engineering, Tianjin University (China). KPLOC. 

18. ODOUR MANAGEMENT IN MALAYSIA. CURRENT STATUS AND FUTURE ACTIONS. Ts. Tan Poh Aun*. SOx NOx Asia Sdn Bhd, Selangor (Malaysia). IWA.

  • 3rd TIME ZONE: Europe

19. NASAPP: A MULTILAYER AI PLATFORM FOR CORRELATING SENSOR-BASED CHEMICAL DATA WITH CITIZEN-REPORTED ODOUR EPISODES. I. de Lucas*, J. L. Gomariz. NasApp S.L. (Spain). AMIGO. 

20. THE UNIVERSITY'S CHALLENGE IN INVOLVING COMPANIES, LOCAL AUTHORITIES AND CITIZENS IN RESPONDING TO ENVIRONMENTAL PROBLEMS. S. Teixeira*, P. Pereira, F. Ferreira. NOVA School of Science and Technology, NOVA University Lisbon (Portugal). AMIGO. 

21. RECENT ADVANCES ON PREVENTION AND ABATEMENT OF ODOURS. R. Muñoz*, M. Toledo, S. Saez, R. Lebrero. Institute of Sustainable Processes, University of Valladolid (Spain). AMIGO. 

22. ANALYSIS OF COMPLEX COMPLAINT SITUATION IN BRÜHL/HÜRTH GERMANY, USING ODOUR COMPLAINT MANAGEMENT AND REVERSE TRAJECTORY. C. Mannebeck* (Olfasense GmbH, Germany), R. Both, K. Kwiatkowski (LANUV NRW - State Office for Nature, Environment and Consumer Protection North Rhine-Westphalia, Germany). VDI. 

23. COMPLEX DISPERSION CALCULATION COMBINED WITH MEASUREMENTS - 2 CASE STUDIES. M. Rau*, F. Hüftle (Ingenieurbüro Rau, Germany), B. Mannebeck, H. Hauschildt (Olfasense GmbH, Germany). VDI. 

24. WHAT IS THE INVESTMENT REQUIRED FOR PROPER ODOR MANAGEMENT OF WASTEWATER TREATMENT IN SPAIN? RESULTS OF THE COST CALCULATION. J. Climent, JM. Cabedo (Facsa, Spain), L. Sauco-Bozic, C. Lafita, P. Pradas (SAV, Spain), A. Amo (SUEZ, Spain), C. Lardín (Esamur, Spain), C. Miranda, F. del Amo, M. Navarro, M.P Martín, M Casao (Aqualia), F. Andrés, V. Navarro (Global Omnium, Spain),  I. León (CEDEX, Spain), J.M. Ponsoda (Acciona, Spain), J.A. Pradana (Canal Isabel II, Spain), M. Pignatelli (Sorigué, Spain), M. Oller (GS Inima, Spain), M. Calzada (Sacyr), S. Ontiveros (Consorci Besòs-Tordera, Spain), I. Astigarraga (Consorcio de Aguas Bilbao Bizkaia, Spain), J.A. Vico (Acosol, Spain), and C. Díaz (Ambiente et Odora S.L., Spain). IWA.

25. COLD OXIDATION AS AN AIR TREATMENT TECHNIQUE IN THE POTATO PROCESSING INDUSTRY: ODOUR CONTROL OF ALDEHYDES. P. Van Overmeiner*, T. Van Elst (OLFASCAN, Belgium), L. Luyens (Ghent University, Department of Green Chemistry and Technology, Belgium). IWA. 

26. QUANTIFYING THE INVISIBLE: THE ROLE OF QUANTITATIVE OPTICAL GAS IMAGING (QOGI) IN FUGITIVE EMISSION CHARACTERIZATION. L. Carrera*, M. Invernizzi, S. Sironi. Politecnico di Milano, Department of Chemistry, Materials and Chemical Engineering “Giulio Natta” (Italy) . AIDIC.

27. ENHANCING SENSORY EVALUATION IN FOOD AND BEVERAGE ANALYSIS WITH ELECTRONIC NOSE INSTRUMENT. M. Bonnefille*, L. Towa, I. Haynes (Alpha MOS, USA), N. Muhlberg (Advanced Food Products, USA). DOS.

28. CHEMICAL SENSORS FOR ODOUR MONITORING – TECHNOLOGIES AND MATERIALS. C. Sanchez*, I. Sayago, J.P. Santos. Instituto de Tecnologías Físicas y de la Información. CSIC (Spain) . DOS. 

29. ONLINE MONITORING OF ODOUR UNIT (OU) EMISSIONS AND ODOUR SOURCES IDENTIFICATION BY USING A NEW GENERATION OF IOMS ANALYSERS AROUND AN ANIMAL FEED PRODUCTION PLANT. J.C. Mifsud. Ellona (France). ISOCS.

30. RECENT ADVANCES IN THE OPTIMIZATION OF E-NOSES FOR ENVIRONMENTAL ODOUR MONITORING: COMPENSATION OF DRIFT AND HUMIDITY EFFECTS. C. Bax*, C. Ratt, L. Capelli. Politecnico di Milano, Department of Chemistry, Materials and Chemical Engineering “Giulio Natta” (Italy). ISOCS.

31. FROM SENSOR INNOVATION TO INDUSTRIAL DEPLOYMENT: A CASE STUDY IN QUALITY CONTROL USING A PEPTIDE-BASED MZI SENSOR. R. Dubreuil, J. Decorps, C. Herrier, T. Rousselle. ISOCS. 

32. DEFINING PERFORMANCE IN MACHINE OLFACTION: THE IEEE P2520.1 STANDARD FOR SENSOR-BASED ODOUR DETECTION. J.A. Covington*. School of Engineering| University of Warwick (UK). IEEE. 

33. EVALUATING GC-IMS DEVICES ACCORDING TO IEEE P2520.1 DRAFT STANDARD: METHODOLOGY, PERFORMANCE, AND INSIGHTS. E. Massera*, M.L. Miglietta, E. Caccavo (Portici, Italy), E. Fermi (NEOTES Srl, Italy). IEEE. 

  • 4th TIME ZONE: South America

34. FROM DEMAND TO POLICY: HOW SOCIAL PRESSURE SHAPED CHILE’S ENVIRONMENTAL ODOR REGULATION. D. Caimanque*. Department of Noise, Light, and Odors Air Quality Division, Chilean Ministry of the Environment (Chile). AMIGO.

35. ODOUR MANAGEMENT TECHNOLOGY: INTEGRATING FIELD ODOUR INSPECTIONS WITH REAL-TIME INDUSTRIAL DATA TO ENHANCE THE SPEED AND EFFECTIVENESS OF EMISSION CONTROL STRATEGIES: A REAL-WORLD PULP MILL CASE STUDY. C. Reich*, J. Salas, H. Vergara, O. Araneda, M. Simonovic. TSG Enviro (Chile). AMIGO. 

36. IMPORTANCE OF TERRAIN ROUGHNESS FOR ASSESSING ODOUR EMISSIONS FROM LIQUID SURFACES. A. Prata*. São Paulo State University (UNESP), Institute of Geosciences and Exact Sciences (Brazil). AMIGO.

37. PROPOSITION OF ODOR IMPACT CRITERIA AND STRATEGY FOR BRAZIL. D.L. Perazzoli*, P. de Tarso, A.F. Grauer, M. Kawan (Universidade Federal do Paraná (UFPR), Brazil), M. Brancher (University of Veterinary Medicine Vienna (VETMEDUNI), Austria). AMIGO.

38. E&T&C CERTIFICATION: A NEW WAY TO ASSESS ENGAGEMENT, TRANSPARENCY, AND COMMUNICATION IN THE INDUSTRY – WHEN THE ODOUR UNIT IS NOT ENOUGH. C. Diaz*, A. Antón, C. Izquierdo. Ambiente et Odora S.L. (Spain). AMIGO. 

  • 5th TIME ZONE: North America

39. ANNOUNCING A NEW IEEE STANDARDS WORKING GROUP FOR LANDFILL ODOR MONITORING DEVICES AND SYSTEMS. S. Schiffman*, H.T. Nagle. North Carolina State University and University of North Carolina (USA). IEEE.

40. SYSTEM APPROACH IN BOOSTING SENSITIVITY, SELECTIVITY, AND STABILITY OF MODERN GAS SENSORS. R. A. Potyrailo*, S. Shan, G. Sculthorpe, B. Cheng, T. Wang, B. Jayaraman. GE Vernova Advanced Research (USA). IEEE-ISOCS.

41. COST OF BEING A GOOD NEIGHBOR. S. Cowden*, I. Mello. JACOBS (USA). WEF. 

42. APPLICATION OF BIOTECHNOLOGY FOR MUNICIPAL ODOR CONTROL – MYTHS AND FACTS. L.D. le Roux*. BioAir Solutions LLC (USA). WEF. 

43. MODELING IMPACTS OF LIQUID PHASE ODOR CONTROL ON PROCESS EFFICIENCY. U. Bazemo*. Black and Veatch (USA). WEF. 

44. CONTROLLING SEWER ODORS AND CORROSION – TRANSITIONING FROM STEEP TO FLAT. R.J. Pope*. Hazen and Sawyer (USA). WEF. 

45. STUDYING ODOR AND CORROSION FOR 168 KILOMETERS OF LARGE-DIAMETER INTERCEPTOR. S.Graziano*, B. Desing, M. Berry, J. Matteo, S. Schultz, J. Brown, S. Downing. WEF. 

46. ASSESS ALL CONDITIONS: ADVANTAGES OF A HOLISTIC WASTEWATER COLLECTION SYSTEM CONDITION ASSESSMENT APPROACH. V. Harshman*. V&A Consulting Engineers, Inc. (USA). WEF.

47. ODOUR ASSESSMENT METHODS: APPROPRIATE USES TO OBTAIN THE MOST ACCURATE RESULTS. A. Bokowa*. EOC Environmental Odour Consulting Corporation (Canada). A&WMA. 

48. ODOR MANAGEMENT AND REGULATION IN DENVER, COLORADO, USA. B. Obermann*, M. Petersen, M. Ortiz, M. McMillan, G. Thomas. Denver Department of Public Health and Environment (USA). A&WMA. 

49. DEVELOPMENT OF A NEW ASTM STANDARD FOR ENVIRONMENTAL ODOR ASSESSMENT: FALL 2025 UPDATE. K. Thaxton* (Gerstel GmbH & Co. KG, Mülheim an der Ruhr, Germany), J. Koziel (USDA-ARS, Bushland, USA), D. Wright (Don Wright & Associates, LLC, USA). A&WMA. 

50. REAL-TIME SURROGATES FOR ODOR. E. Luu*, A. Hurtado. SCSengineers (USA). A&WMA. 

51. ODOR ALLOCATION / ATTRIBUTION USING ULTRA-LOW REAL-TIME ANALYTICAL CAPABILITY AND DEEP DATA ANALYSIS TO FINGERPRINT FACILITIES. S. Yuchs*. PhD, Vice President, Technical, Montrose Environmental Group (USA). A&WMA.

52. ODOUR CONTROL OPTIMIZATION FOR AIR QUALITY MANAGEMENT USING AI: SCENTROID’S SMART OCU SYSTEM. M. Cabral*, A. Bakhtari. Scentroid (Canada). A&WMA. 

53. EVALUATING THE ENVIRONMENTAL JUSTICE DIMENSIONS OF ODOR IN DENVER, COLORADO. P. N. de Souza*, A. Rees, E. Oscilowicz, B. Lawlor, W. Obermann, K. Dickinson, L. M. McKenzie, S. Magzamen, S. Miller, M. L. Bell. University of Colorado Denver (USA). A&WMA.

  • Round Tables

a. Oceania

b. Asia

c. Europe

d. South America

e. North America

    This milestone reflects the power of global cooperation to advance odor management, foster innovation, and share practical solutions across continents. We hope these presentations continue to inspire new ideas, stronger partnerships, and meaningful progress toward better air quality worldwide.

 

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