Easy Way for Removal of Methylene Blue with Low-Cost Biosorbent

Dye contamination of water is important because water quality is highly affected by color and toxicology of dyes. Removal of methylene blue (MB) from aqueous solution was performed with Anadara Inaequivalvis type of seashells. There are many studies was found with seashells but this type of seashell was firstly used as biosorbent for dye removal with 23 full factorial design. This study used untreated Anadara inaequivalvis shells as a biosorbent for methylene blue removal from aqueous solutions. The biosorbent was characterized using XRD, BET, and FT-IR. Results showed that the main seashell structure was aragonite with a heterogenic surface. Previously many dye removal studies were performed with classic methods, nowadays design of experiments were used for these studies. This method brings to examine the best optimum conditions of biosorption and also to determine the effects of experimental factors and interactions between the experimental factors with reduce the number of experiments. The three factors; pH, initial dye concentration and amount of biosorbents effects were investigated in 25 mL dye solution at 15 min. The high percentage removal of the methylene blue on Anadara Inaequivalvis shells powder was found % 90.46 when the pH value was 8, at 1.5 mg biosorbents with 100 mg/L methylene blue concentration by easy, cheap and rapid way.

Ucuz Biyosorbent ile Metilen Mavisinin Uzaklaştırılması İçin Kolay Yol

Sulardaki boya kirliliği önemlidir çünkü boyaların toksikolojisinden ve renk vermesinden dolayı suyun kalitesi ciddi olarak etkilenmektedir. Sulu çözeltilerden metilen mavisinin uzaklaştırılması Anadara Inaequivalvis tipi deniz kabukları ile gerçekleştirilmiştir. Deniz kabukları ile ilgili birçok çalışma bulunmuştur fakat bu tip deniz kabuklarının 23 tam faktoriyel dizaynla boya gideriminde biyosorbent olarak kullanımı ilk defadır. Bu çalışma da sulu çözeltilerden metilen mavisinin uzaklaştırılmasında işlem görmemiş Anadara inaequivalvis kabukları biyosorbent olarak kullanılmıştır. XRD, BET ve FT-IR kullanılarak biyosorbent karakterize edilmiştir. Deniz kabuğunun yapısının aragonit fazda ve heterojenik yüzeyde olduğunu elde edilen sonuçlar göstermiştir. Daha önceleri birçok boya uzaklaştırma çalışmaları klasik metotlarla gerçekleştirilmekteydi, şimdilerde deney tasarımları bu çalışmalarda kullanılmaktadır. Bu yöntemler biyosorpsiyonun optimum şartlarını ve deneysel faktorlerin ve bunların etkileşimlerinin etkilerinin belirlenmesini deney sayısını azaltarak vermektedir. Üç faktör; başlangıç boya derişimi, biyosorbent miktarı ve pH’nın etkileri 25 mL boya çözeltisinde 15 dakikada incelenmiştir. Anadara inaequivalvis kabukları üzerindeki en yüksek boya giderim yüzdesi pH değeri 8, 1.5 mg biyosorbent içeren 100 mg/L metilen mavisi çözeltisinde yanlızca 8 deney ile %90.46 olarak bulunmuştur.

Kaynakça

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