ŞERİFE PARLAYICI
(Selçuk Üniversitesi, Kimya Mühendisliği Bölümü, Mühendislik Fakültesi, Konya)
Yıl: 2018Cilt: 6Sayı: 1ISSN: 2147-4575 / 2147-4575Sayfa Aralığı: 40 - 48Türkçe

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Kitosan Kaplı Muz Kabuğu Boncukları ile Sulu Çözeltilerden Krom(VI) Giderimi
Bu çalışmada glutaraldehitle çapraz bağlanmış kitosan kaplamalı muz kabuğu (KMK) performansı, sulu çözeltilerden Cr (VI) iyonlarının adsorpsiyonu ile araştırılmıştır. Farklı deneysel parametrelerin; Cr (VI) iyonlarının farklı konsantrasyonu, pH, adsorban miktarı ve temas süresinin etkileri değerlendirilmiştir. Çözeltide kalan Cr (VI) konsantrasyonu difenilkarbazit ajanı kullanılarak UV-Vis. spektrofotometresi ile belirlenmiştir. KMK boncuklarıyla Cr(VI) adsorpsiyonunda optimum pH değeri 2.0 olarak bulunmuştur. KMK kullanılarak Cr(VI) maksimum giderimleri, pH 2, temas süresi 1 saatte, % 90,2 olarak elde edilmiştir. Çeşitli fonksiyonel gruplar FTIR analiziyle tanımlanmıştır. Adsorpsiyon deneyi denge verilerinin Langmuir modeline daha uygun olduğu belirlenmiştir. KMK için Cr(VI) maksimum adsorpsiyon kapasitesi 102 mg/g olarak bulunmuştur. Sonuçlar, Cr(VI) iyonlarının adsorpsiyonu için KMK’nın uygun adsorban olduğunu göstermiştir.
Fen > Mühendislik > Mühendislik, Kimya
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