Ucuz Bir Adsorbent İle Metil Mavisinin Giderimi: Optimizasyon, ANOVA Analizi

Bu çalışmada Kars ilinden elde edilen yerel kil kullanılarak metil mavisinin adsorpsiyonu incelenmiş ve Taguchi metodu (ortogonal L9 tasarım matrisi) ile parametreler optimize edilmiştir. Burada sıcaklık (20-25-30°C), boyar madde konsantrasyonu (80-120-160 mg/L) ve adsorbent miktarı (0.04-0.08-0.12 g) adsorpsiyona etki eden parametreler olarak seçilmiştir. Çalışmada metil mavisinin %98.6’sı kil üzerine adsorplanarak giderilmiştir. Bu giderimin sağlandığı optimum şartlar; sıcaklığın 20°C, konsantrasyonun 80 mg/L ve adsorbent miktarının 0.12 g olduğu seviyelerdir. Parametrelerin etkisini gözlemlemek için yapılan ANOVA analizinde en etkili parametrenin adsorbent miktarının olduğu ardından konsantrasyonun geldiği, sıcaklığın ise etkisiz olduğu görülmüştür. Aynı çalışma birim adsorbent başına adsorplanan metil mavisi miktarı üzerinden de optimize edilmiştir. Burada ise sıcaklığın 20°C, konsantrasyonun 160 mg/L ve adsorbent miktarının 0.04 g olduğu seviyeler optimum seviyeler olarak tespit edilmiştir. ANOVA analizinden konsantrasyon ve adsorbent miktarının adsorpsiyon üzerine etkilerinin birbirine yakın olduğu görülmüş, sıcaklığın ise adsorpsiyon üzerinde etkisiz olduğu gözlenmiştir. Belirlenen optimum şartlar da yapılan deneylerde birim adsorbent başına adsorplanan boyar madde miktarı, qt=87.33 mg/g olarak hesaplanmıştır.

Anahtar Kelimeler:

Adsorpsiyon, Metil mavisi, Kil, Taguchi Metodu, ANOVA analizi

Removal of Methylene Blue Using A Cheap Adsorbent: Optimization, ANOVA analysis

In this study, methylene blue adsorption was investigated using clay found locally in the Kars region. The temperature, dye concentration, and amount of adsorbent that can affect the adsorption were optimized by the Taguchi method. L9 orthogonal experimental design matrix was used in the design. Here, temperature (20-25-30°C), the concentration of dye (80-120-160 mg/L), and the amount of adsorbent (0.04-0.08-0.12 g) were selected as parameters affecting adsorption. In the study, 98.6% of methylene blue was removed. The optimum conditions for the removal of methylene blue are the temperature of 20°C of the temperature, 80 mg/L of the concentration, and 0.12 g of the amount of adsorbent. From the ANOVA analysis performed to observe the effect of the parameters, it was seen that the amount of adsorbent was the most effective parameter, then the concentration was effective and the temperature was ineffective. The same study was also optimized on the amount of methylene blue adsorbed per unit adsorbent. The optimum levels of temperature, concentration, and amount of adsorbent were determined as 20°C, 160 mg/L, and 0.04g, respectively. According to ANOVA analysis, it was observed that the concentration and amount of adsorbent had approximately the same effect, while the temperature was ineffective on adsorption. In the experiments carried out under optimum conditions, the value of qt=87.33 mg/g was reached.

Keywords:

Adsorption, Methylene blue, Clay, Taguchi Method, ANOVA analysis,

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