Journals / Open Journal of Nano / 2022 / Cilt: 7 - Sayı: 2
Fractal adsorption characteristics and statistical analysis approach of complex dye molecule on metal oxide particles—A case study of Reactive Black 5(RB 5) adsorption onto NiO nanoparticles
- Journal
- Open Journal of Nano
- Pages
- 81–93
- DOI
- —
Abstract
In this study, environmental conditions for high efficient dye adsorption; initial pH, initial dye concentration, temperature, adsorbent concentration were determined as 6.0, 40oC, 100 mgL-1 and 1 g L-1, respectively. Obtained results from SEM, FT-IR and XRD analyzes were evaluated and compared with foundings in literature. It was found that the equilibrium data can be best represented with Langmuir isotherm model, and it was concluded that RB 5-NiO adsorption system behaviour was explained the pseudo-second order kinetic model successfully. It was concluded that dye-nanoadsorbent system was exothermic (ΔH
Özet
Bu çalışmada, yüksek verimli boya adsorpsiyonu için çevre koşulları; başlangıç pH, başlangıç boya konsantrasyonu, sıcaklık, adsorban konsantrasyonu sırasıyla 6.0, 40oC, 100 mgL-1 ve 1 g L-1 olarak belirlenmiştir. SEM, FT-IR ve XRD analizlerinden elde edilen sonuçlar değerlendirilmiş ve literatürdeki temel bilgilerle karşılaştırılmıştır. Denge verilerinin en iyi Langmuir izoterm modeli ile temsil edilebileceği bulunmuş ve RB 5-NiO adsorpsiyon sistem davranışının yalancı ikinci dereceden kinetik modeli başarıyla açıkladığı sonucuna varılmıştır. Boya-nanoadsorban sisteminin ekzotermik (ΔH