Celile Demirbilek Bucak, Cemile Özdemir Dinç

Alizarin Red Boyar Maddesinin Dietilaminodekstran/Epiklorohidrin (DEAE-D/ECH) Kriyojeli ile Sulu Çözeltiden Gideriminin Araştırılması

Bu çalışmada, polimerik adsorban dietilamino etil dekstran/epiklorohidrinin (DEAE-D/ECH) kriyojelinin sudan boyar madde adsorplama yeteneği araştırılmıştır. Dietilamino etil dekstran/epiklorohidrinin kriyojeli ile suda çözünen Alizarin Red boyar maddesinin etkileşim mekanizması açıklanmıştır. Adsorpsiyondan önce ve sonra yapılan FTIR analizleri ve yüzey morfolojik analizler ile adsorpsiyonun mekanizması belirlenmiştir. Dietilamino etil dekstran/epiklorohidrinin kriyojelinin saf suda (% 2630) ve Alizarin Red boyası çözeltisinde (%1678) yüksek şişme oranına sahip olduğu görülmüştür. Adsorpsiyona başlangıç boya derişiminin etkisi ve Langmuir ve Freundlich izotermlerine uygunluğu araştırılmıştır. Sonuç olarak Alizarin Red boyasının dietilamino etil dekstran/epiklorohidrinin kriyojeline adsorpsiyonunun Langmuir izotermine göre uygun olduğu belirlenmiştir.

Anahtar Kelimeler:

Adsorpsiyon, Alizarin Red, kriyojel

Investigation of the removal of Alizarin Red dye from aqueous solution with Diethylaminodextran / Epichlorohydrin (DEAE-D / ECH) cryogel

This study describes the dyestuff removal ability of diethylaminoethyl-dextran–epichlorohydrin cryogel polymeric adsorbents. The interaction between diethylaminoethyl-dextran–epichlorohydrin cryogel and a water-soluble dyestuff, Alizarin Red, was investigated. The mechanism of adsorption is explained with fourier transform infrared analyzes and surface morphological analyzes performed before and after adsorption. Diethylaminoethyl-dextran–epichlorohydrin cryogel was found to have a high swelling rate in pure water (2630%) and Alizarin Red dye solution (1678%). The effect of initial dye concentration on adsorption and its suitability to the Langmuir and Freundlich isotherms were investigated. As a result, it was determined that the adsorption of Alizarin Red dye to diethylaminoethyl-dextran–epichlorohydrin cryogel was appropriate according to the Langmuir isotherm.

Keywords:

adsorption, Alizarin Red, cryogel,

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