Yeni Bir Kompozit Malzeme Kullanılarak Sulu Ortamdaki Katyonik Boya Giderimi
Öz
Bu çalışmada, Poliakrilamid (PAA) ve diatomit
(D) içeren yeni bir kompozit materyal sentezlendi ve bir katyonik boya olan
metilen mavisinin (MB) sulu ortamdaki gideriminde kullanıldı. Elde edilen yeni
kompozit, pliakrilamid-diatomit (PAA-D) sıfır yük noktası (SYN), FTIR
analizleriyle karakterize edildi. Yeni kompozit materyalin adsorpsiyon
özellikleri kapsamlı olarak ve deneysel değişkenler derişim, pH, sıcaklık,
zaman ve iyonik şiddet gibi optimize edilerek araştırılmıştır. Deneysel veriler
teorik adsorpsiyon modelleri kullanılarak hesaplandı. Kompozit materyalin
adsorpsiyon kapasitesi Langmiur eşitliğinden 0.019 mol kg−1 olarak
hesaplandı. Freundlich ve DR modellerinden hesaplanan sabitler 0.075 ve 0.034
olarak bulundu. Adsorpsiyon kinetiği yalanci ikinci derece kinetik ve parçacık
içi difüzyon modelleriyle de açıklandı. Deneysel çalışmalar adsorpsiyonun
endotermik olduğunu ve kendiliğinden meydana geldiğini gösterdi. Yeni
geliştirilen materyal çeşitli ortamlardan atık sular gibi, metilen mavisi
katyonik boyasını gidermek için potansiyel bir adsorban olarak kullanılabilir.
Anahtar Kelimeler
References
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Details
Primary Language
English
Subjects
-
Journal Section
Research Article
Authors
Zeynep Mine Hasdemir
*
CUMHURİYET ÜNİVERSİTESİ
Türkiye
Selçuk Şimşek
CUMHURİYET ÜNİVERSİTESİ
Türkiye
Publication Date
March 16, 2018
Submission Date
November 22, 2017
Acceptance Date
January 15, 2018
Published in Issue
Year 1970 Volume: 39 Number: 1
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