TY - JOUR T1 - Atrazine treatment with heterogeneous photo-Fenton like oxidation using statically approach TT - İstatistiksel yaklaşım kullanarak heterojen foto-Fenton benzeri oksidasyon ile atrazin arıtımı AU - Çokay, Ebru PY - 2019 DA - November JF - Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi PB - Pamukkale Üniversitesi WT - DergiPark SN - 2147-5881 SP - 705 EP - 710 VL - 25 IS - 6 LA - en AB - Atrazine(ATZ) which is a triazine herbicide can be used for the control weeds onagricultural land and it is classified as an endocrine disrupting pesticide.ATZ is persistent in water and soil due to its half-life and slow degradationby means of sunlight and microorganism. The heterogeneous Fenton process is aneffective technique for degrading atrazine because of the oxidation andadsorption of pollutants by hydroxyl radical. The hydroxyl radical formationhas been accelerated by addition of hydrogen peroxide and magnetite.heterogeneous Photo-Fenton like oxidation were executed to remove atrazine inthis study. Effects of independent variables namely the concentrations ofatrazine, hydrogen peroxide and magnetite on atrazine removal efficiency wereinvestigated by using the surface response analysis. Atrazine degradation wascompletely achieved with an hour. Optimal H2O2/Magnetite/ATZratio resulting by optimum atrazine removal efficiency (97.5%) was determinedas 10/5/0.7, respectively. KW - Atrazine KW - Heterogeneous photo-fenton like oxidation KW - Box-Behnken N2 - Atrazin(ATZ) triazin herbisit olup tarım arazileri üzerindeki kontrol bitkileri içinkullanılmaktadır. Endokrin bozucu bir pestisit olarak sınıflandırılmaktadır.ATZ, yarı ömrnün uzun olması, güneş ışığı ve mikroorganizma ile parçalanmasıyavaş olması nedeni ile nedeniyle su ve toprakta kalıcıdır. Heterojen Fentonprosesi ile kirletici maddelerin hidroksil radikali ile oksitlenmesi ve adsorpsiyonumümkün olup atrazinin parçalanması için etkili bir yöntemdir. Hidroksil radikaloluşumu hidrojen peroksit ve manyetit kullanımı ile artırılabilmektedir. Buçalışmada atrazini giderebilmek için heterojen Foto-Fenton benzeri oksidasyonyöntemi uygulanmıştır. İstatiksel yöntemi olan yüzey yanıt yönteminde; atrazin,hidrojen peroksit ve manyetit konsantrasyonlarının bağımsız değişkenlerinatrazin giderme verimi üzerindeki etkileri araştırılmıştır. Atrazinin tamamenparçalanması bir saatlik reaksiyon süresinde gerçekleştirilmiştir. Optimum H2O2/Manyetit/ATZoranı 10/5/0.7 olarak belirlenmiştir ve optimum oranda atrazin giderme verimi%97.5 olarak elde edilmiştir. CR - Martin-Neto L, Traghetta DG, Vaz P, Crestana S, Sposito G. “On the interaction mechanisms of atrazine and hydroxyatrazine with humic substances”. Journal of Enviromental Quality, 2, 520-525, 2001. 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