TY - JOUR T1 - Maden sahası atıklarında bağlayıcı materyal ve Thiobacillus thiooxidans varlığının ağır metal mobilizasyonuna etkisinin araştırılması TT - Investigation of the effect of binding material and Thiobacillus thiooxidans on the heavy metals mobilization in the mine tailings AU - Aktaş, Derya AU - Akıncı, Görkem AU - Güven, Duyuşen PY - 2019 DA - June JF - Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi PB - Pamukkale Üniversitesi WT - DergiPark SN - 2147-5881 SP - 268 EP - 279 VL - 25 IS - 3 LA - tr AB - Çalışmada,terk edilmiş bir Pb-Zn madeni ve işletilmekte olan bor madeni atıklarındakiarsenik (As), bor (B), kadmiyum (Cd), bakır (Cu), mangan (Mn), kurşun (Pb),talyum (Tl) ve çinko (Zn) elementlerinin toplam konsantrasyonları, kimyasalbağlanma formlarındaki dağılımları ile bu elementlerin bağlayıcı materyal veasidik bakteri olan Thiobacillus thiooxidans varlığında mobilizasyonlarıincelenmiştir. Ayrıca atık ve bağlayıcı materyallerdeki sülfür ve karbonatmiktarları da belirlenerek, statik testlere göre atıkların asit nötralize etmepotansiyeli hesaplanmıştır.  Mobilizasyonçalışmaları için iki farklı bölgeden temin edilen atık ile bağlayıcı materyalolarak seçilen leonardit ve evsel katı atık kompostu farklı oranlardakarıştırılmak suretiyle (10/0, 9.5/0.5, 9/1, 8/2) deneyler yürütülmüştür.Ayrıca, sülfür oksitleyen bir bakteri olan Thiobacillus thiooxidans’ın ortamailave edilmesiyle mobilizasyona olan etkisi çalışılmıştır. Standart bir liçtesti olan EPA 1310B Ekstraksiyon Prosedürü kullanılarak mobilize olan ağırmetaller tespit edilmiş, bulgular SPSS 24 programı ile istatistiksel olarakdeğerlendirilerek çalışılan parametreler arasındaki korelasyonlar ortayaçıkarılmıştır. Leonardit ve kompostun maden atıklarına karıştırılmasıyla, ağırmetal mobilitesinde istatistiksel olarak anlamlı bir azalma görülmemiştir.Ancak farklı bağlayıcı materyaller, ağır metal türüne göre farklı etkilergöstermiştir.  Sonuç olarak, ortamdaThiobacillus thiooxidans olması durumunda ağır metal mobilitesinin arttığı vebunun öncelikli olarak değişken ve asitle çözülebilir fraksiyonda ve sonrasındaindirgenebilir fraksiyon ile organik fraksiyonlarına bağlı metal miktarı ile doğruorantılı olduğu anlaşılmıştır. KW - Maden atığı KW - Ağır metal KW - Mobilizasyon KW - Thiobacillus thiooxidans N2 - Thetotal concentrations of arsenic (As), boron (B), cadmium (Cd), copper (Cu),manganese (Mn), lead (Pb), thallium (Tl) and zinc (Zn) in the mine tailings ofan abandoned Pb-Zn mining site and an open boron mining site are investigatedin this study. In addition, heavy metals’ distributions in chemical bindingforms and their mobilities with the presence of binding materials and acidicbacteria are examined. The amounts of sulfur and carbonate in the waste andbinding materials are also determined according to the static method, in orderto define the acid neutralization potential of the wastes. For mobilizationstudies, mine tailings are mixed with with leonardite and domestic solid wastecompost in different ratios (10/0, 9.5 / 0.5, 9/1; 8/2). Independent from thebinding materials, the mobilization effect of sulfur oxidizing Thiobacillusthiooxidans bacteria has been tested and evaluated. Experiments are conductedusing a standard leach test EPA 1310B Extraction Procedure, and correlationsbetween the parameters studied were statistically evaluated using the findingsof SPSS 24. 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