Uzun Zincirli Kuaterner Amin Katyonik-Volkanit Üzerine Stronsiyum (II) İyonlarının Adsorpsiyonunun Araştırılması: RSM ile Modelleme ve Optimizasyon

Yıl 2023, Cilt: 13 Sayı: 1, 72 - 84, 30.06.2023

Ümit Hüseyin Kaynar , Sermin Çam Kaynar

Öz

Bu çalışmada, alkali bazaltik yapıda ve bol miktarda bulunan kula volkaniti, hekzadesiltrimetilamonyum (HDTMA) organik
katyonu ile adsorpsiyon kapasitesi artırılarak stronsiyum gideriminde kullanılmıştır. İlk olarak, adsorban XRF, FT-IR ve SEM ile
karakterize edilmiştir. Daha sonra, sulu çözeltilerden Stronsiyum (II) iyonlarının adsorpsiyonu ICP cihazı ile ölçülmüş ve deneyler
yüzey yanıt metodu (YYM) ile optimize edilmiştir. Deneylerdeki çalışma planlanması için merkezi kompozit tasarım (CCD) metodu
kullanılmıştır. Çalışmada optimum değerlerde teorik olarak adsorbe edilen Stronsiyum (II) 31,978 mg/g olarak hesaplanmıştır. Ayrıca
çalışmada, çeşitli izotermlerin uyumluluğu ve termodinamik parametreler değerlendirilmiştir. Sonuçlara göre, ucuz ve bol miktarda
olan bu adsorban malzemenin radyoaktif atıkların ayrıştırılması ve arıtılmasında etkili olabileceği ve bu yapının aynı zamanda atıkların
taşınması için koruyucu kaplarda da kullanılabileceği sonucuna varılmıştır.

Anahtar Kelimeler

Adsorpsiyon, Stronsiyum (II), Quaterner amin, Yüzey yanıt metodu (YYM)

Investigation of Strontium (II) Ions Adsorption onto Long Chain Quaternary Amine Cationic-Volcanite: Modeling and Optimization by RSM

Öz

In this study, kula volcanite with alkaline basaltic structure and abundant abundance was used for strontium removal by increasing its
adsorption capacity with hexadecyltrimethylammonium (HDTMA) organic cation. First, the adsorbent was characterized by XRF,
FT-IR and SEM. Then, the adsorption of Strontium (II) ions from aqueous solutions was measured with the ICP device and the
experiments were optimized by the surface response method (RSM). Central composite design (CCD) method was used for the study
planning in the experiments. The theoretically adsorbed Strontium (II) at optimum values in the study was calculated as 31.978 mg/g.
In addition, compatibility of various isotherms and thermodynamic parameters were evaluated in the study. According to the results, it
was concluded that this cheap and abundant adsorbent material can be effective in the separation and purification of radioactive wastes,
and this structure can also be used in protective containers for the transport of wastes.

Anahtar Kelimeler

Adsorption, Strontium (II), Quaternary amine, Response surface method (RSM)

Kaynakça

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