Case study n°OD1 - vigi e nose modeling dispersion software - updated : 07.10.21 Case Study Revolutionary Solution in the Odor Market Vigi e-nose recognized versus the competition When odor issues occur at an industrial site, rapid This solution redefines the capability with diagnosis must be done and a strategy defined to online monitoring specifically suited for the ‘odor’ treat odor sources definitively. monitoring industry. Chromatotec solutions provide the ability to quantify concentrations in parts per Today, the sensory panel approach using dynamic billion (ppb) or parts per trillion (ppt) in ambient air olfactometry analysis is considered as first approach and process applications. Chromatotec has proven to rank odor sources and subsequently to treat the that the traditional thinking that no analytical most noxious odors. When investigating the source solution can be more sensitive than human nose. of the odor, an online monitoring system provides Chromatotec is the global supplier of online for the best available methodology. Conventional measurement platforms capable of meeting the electronic nose (e-nose) technologies are designed strictest guidance from regulators and industry and to check odor variation and try to correlate results deploy his solutions worldwide for use in the ambient with a sensory approach (e.g., dynamic olfactometry air, industrial, research, and energy monitoring using EN 13725 or ASTM 679-E04 methods). These sector. Chromatotec’s all-in-one, turn-key, vigiODOR approaches, however, have limitations since the solution can be deployed at any location, any current e-nose solutions do not provide the gas environment, and any classification where odorant composition via speciation and require the use monitoring is required. of technologies that are highly susceptible to interference. Manual sampling techniques are susceptible to additional loses of sample because the molecules are often lost during sampling and transport of samples to the laboratory for analysis. Therefore, the need for online analyzers able to monitor onsite odors constituents such as Volatile Organic Compounds (VOCs), sulfurs, and nitrogenous compounds is apparent. In response to this need, Chromatotec has developed the solution for the online analysis of VOCs, sulfurs, and NH3. CANOPIA recovery center located in Bayonne, France, has recently deployed Chromatotec’s vigiODOR solution. This site collects domestic waste from 200,000 citizens and converts it to compost, solid recovered fuel and biogas by utilizing the VALORGA methanization process. The CANOPIA site treats 84,000 tons of waste and produces 30,000 tons of compost per year. The site covers over three acres with 0.25 acres dedicated to air treatment. Urbaser Environment designed and managed the construction of the entire site and currently manages the site through the VALORTEGIA subsi

For Sebastien Cueillens, Project Director for Urbaser Environment organization and in charge of the site management, odor is a crucial point. In the past, Mr. Cueillens had used e-nose technology with Metal Oxide Sensors (MOS) technologies and was disappointed by such technology as the data lacked information about gas composition. He stated, “The quantification of sulfurs is very important to verify the performance of the biologic digester. The VOCs are important to verify the performance of charcoal filters. The odor monitoring is important to verify that processes work properly and are compliant...

To evaluate the chemical and odor impact of the source on the neighborhood, the topography, meteo, and concentrations monitored by the analyzer are input into the dispersion modelling software. The meteo data, source origin contribution, analytical data, and alarms are centralized on the vigiODOR platform installed on the local server (cloud-based solutions available as well). The solution was preconfigured to provide for rapid access of the data (see vigiODOR interface image below). vigiODOR interface with dynamic plume for sulfurs and contribution of odor source in addition to meteo data The...