Treatment Efficiency by means of a Nonthermal Plasma Combined with Heterogeneous Catalysis of Odoriferous Volatile Organic Compounds Emissions from the Thermal Drying of Landfill Leachates

Table 4

Odoriferous VOC_OD () screening results and % reduction, corresponding to Day 4.1.

Compound	Inlet conc.	Outlet conc.	%
	g/m^3	g/m^3	Reduction
2-Hexanone	0.2	<0.1	>50.0
2-Hexen-1-ol acetate	0.4	0.4	0.0
2-Hexen-1-ol	1.7	1.2	29.4
Dimethylpyridine	0.6	0.8	−33.3
Cyclohexanone	1.3	<0.1	>92.3
2-Ethylpyridine	0.1	<0.1	0.0
2,6-Dimethylpyrazine	0.9	0.6	33.3
2,3-Dimethylpyrazine	0.9	0.6	33.3
2-Ethyl-2-hexenal	0.2	0.2	0.0
Benzaldehyde	0.2	<0.1	>50.0
2-Ethylhexanal	0.5	<0.1	>80.0
Hexanoic acid	0.3	0.2	33.3
Terpene	0.3	0.2	33.3
2,4,6-Trimethylpyridine	0.3	<0.1	>66.7
2-Methyl-6-ethylpyrazine	0.4	0.2	50.0
Trimethylpyrazine	13.7	8.9	35.0
Limonene	0.8	<0.1	>87.5
Eucalyptol	1.3	0.8	38.5
Dihydroisophorone	0.6	<0.1	>83.3
2-Ethyl-3,5-dimethylpyrazine	4.9	3	38.8
3-Ethyl-2,5-dimethylpyrazine	19.5	9.8	49.7
Alcohol	2.4	1.9	20.8
2-Ethylhexanoic acid	3.5	<0.1	>97.1
Camphor	2.7	1.7	37.0
Octanoic acid	3.5	3.4	2.9
3-Undecanone	6.9	4.8	30.4
Possible sulphur derivative	5.5	<0.1	>98.2
2-Methyl-1-dodecanol	4.8	3.1	35.4
Alcohol	14.3	8.7	39.2
()	92.7	51.5	44.4