The Biocassette system was implemented in 2023 at a Murcia East WWTP pumping station to reduce gas emissions in unitary sewage systems, especially in areas with extreme weather conditions.

   This plug-and-play biofiltration equipment effectively removes VOCs, hydrogen sulfide, and ammonia with low water and electricity consumption. Its compact, modular design and high-efficiency inorganic bio-media ensure a long service life (4-5 years) and stable operation. This system presents a sustainable alternative to traditional deodorization technologies, offering efficient and reliable odor treatment.  

R. Egeaa, F.J. Breisb, Gas Treatment SUEZ Air Quality & Climatec

aÁrea de Planificación, Proyectos y Obras (EMUASA), Plaza Circular 9, C.P.: 30008
bJefe de Grupo Agua Zona Sur. Acsa, Obras e Infraestructuras S.A.U., Parque Empresarial Cortijo del Conde, C/Acequia del Corón 3, 18015 Granada
cSUEZ Smart Environmental Solutions Spain, S.L.U., Parque científico de Alicante, Zona ampliación del Campus, Nave 6, 03690 Sant Vicent del Raspeig (Alicante)
* ramon.egea@emuasa.es

   An online workshop on the CALPUFF/CALMET air quality modelling via TEAMS has been proposed for 22nd May 2025. This event is organized by Mr. David Lyder, Senior Air Modelling Standards Engineer of the Air Policy Section of the Government of Alberta, along with Mr Madhan Selvaraj, Mr. Wally Qiu and Mr. Piotr Staniaszek. The idea is to gather feedback from the air quality modelling community. The event will aim to hear which updates professionals want to incorporate into the CALPUFF/CALMET system.

   The CALPUFF/CALMET air quality modelling system is an essential tool for regulatory air quality modelling applications and is widely used worldwide. However, it has not been updated for some time and requires improvements to incorporate the best available science and methodologies. During the 2024 Air & Waste Management Association conference held in Calgary, Alberta, it was recognized that the recent acquisition of the CALPUFF/CALMET code by Lakes Environmental Inc. presents an ideal opportunity to begin this process of updates.

  

   WWTP Pinedo, one of the biggest wastewater treatment plants in Spain, installed a network of eNoses on the site in Valencia.

   An important element of the learning process of eNoses is to have sufficient human references that can analyzed against the eNose data. So far, reports entered by citizens using the NASAPP platform have been used as human references in this project.

G. Monzón, S. Bootsman

Comon Invent, Delft, the Netherlands. www.comon-invent.com
* g.monzon@comon-invent.com

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