GC-MS/O for the characterization of odours from cheese-production wastewater: A case study | Zendy

Mariana Hanková | Zendy; K. Maturová | Zendy; Helena Čížková | Zendy

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GC-MS/O for the characterization of odours from cheese-production wastewater: A case study

Author(s) -

Mariana Hanková,

K. Maturová,

Helena Čížková

Publication year - 2020

Publication title -

water science and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.406

H-Index - 137

eISSN - 1996-9732

pISSN - 0273-1223

DOI - 10.2166/wst.2020.513

Subject(s) - olfactometry , nonanal , wastewater , sewage treatment , chemistry , environmental science , waste management , mass spectrometry , gas chromatography , pulp and paper industry , environmental chemistry , chromatography , environmental engineering , engineering

The foul odour of cheese-production wastewater is a common problem in areas surrounding dairy wastewater treatment plants. For successful odour management, a better understanding of the key odorants and how to handle them during wastewater treatment is needed. This paper documents the results of using gas chromatography-mass spectrometry coupled with olfactometry (GC-MS/O) to analyze odours emanating from a possibly overloaded treatment plant in Czechia. Using a DB5 capillary column, 20 compounds were detected and identified, nonanal (FD geomean 152) and octen-3-ol (FD geomean 2048) having the most pungent odours.

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