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CİNDORUK, SABAHATTİN SIDDIK

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CİNDORUK

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SABAHATTİN SIDDIK

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    Performance evaluation of diethylamine to the removal of polycyclic aromatic hydrocarbons (PAHs) from polluted soils with sunlight
    (Taylor, 2021-02-07) Eker, Gizem; Şengül, Burcu; Cindoruk, Sabahattin Sıddık; EKER ŞANLI, GİZEM; ŞENGÜL, BURCU; CİNDORUK, SABAHATTİN SIDDIK; Bursa Uludağ Üniversitesi/Mühendislik Fakültesi/Çevre Mühendisliği Bölümü; 0000-0003-0877-402X; 0000-0001-7536-0332; AAZ-1166-2020; CNL-8702-2022; JRB-1424-2023; GBB-7012-2022
    In the present study, the removal of polycyclic aromatic hydrocarbon (PAH) compounds from contaminated soil with solar radiation was investigated. In this context, the effect of diethylamine (DEA) as a photo-sensitizer on the photodegradation of PAH was examined, and the ring distributions of the PAHs were determined. DEA was added to samples at the doses of 1%, 10%, and 20% of dry weight of soil, and samples were kept in ambient air for 24 hours. Concentrations of sigma(12)PAH in soil samples were detected with Gas Chromatography-Mass Spectrophotometer (GC-MS) as 4382 ng/g dry matter (DM). The total PAH content of the soil decreased by 45% in the presence of sunlight without using DEA. sigma 12PAH removal efficiency was at the maximum level of 76% with the addition of 1% DEA to the soil. The increase in the dose of DEA adversely affected the PAH elimination process, and minimum removal ratio (32%) was obtained in the sample containing 20% DEA. The use of DEA has contributed to the elimination of most 3-ring PAH species. Heavy species, 5-6 ring compounds, have not been removed in the presence of sunlight.
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    Pah levels in a furniture-manufacturing city atmosphere
    (Elsevier, 2020-02-01) Çalışkan, Burak; Küçük, Aleyna; Taşdemir, Yücel; Cindoruk, Sabahattin Sıddık; ÇALIŞKAN, BURAK; Küçük, Aleyna; TAŞDEMİR, YÜCEL; CİNDORUK, SABAHATTİN SIDDIK; Bursa Uludağ Üniversitesi/Mühendislik Fakültesi/Çevre Mühendisliği Bölümü; 0000-0002-8729-9441; 0000-0002-6192-8609; 0000-0001-7536-0332; AAT-6526-2020; AAG-9468-2021; JHH-5032-2023; GBB-7012-2022
    In this study, in order to determine atmospheric PAH concentrations in Inegol/Turkey, ambient air samples were collected from two different sites representing industrial and uncontrolled furniture manufacturers regions. Sampling campaign took place between December 2017 and November 2018. Air samples were collected using high volume air samplers (HVAS) and PAH concentrations were determined in both gas and particulate phases. The mean of the atmospheric PAH concentrations obtained in the gas phase in the furniture workshops (FW) and industrial district (ID) regions were 697.82 +/- 637 ng/m(3) and 772.92 +/- 864.23 ng/m(3), respectively. The concentrations in the particulate phase in the regions were 413.52 +/- 430.23 ng/m(3) and 342.40 +/- 527.48 ng/m(3), respectively. The average total (gas + particlulate phases) concentration of Sigma(16)PAH determined in the site of FW was 1111.34 +/- 1045.24 ng/m(3) while that was 772.92 +/- 864.23 ng/m(3) in ID. These values are over the ambient levels reported for urban sites wherein big industries exist around the world. Additionally, the average of particle phase percentage was 30% because of nearby combustion sources. The determination of possible sources of PAHs in the regions was performed using principal component analysis (PCA). PCA results showed that the main sources of pollutants of the regions are intertwined (combustion, traffic, industries). However, the most effective source is thought to be uncontrolled combustion of furniture wastes as fuel for residential heating. Health risks for the citizens were calculated for both regions and were found not to be at high-class risk.