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Gyllelugt

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Andre navne: (Eng.: Liquid manure odor)

Ved den anaerobe fermentering der foregår under lagringen af gylle (en flydende blanding af fækalier og urin) dannes der en lang række flygtige forbindelser hvoraf mange er potente lugtstoffer, dvs. lugtstoffer med en meget lav lugttærskel.

Tabellen viser en nogle af de forbindelser der er fundet i luften over gylle.

Alkoholer

Methanol

Ethanol

1-Propanol

2-Propanol

1-Butanol

2-Butanol

2-Methyl-1-propanol

3-Methyl-1-butanol

2-Ethoxy-1-propanol

2-Methyl-2-pentanol

2,3-Butandiol

Ketoner

3-Hydroxy-2-butanon

Propanon

2-Butanon

3-Pentanon

Cyclopentanon

2-Octanon

2,3-Butandion

 

Aldehyder

Formaldehyd

Ethanal

Propanal

Butanal

Pentanal

Hexanal

Heptanal

Octanal

Decanal

2-Methyl-1-propanal

Carboxylsyrer

Eddikesyre

Propionsyre

Smørsyre

2-Methylpropionsyre

Pentansyre

3-Methylbutansyre

Hexansyre

4-Methylpentansyre

Heptansyre

Octansyre

Nonansyre

Svovlholdige forbindelser

Carbonylsulfid

Svovlbrinte

Methanthiol

Dimethylsulfid

Dimethyldisulfid

Dimethyltrisulfid

Diethyldisulfid

Propanthiol

Butanthiol

Dipropyldisulfid

2-Methylthiophen

Propylprop-1-enyldisulfid

2,4-Dimethylthiophen

Aromater

Phenol

4-Methylphenol

4-Ethylphenol

Toluen

Xylen

Indan

Benzaldehyd

Benzoesyre

Indol

3-Methylindol

Acetophenon

Nitrogenholdige forbindelser

Ammoniak

Methylamin

Ethylamin

Trimethylamin

Alkaner

Methan

Estre

Ethylacetat

Andre

2-Methylfuran

 

Spoelstra, S.F. 1978. Microbial aspects of the formation of malodorous compounds in anaerobically stored piggry wastes. Ph.D. Thesis; Zahn, J.A., Hatfield, J.L., Laird, D.A., Hart, T.T., Do, Y.S. and DiSpirito, A.A. 2001. Functional classification of swine manure management systems based on effluent and gas emission characteristics. J. Environ. Qual. 30:635-647

 

BioSite 6/3,01; 10/9,02

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