Journal of Engineering / 2014 / Article / Tab 3

Research Article

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 3

Inlet and outlet concentration ranges and average concentration reduction for each compound family.

FamilyInlet conc. rangeOutlet conc. rangeAverage conc. reduction (%)

Organic acids*3.7–29.50.2–3.567.7
Alcohols and ethers32.7–227.76.9–33.368.0
Pyrazines and pyridines2.2–54.30.2–24.154.2
Sulphur compounds1.3–5.5n.d. <0.195.3

Excluding acetic acid, that had higher outlet than inlet levels, possibly due to new formation.

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