Polianilin/Aljinat Kompozit Malzemesinin Asit Violet 90 Boyar Maddesinin Gideriminde Kullanılması: Kinetik Ve İzoterm Değerlendirmesi

Yıl 2018, Cilt: 6 Sayı: 4, 729 - 740, 30.12.2018

Müjgan Okur , Filiz Aktı , Ayşenur Çetintaş

https://doi.org/10.29109/gujsc.383614

Cited By: 4

Öz

Bu çalışmada Polianilin/Aljinat
(PANİ/SA) kompozit malzemesi Asit Violet 90 (AV 90) boyar maddesinin adsorpsiyonunda
kullanılmıştır. PANİ/SA’nın karakterizasyonu Fourier Dönüşüm Kızılötesi Spektroskopisi (FTIR ile analiz edilmiştir. pH
(2-6), PANİ/SA küre miktarı (10-50 adet) ve AV 90 derişiminin (25-200 mg/L)
boyar madde giderimine etkisi incelenmiştir. En yüksek boyar madde giderimi pH
2’de elde edilmiştir. AV 90 adsorpsiyon izotermlerini belirlemek için Langmuir,
Freundlich ve Temkim izoterm modelleri kullanılmıştır. 25-200 mg/L boyar madde
derişimi aralığında Langmuir modelinden elde edilen maksimum adsorpsiyon kapasitesi
(q_m) değeri 138,9 mg/g olarak bulunmuştur. Adsorpsiyon kinetiğinin
belirlenmesi için yalancı birinci derece ve ikinci derece kinetik modelleri
kullanılmış ve en Yalancı ikinci derece kinetik modelin deney verileri ile daha
uyumlu olduğu görülmüştür. Deney
sonuçları PANİ/SA adsorbentinin AV 90 boyar maddesinin adsorpsiyonu için
oldukça iyi bir alternatif olduğunu göstermiştir. 

Anahtar Kelimeler

Polianilin, aljinat, Asit violet 90, adsorpsiyon

Kaynakça

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