Investigation of Isotherm Data for Biosorption of Eosin Y Dye from Aqueous Solution using Tea Stem Pruning Wastes

Öz

In this study, by evaluating the low-cost, abundant, efficient and environment-friendly bio-waste obtained from the waste of tea stem, it has been ensured that this waste will be an alternative to the current expensive methods and raw materials in terms of the removal of environmental pollutants. Eosin Y (EY) adsorption from the aqueous solution, the effects of various parameters such as adsorbent dosage, interaction time and pH were investigated and optimum experimental conditions were determined. In the Langmuir isotherm model, experimental results were obtained at a maximum adsorption capacity of 3.56 mg/g at 25 ° C. In the light of the data, it was determined that the Freundlich model is more compatible with the experimental data. It is concluded that tea stem can be applied as an option since it is a low cost and natural product for removing EY from aqueous solution, compared with the present research and other adsorbents reported in the literature

Anahtar Kelimeler

• adsorption,biosorption,dye-removal,eosin y,tea-stem

Çay Çalısı Budama Atıkları Kullanılarak Eosin Y Boyarmaddesinin Sulu Çözeltiden Biyosorpsiyonu için İzoterm Verilerinin İncelenmesi

Öz

Bu çalışmada, atık çay çalısından elde edilen düşük maliyetli, bol miktarda bulunan, verimli ve çevre dostu bir biyo-atık, adsorban olarak değerlendirilmiştir. Çevreyi kirleten maddelerin giderimleri için bu çalışmada kullanılan doğal ürün, mevcut pahalı yöntem ve hammaddelerine alternatif olarak sunulmuştur. Eosin Y (EY) sulu çözeltiden adsorpsiyonunda, etkileşim süresi, pH, adsorban miktarı vb. gibi çeşitli parametrelerin etkileri incelenmiş ve optimum deney koşulları ortaya konmuştur. Deneysel sonuçlar ışığında, Langmuir izoterm modelinde, 25°C'da maksimum adsorpsiyon kapasitesi 3,56 mg/g olarak hesaplanmıştır. Veriler ışığında Freundlich modelinin deneysel verilerle daha iyi bir uyum sağladığı tespit edilmiştir. Mevcut araştırmalar ve bildirilen diğer adsorbanlarla karşılaştırıldığında, çay çalısının, sulu çözeltiden EY'nin giderilmesi için düşük maliyetli doğal ürün olması sebebiyle, bir seçenek olarak uygulanabileceği sonucuna varılmıştır.

Anahtar Kelimeler

• Çay Çalısı,Eosin Y,Biyosorpsiyon,Boyarmadde Giderimi,Adsorpsiyon

Kaynakça

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