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2014•Bursa Uludag University - AVESISRequires access

Polycyclic Aromatic Hydrocarbons PAHs Removal Applications in the Industrial Treatment Sludge Using UV and TiO2

Gizem Karaca, Yücel Taşdemir

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Abstract

In the present study, the removal of PAHs from industrial treatment sludge by using ultraviolet (UV) irridation and titanium dioxide (TiO 2 ) was investigated. Twelve PAHs (Σ 12 PAHs) were targeted and their levels in the sludge were studied. TiO 2 was added at the ratio of 5% and 20% of the dry matter (DM) of the sludge. At 45 ° C, 35% of the Σ 12 PAHs were removed with only UV light. Higher PAH removal ratios were obtained employing TiO 2 as a photocatalyst. At 45 ° C, Σ 12 PAH removal ratio was reached to 83% with using TiO 2 at the ratio of 20%.

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What this paper is about

In the present study, the removal of PAHs from industrial treatment sludge by using ultraviolet (UV) irridation and titanium dioxide (TiO 2 ) was investigated. Twelve PAHs (Σ 12 PAHs) were targeted and their levels in the sludge were studied. TiO 2 was added at the ratio of 5% and 20% of the dry matter (DM) of the sludge. At 45 ° C, 35% of the Σ 12 PAHs were removed with only UV light. Higher PAH removal ratios were obtained employing TiO 2 as a photocatalyst. At 45 ° C, Σ 12 PAH removal ratio was reached to 83% with using TiO 2 at the ratio of 20%.

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Available abstract

In the present study, the removal of PAHs from industrial treatment sludge by using ultraviolet (UV) irridation and titanium dioxide (TiO 2 ) was investigated. Twelve PAHs (Σ 12 PAHs) were targeted and their levels in the sludge were studied. TiO 2 was added at the ratio of 5% and 20% of the dry matter (DM) of the sludge. At 45 ° C, 35% of the Σ 12 PAHs were removed with only UV light. Higher PAH removal ratios were obtained employing TiO 2 as a photocatalyst. At 45 ° C, Σ 12 PAH removal ratio was reached to 83% with using TiO 2 at the ratio of 20%.

Key concepts: Titanium dioxide, Environmental chemistry, Chemistry, Ultraviolet, Photocatalysis, Pulp and paper industry, Environmental science, Waste management

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