Investigation of Thorium Sorption on Helianthus Annuus Core Shell by using Taguchi Method

Abstract

Biosorption is an environment-friendly, low-cost and high-efficiency method for removing metals from aqueous solutions. Thorium biosorption on Helianthus annuus core shells was examined in a batch method as a function of initial thorium concentration, contact time, pH and temperature by using Taguchi experimental design technique. The design performed by selecting the L9 orthogonal array matrix and the model of “larger is better” which requires 9 experiment. According to 18 experiment results that obtained by repeating each experiment twice, S/N ratio and ANOVA analysis were performed. The optimum conditions were determined as 100 mg.L-1 initial thorium concentration, contact time was 1 hour, pH 4 and 35°C temperature and optimum intake capacity was 39.86 ± 096 mg.g-1.

Keywords

• Thorium,Biosorption,Helianthus Annuus,Taguchi Experimental Design

Helianthus Annuus Çekirdeği Kabuklarında Toryum Sorpsiyonunun Taguchi Metodu Kullanılarak İncelenmesi

Abstract

Biyosorpsiyon, sulu çözeltilerden metallerin uzaklaştırılması için kullanılan çevre dostu, düşük maliyetli ve yüksek verime sahip bir yöntemdir. Helianthus annuus çekirdeği kabuklarında toryum biyosorpsiyonu batch yöntem ile, başlangıç toryum konsantrasyonu, temas süresi, pH ve sıcaklığın bir fonksiyonu olarak Taguchi deneysel tasarım metodu kullanılarak incelenmiştir. L9 ortogonal dizi matrisi ve “daha büyük daha iyi” modeli seçilerek gerçekleştirilen tasarım 9 deney gerektirmektedir. Her deneyin iki kez tekrarlanmasıyla elde edilen 18 deneme sonucu, S/N oranı ve ANOVA analizi gerçekleştirilmiştir. Yapılan analizlere göre optimum koşullar 100 mg.L^-1başlangıç toryum konsantrasyonu, temas süresi 1 saat, pH 4 ve 35°C sıcaklık olarak belirlenmiş olup, optimum alım kapasitesi 39,86±096 mg.g^-1’dır.

Keywords

• : Toryum,Biyosorpsiyon,Helianthus Annuus,Taguchi Deneysel Tasarım

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