OdoWatch on Watch for Compost Odours

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The Edmonton Waste Management Centre (EWMC) of Edmonton, Alberta, Canada, is a unique collection of advanced waste processing and research facilities.  Owned and operated by the city of Edmonton Waste Management Services, the EWMC is an integral part of Edmonton’s sustainable approach to waste management.  The Centre is 233 hectares in size – 25 hectares is devoted to their composting facility, and is the largest of its kind in North America. 

Odotech, a Canadian Company that produces the e-noses, announces the installation of one of their largest OdoWatch systems to date, at the EWMC. The OdoWatch system is designed to track odours from the recycling area, material transfer station and working face of the landfill.

The Edmonton Waste Management Centre, world-renowned for their innovation in waste management, has selected Odotech to help them better understand and efficiently manage, the odours emitted from their site. With greater knowledge about sources of the odours, more effective measures to mitigate those emissions can be developed.

For further information about Odotech activities you may subscribe to their blog here.

 

Source odotech blog

Monitoring the biofiltration of α-pinene vapours through municipal solid waste and pruning residues composts using an e-nose

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Principal Components Analysis (PCA) carried out using the data sets obtained with a commercial electronic nose after 223 days and structure of α-pinene. R. López1, I. Cabeza1, J. R. Lock-Wah-Hoon1, I. Giráldez 2, M. Ruíz3, M. J. Díaz3

1 Instituto de Recursos Naturales y Agrobiología de Sevilla-CSIC, Avda. Reina Mercedes 10, 41012 Sevilla. .

2 Departamento de Química y Ciencia de los Materiales, Facultad de Ciencias Experimentales, Univ. de Huelva, Campus Universitario El Carmen, Avenida de las Fuerzas Armadas, 21071-Huelva.

3 Departamento de Ingeniería Química, Química Física y Química Orgánica, Facultad de Ciencias Experimentales, Univ. de Huelva, Campus Universitario El Carmen, Avenida de las Fuerzas Armadas, 21071-Huelva.

Keywords: Volatile organic compounds, terpenoid

Abstract

The volatile organic compound (VOC) α-pinene, one of the most abundant component emitted during the composting of urban waste (MSW) and pruning waste (P), was treated in biofilters filled up with a MSW compost or a MSW+P compost. A photoionization detector was used to carry out the monitoring of the biofilters efficiency but GC-MS and an electronic nose were also used for the process study. Moisture content in biofilters below 66% (dw, MSW) or 51% (dw, MSWP) made efficiency decrease to less than 90%. GC-MS spectra indicated no intermediate products from α-pinene degradation appeared but e-nose data indicates a “smell” corresponding to S-compounds produced in MSW biofilter. These results show that electronic noses could become a powerful tool for the monitoring of VOC compounds in biofiltering and composting processes.

OdaLog® a new portable H2S gas detector

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odalogodalog sewer   The OdaLog® is a portable gas detector specifically designed for the wastewater industry, manufactured by App-Tek International – the industry-proven gas detection specialist for harsh environments.

   Due to the nature of the environment in which the instrument has to operate, the OdaLog® is designed to be intrinsically safe, corrosion-resistant, robust and able to log data for extended periods of time. The OdaLog® is primarily used at a location close to the source of Hydrogen Sulphide (H2S) emissions such as those found within sewerage pumping stations, receiving manholes and inside sewer collection lines. Also, it can be used as personal safety device for confined spaces (OdaLog® 7000 MkII).

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