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author = "Romain, Anne-Claude"

Found 54 documents, displaying page 5 of 6

Monitoring the exhaust air of a compost pile as a process variable with an e-nose

Description : In this paper, the monitoring of the composting process with an e-nose is presented. An emission chamber is developed for this purpose and put on a household waste compost pile. A lab-made e-nose with metal oxide sensors is located at the exit of this chamber. Simultaneously to the e-nose measuremen...
Repository : ORBi (University of Liège)
Language(s) : English

Monitoring the exhaust air of a compost pile as a process variable with an e-nose

Description : In this paper, the monitoring of the composting process with an e-nose is presented. An emission chamber is developed for this purpose and put on a household waste compost pile. A lab-made e-nose with metal oxide sensors is located at the exit of this chamber. Simultaneously to the e-nose measuremen...
Repository : ORBi (University of Liège)
Language(s) : English

Choice of a suitable E-nose output variable for the continuous monitoring of an odour in the environment

Description : An array of tin-oxide sensors is used to continuously monitor different odour emissions in the environment. The paper presents some issues aiming at improving the portability and the user-friendliness of the instrument as well as testing what kind of signal may be used to monitor the odour "intensit...
Repository : ORBi (University of Liège)
Language(s) : English

Using the classification model of an electronic nose to assign unknown malodours to environmental sources and to monitor them continuously

Description : The paper provides some considerations resulting from measurements with electronic noses around real sources of malodour in the environment: compost facilities, printing houses, paint shops, waste water treatment plants, rendering plants, settling ponds of sugar factories. The study aims at supplyin...
Repository : ORBi (University of Liège)
Language(s) : English

Fuzzy K-NN applied to moulds detection

Description : The possibility to detect Aspergillus versicolor growing on different building materials by a metal oxide sensor array is studied. Results show that an accurate classification rate of 89 +/- 3% can be obtained combining an extended linear discriminant analysis plus a fuzzy k-NN classifier. The class...
Repository : ORBi (University of Liège)
Language(s) : English

Utilisation élémentaire d'un réseau de capteurs "SnO2" pour la reconnaissance d'odeurs environnementales

Description : Pouvoir identifier les mauvaises odeurs et les suivre en continu directement sur le terrain constituerait sans conteste un atout non négligeable pour un bon nombre d'études environnementales. Sur le principe, un tel objectif semble correspondre parfaitement aux possibilités et à la souplesse d'un ne...
Repository : ORBi (University of Liège)
Language(s) : French

Gas sensor array applied to the monitoring of biogas process

Description : There is a lack of simple online monitoring system to control the performances of biogas reactors. The electronic nose technology appears to be an adapted device to deliver fast information about process disturbances in anaerobic reactors as it is adequate for online monitoring. In this study, twelv...
Repository : ORBi (University of Liège)
Language(s) : English

Detection of diverse mould species growing on building materials by gas sensor arrays and pattern recognition

Description : This work explores the detection of moulds growing in different building materials by using a metal oxide sensor array. Four moulds species have been considered. Pattern classification provides detection rates on the order of 80-85% for different species. Drift degrades only slightly these values su...
Repository : ORBi (University of Liège)
Language(s) : English

Implementation of health aspects (ER N°3) in the Construction Products; Directive (CPD) regarding emissions to indoor air

Description : Standardisation work on test methods for dangerous substances released in the indoor air by construction products is currently ongoing at European level. The paper presents a study conducted in Belgium, which compares methods in three different test chambers and aiming at assessing the performance o...
Repository : ORBi (University of Liège)
Language(s) : English

Found 54 documents, displaying page 5 of 6