Sürdürülebilir Kalkınma Amaçları
Yayınlar
- MakaleAçık Erişim2021Scopus SJRQ1Evaluation of non-carcinogenic health risks of thallium in grapevine exposed to mine waters of an abandoned mining region in Turkey
Topal, Murat; Arslan Topal, E. Işıl; Öbek, Erdal
In this study, non-carcinogenic health risks of thallium in grapevine exposed to mine waters of an abandoned mining region in Turkey were evaluated. The values of thallium were investigated in leaves, stems, and roots. Translocation factors (TF) and bioaccumulation concentration factors (BCF) were determined. The maximum thallium value in grapevines (root) was 2.34 ± 0.12 mg/kg. Thallium values in grapevine were stem < leaf < root. The bioconcentration value calculated in our study is higher than 1 showing thallium bioaccumulation from the mine water to grapevines. Translocation factor value is calculated as 1.20. The high total estimated daily exposure dose (TED) in grapevines was determined as 1.10E-02 mg/kg day for children. TEDs values in grapevines were observed as male < female < children, respectively. The maximum HQ risk value for male was observed as 1060 for children. The non-carcinogenic risk values were children > female > male. Hazard index values of thallium in grapevines were ingestion < dietary. As a result, hazard and total hazard index values were > 1 for thallium in grapevines. Therefore, there are non-carcinogenic health risks of thallium in grapevine exposed to mine waters of an abandoned mining region.
AtıfScopus3WoS1OpenAlex2
İncele - MakaleYalnız künye2021Scopus SJRQ3Determination of the estimated amounts of discarded face masks due to COVID 19 in Turkey
Topal, Murat; Topal, Emine Işıl Arslan
In this study, the estimated amounts of discarded face masks due to COVID 19 were investigated. In this context, the amount of waste face masks was determined separately according to the mask types used (nonwoven, meltblown, and 3-ply, pleated) and the importance of waste face masks was revealed. According to obtained data, the estimated total daily face mask use in Turkey is 72,351,638. The highest amounts of nonwoven, meltblown, and 3-ply face mask waste were determined as 26.88, 36.29, and 43.68 tonnes/day for İstanbul city, respectively. Total amounts of nonwoven, meltblown and 3-ply face mask waste in Turkey were calculated as 144.7, 195.35, and 235.14 tonnes/day, respectively. The top 5 provinces with the highest amount of waste masks are listed as follows; İstanbul (nonwoven=26.88, meltblown=36.29, 3ply=43.68 tonnes/day), Ankara (nonwoven=9.91, meltblown=13.38, 3ply=16.11 tonnes/day), İzmir (nonwoven=7.76, meltblown=10.47, 3ply=12.61 tonnes/day), Bursa (nonwoven=5.40, meltblown=7.29, 3ply=8.78 tonnes/day), and Antalya (nonwoven=4.45, meltblown=6.01, 3ply=7.23 tonnes/day), respectively. In Turkey, 91.3% of medical waste collected in health institutions in 2019 (90,920 tonnes) was sterilized and disposed of in storage areas (83,010 tonnes). 8.7% of medical waste was sent to incineration facilities and disposed (7,910 tonnes). Considering these values, 132, 178.35, and 214.7 tonnes/day of nonwoven, meltblown, and 3-ply face mask wastes can be disposed by sterilization and the remaining 12.7, 17, and 20.44 tonnes/day by incineration, respectively.
AtıfScopus5OpenAlex4İncele - MakaleAçık Erişim2021Scopus SJRQ2Investigation of the potential human health risk of toxic mercury determined in the grapevine exposed to mine gallery waters
Topal, Murat
In the present study, mercury was selected because of its toxicity. It was detected in the grapevines exposed to mine gallery waters. The potential health risk of mercury in leaves of grapevine those are consumed by human worldwide was investigated. The grapevines were harvested and separated into organs of roots, stems, and leaves. The concentrations of mercury were determined in roots, stems, and leaves. The translocation and bioconcentration factors were calculated. Maximum concentrations of mercury were stem < root < leaf. The health risk potential of mercury on human health was calculated. The estimated daily exposure doses of mercury followed an order for children and adults: dietary > ingestion > inhalation > dermal. The HQ values calculated for exposure ways of dietary, ingestion and inhalation were male < female < children. As a result, it was determined that grapevine exposed to mine gallery waters that cause environmental contamination may cause non-carcinogenic risks on human health.
AtıfScopus1OpenAlex1İncele - MakaleAçık Erişim2021Scopus SJRQ1Assessment of potential health risk associated with the use of Cladophora fracta as mulch
Öbek, Erdal; Topal, E. Işıl Arslan; Topal, Murat
In this study, cadmium, copper, nickel, zinc, chromium, manganese and lead were determined in Cladophora fracta present in Lake Hazar (Turkey). The health risks (non-carcinogenic and carcinogenic) of heavy metals associated with the use of Cladophora fracta as mulch were also determined. Bioconcentration factor (BCF) and metal pollution index (MPI) were calculated. When compared with reference value (1.5 mg/kg for Cr and 200 mg/kg for Mn), the highest accumulation by Cladophora fracta was seen in the month of June as 1442 ± 7.2% (23.13 mg/kg) for Cr and the lowest accumulation calculated in the month of July as 5 ± 0.2% (210 mg/kg) for Mn. In our study, the highest MPI value was 13.69 in September. The magnitude of MPI values of heavy metals determined during April to September appeared in the following order September > August > July > June > May > April. The HQing (hazard quotient due to ingestion) and HQinh (hazard quotient due to inhalation) in all months were chidren > female > male while the order of HQder (hazard quotient due to dermal) was determined as male > female > children. Non-carcinogenic risk (HQ) and Hazard Index (HI) values in terms of ingestion, inhalation and dermal ways were lower than 1. Also, total HI values were < 1. As a result, there was not non-carcinogenic and carcinogenic risks associated with usage of Cladophora fracta as mulch.
AtıfScopus4WoS4OpenAlex4
İncele - MakaleYayıncıda açık erişim2020Scopus SJRQ2Phytoremediaton of priority substances (Pb and Ni) by Phragmites australis exposed to poultry slaughterhouse wastewater
Topal, Murat; Arslan Topal, E. Işıl
The aim of the work was to evaluate the ability of Phragmites australis to uptake lead and nickel from the stream taking the treated poultry slaughterhouse wastewater (PSW). Pb and Ni concentrations, which are the priority substances of the water frame directive, were detected separately at the root, stem and leaf of P. australis at 50 m and 100 m from the downstream of discharge point. The uptake of Pb and Ni by P. australis followed the order of root > leaf > stem. The Ni uptake was higher than Pb uptake in P. australis exposed to poultry wastewater. As a result, P. australis exposed to PSW were found to have the ability to uptake Pb and Ni. It has been determined that P. australis can be used for removal and phytoremediation of Pb and Ni metals from PSWs.
AtıfScopus13WoS12İncele - MakaleYalnız künye2020Scopus SJRQ2Phycoremediation of Precious Metals by Cladophora fracta From Mine Gallery Waters Causing Environmental Contamination
Topal, Murat; Öbek, Erdal; Arslan Topal, E. Işıl
We have presented a study to determine the possibility for the usage of Cladophora fracta as bioaccumulator of the metals (Au) and silver (Ag) both have characteristics of pollutant and precious in mine water. The highest concentrations accumulated by C. fracta were determined as 5.8 ± 0.3 and 5323 ± 75 µg/kg for Au and Ag, respectively. The results showed that the accumulation of the metals measured followed the order of Ag > Au. The Metal Pollution Index (MPI) values calculated between 39.37 × 10−3 and 175.7 × 10−3 were used to determine the pollution degree of C. fracta. As a result, it was determined that C. fracta highly accumulated the precious metals from the gallery water. Therefore, C. fracta was a good bioaccumulator for the remediation of Au and Ag in mine gallery waters. In this way, it is possible to minimize or eliminate the environmental risks of the precious metals in the gallery waters.
AtıfScopus9WoS6OpenAlex6İncele - MakaleAçık Erişim2020Scopus SJRQ1Remediation of pollutants with economical importance from mining waters: Usage of Cladophora fracta
Topal, Murat; Arslan Topal, E. Is̨ıl; Öbek, Erdal
The accumulations of elements (Mo, Cu, Zn and Ni) those have both pollutant characteristics and economic importance were determined in the macroalga (green alga Cladophora fracta) exposed to mining water with the aim of presentation of the possibility of using the alga as a bioindicator of these elements. The highest element concentrations (Mo, Cu, Zn and Ni) accumulated by Cladophora fracta were determined as 2.38; 19.66; 4510.5 and 19.4 mg/kg, respectively. Bioconcentration factor values decreased in the order: Ni>Cu>Mo>Zn. The Metal Pollution Index (MPI) values calculated between 17.50 and 44.98 were used to determine the pollution degree of Cladophora fracta. As a result, it was determined that Cladophora fracta highly accumulated the elements from the mine gallery water. Therefore, Cladophora fracta was a good bioaccumulator and indicator for the remediation of the elements in mine gallery waters.
AtıfScopus8WoS4OpenAlex8İncele - MakaleAçık Erişim2020Scopus SJRQ2Performance of Cladophora fracta for Bioaccumulation of Critical Raw Materials from Mine Gallery Waters
Topal, Murat; Öbek, Erdal; Arslan Topal, E. Işıl
We investigated the accumulation of critical raw materials (CRMs) in macroalga (green alga Cladophora fracta) in mine gallery water with the aim of presentation of the possibility of using the algae as a bioaccumulator of CRMs. The CRMs investigated in the present study were lanthanum (La), vanadium (V), tungsten (W), scandium (Sc), bismuth (Bi), antimony (Sb), gallium (Ga) and cobalt (Co). The highest concentrations of La, V, W, Sc, Bi, Sb, Ga and Co were determined as 3.16 ± 0.15, 22 ± 1.0, 2.0 ± 0.1, 2.4 ± 0.12, 0.21 ± 0.01, 2.47 ± 0.13, 1.4 ± 0.07 and 7.28 ± 0.35 mg/kg, respectively. Bioconcentration factor values followed the order of La > V>W > Ga > Sb > Bi > Co > Sc. Also, metal pollution index (MPI) is used in order to identify the degree of pollution of C. fracta. The MPI values calculated were between 1.09 and 2.2. As a result, it was determined that C. fracta highly accumulated the CRMs from the mine gallery water and was a good bioaccumulator in remediation technology. In this way, it is possible to minimize or eliminate the environmental risks of the materials in the gallery waters.
AtıfScopus5WoS5OpenAlex6İncele - MakaleAçık Erişim2020Scopus SJRQ1Investigation of potential health risks in terms of arsenic in grapevine exposed to gallery waters of an abandoned mining area in Turkey
Topal, Murat; Arslan Topal, E. Işıl; Öbek, Erdal
In this study, potential health risks in terms of arsenic in grapevine exposed to gallery waters of an abandoned mining area in Turkey were investigated. The concentrations of arsenic were determined in roots, stems, and leaves. The translocation factors and bioconcentration factors were calculated. The highest arsenic concentration in the grapevine was determined as 539.4±27 mg/kg, for root. The arsenic concentrations in grapevine as follows: Root>Leaf>Stem. The estimated daily exposure followed an order for the male, female, and children: dermal<inhalation<ingestion<dietary. The non-carcinogenic and total hazard index values calculated for As were higher than 1. The risk of arsenic to be carcinogenic has been determined. The highest carcinogenic risk can be listed as dietary > ingestion > inhalation > dermal. In our study, calculated carcinogenic risk values in terms of dietary, inhalation, and ingestion are higher than 10−4-10−6. As a result, the highest cancer risk on human health was determined as a dietary intake of grapevine leaves according to the calculated carcinogenic risk values.
AtıfScopus20WoS19OpenAlex21İncele - MakaleAçık Erişim2020Scopus SJRQ3Removal of tetracycline antibiotic by Lemna gibba L. from aqueous solutions
Topal, Murat; Öbek, Erdal; Uslu Şenel, Gülşad; Arslan Topal, E. Işıl
In this study, the efficiency of Lemna gibba L. on tetracycline (TC) removal from the solutions prepared at various initial TC concentrations (50, 100 and 300 µg/L) was investigated. The study was conducted in the reactors planted with Lemna gibba L. plants. Lemna gibba L. plants in the reactors were harvested at various hydraulic retention times. Then, the concentrations of TC were determined by using LC/-MS-MS. The maximum removal efficiencies for the TC50, TC100 and TC300 in the planted reactors were 99.8 ± 4.1; 99.9 ± 4.9 and 99 ± 4.9%, respectively. The harvesting times for Lemna gibba L. at TC50, TC100 and TC300 concentrations were determined to be 12, 8 and 12 hours, respectively. First-, second- and pseudo-first-order kinetics are determined in the planted reactors (with Lemna gibba L.). According to the study results, second-order kinetics were obtained at TC50, TC100, TC300 concentrations. As a result, the Lemna gibba L. plant can be used as an alternative treatment method to other advanced treatment methods and it can be done with a cheap method by adapting to existing treatment plants. Lemna gibba L. plants can be used to remove pollutants by applying them to polluted lakes and water bodies.
AtıfScopus12OpenAlex11İncele - MakaleAçık Erişim2020Scopus SJRQ1Optimization of tetracycline removal with chitosan obtained from mussel shells using RSM
Topal, Murat; Arslan Topal, E. Işıl
In this study, the removal of tetracycline from aqueous solutions with chitosan obtained from mussel shells was optimized and investigated using responce surface methodology. For this aim, the central composite design was used to optimize the four variable factors (sorbent dosage (0.4–1.0 g), time (20−60 min), temparature (10−30 °C) and initial TC concentration (50−100 mg/L)) for the removal of TC from aqueous solutions by chitosan obtained from mussel shells. According to the RSM analysis results, optimum conditions for maximum TC removal efficiency were determined as 90.5 mg/L for initial TC concentration, 35.9 min for time, 29.9 °C for temperature and 0.4 g for sorbent dosage. It was observed that the tetracycline was crystallized on mussel shells. According to the results of XRD after adsorption, the content of mussel shells were observed as 60% calcite, 5.6% overite, 9.4% aragonite and calcium hydroxide 25%, respectively. As a result, experiments showed that chitosan obtained from mussel shells were a good adsorbant for tetracycline removal from aqueous solutions.
AtıfScopus53WoS52OpenAlex53İncele - Kitap BölümüYalnız künye2020Microbial release of exopolymeric substances and their role in removal of pollutants from wastewater
Işıl Arslan Topal, E.; Topal, Murat
Activated sludge samples were seasonally collected from the aeration tanks of the Municipal Wastewater Treatment Plant located in Elazığ city (Turkey). Mixed liquor suspended solids (MLSS), mixed liquor volatile suspended solids (MLVSS), total solids (TS), suspended solids (SS), volatile solids (VS), chemical oxygen demand (COD), and sludge volume index (SVI) of the activated sludge were seasonally monitored in the treatment plant. Exopolymeric substances (EPS) were extracted in the samples collected. The EPS decreased in summer, while the EPS content was the highest in winter. The TB-EPS part of EPS was higher than the LB-EPS part of the EPS in all seasons. The lowest TB-EPS and LB-EPS were determined in summer, while the highest TB-EPS and LB-EPS were determined in winter. The carbohydrate, protein, and humic substance fractions of TB-EPS and LB-EPS followed the order of protein > carbohydrate > humic substance in all seasons. There was a negative correlation between the EPS content and SVI. The relationships between EPS and the removal efficiencies of TS, SS, and VS were quite low, while the relationship between COD removal and EPS was quite high.
AtıfScopus1OpenAlex1İncele - MakaleYalnız künye2019Elazığ Keban Baraj Gölü Pertek Bölgesi Su Kalitesinin Bazı Parametrelerle Belirlenmesi
Topal, Murat
Bu çalışmada, Keban Baraj Gölü Pertek Bölgesinden yerüstü su numuneleri 2018 yılı yaz mevsimi boyunca alındıve Yerüstü Su Kalitesi Yönetmeliği’nde (YSKY) verilen su kalite parametreleriyle karşılaştırıldı. Elde edilenverilere göre pH 8,7-8,84 arasında, sıcaklık 20,1-27,5oC arasında, elektriksel iletkenlik (Eİ) 264-398 µS/cmarasında, nitrat (NO3--N) konsantrasyonları 1,1-1,34 mg/L arasında, Biyokimyasal Oksijen İhtiyacı (BOİ5)konsantrasyonları 2,3-3,6 mg/L arasında ve Kimyasal Oksijen İhtiyacı (KOİ) konsantrasyonları 25,2-33 mg/Larasında değerler aldığı belirlendi. Sonuç olarak, Keban Baraj Gölü Pertek Bölgesinden alınan yerüstü sularınınpH, sıcaklık, Eİ, NO3--N, BOİ5 konsantrasyonları açısından Sınıf-1 kalitesinde su olduğu, KOİ açısından ise Sınıf2 kalitesinden su olduğu tespit edildi.
AtıfTR Dizin3
İncele - MakaleYalnız künye2017Alabalık çiftliği sularında tetrasiklin ve parçalanma ürünlerinin araştırılması ve izlenmesi
Topal, Murat
In this study, tetracycline and degradation products were determined in the basins of a trout farm and in the stream carrying the waters of trout farm. 4-epianhydrotetracycline (EATC) and anhydrotetracycline (ATC) concentrations were determined under the detection limit in upstream of trout farm. The highest and lowest tetracycline concentrations detected in trout farm are 7.64±0.38 ppb and under detection limit, respectively. The highest and lowest 4-epitetracycline concentrations were 16.2±0.8 and 1.85±0.09 ppb, respectively while the highest and lowest 4-epianhydrotetracycline concentrations detected in trout farm were 25.8±1.3 and 6.12±0.30 ppb, respectively. The highest and lowest anhydrotetracycline concentrations detected in trout farm were 18.5±0.9 and 6.24±0.31 ppb, respectively. Mean tetracycline, 4-epitetracycline, 4-epianhydrotetracycline and anhydrotetracycline concentrations were 3.52±0.17; 5.30±0.26; 14.4±0.7 and 9.64±0.48 ppb in downstream of trout farm. When upstream and downstream were compared in terms of tetracycline and degradation products it could be said that Keban stream was affected as a result of activity of trout farm
AtıfTR Dizin1İncele - MakaleAçık Erişim2017Investigation and monitoring of tetracycline and degradation products in waters of trout farm
Topal, Murat
In this study, tetracycline and degradation products were determined in the basins of a trout farm and in the stream carrying the waters of trout farm. Tetracycline (TC), 4-epitetracycline (ETC), 4-epianhydrotetracycline (EATC) and anhydrotetracycline (ATC) concentrations were determined under the detection limit in upstream of trout farm. The highest and lowest tetracycline concentrations detected in trout farm are 7.64 +/- 0.38 ppb and under detection limit, respectively. The highest and lowest 4-epitetracycline concentrations were 16.2 +/- 0.8 and 1.85 +/- 0.09 ppb, respectively while the highest and lowest 4-epianhydrotetracycline concentrations detected in trout farm were 25.8 +/- 1.3 and 6.12 +/- 0.30 ppb, respectively. The highest and lowest anhydrotetracycline concentrations detected in trout farm were 18.5 +/- 0.9 and 6.24 +/- 0.31 ppb, respectively. Mean tetracycline, 4-epitetracycline, 4-epianhydrotetracycline and anhydrotetracycline concentrations were 3.52 +/- 0.17; 5.30 +/- 0.26; 14.4 +/- 0.7 and 9.64 +/- 0.48 ppb in downstream of trout farm. When upstream and downstream were compared in terms of tetracycline and degradation products it could be said that Keban stream was affected as a result of activity of trout farm.
AtıfWoS1OpenAlex1İncele