Equilibrium and kinetic study of novel methyltrimethoxysilane magnetic titanium dioxide nanocomposite for methylene blue adsorption from aqueous media

2018 ◽  
Vol 32 (6) ◽  
pp. e4331 ◽  
Author(s):  
Parvin Alizadeh Eslami ◽  
Mohammad Afzal Kamboh ◽  
Hamid Rashidi Nodeh ◽  
Wan Aini Wan Ibrahim
Keyword(s):  
Methylene Blue ◽  
Titanium Dioxide ◽  
Kinetic Study ◽  
Aqueous Media ◽  
Methylene Blue Adsorption ◽  
Magnetic Titanium Dioxide

Kinetic and isotherm studies on adsorption of methylene blue using polyacrylonitrile/hydroxyl group functionalized multiwall carbon nanotube multilayered nanofibrous composite

2020 ◽  
pp. 009524431989728
Author(s):  
S Swaminathan ◽  
NM Imayathamizhan ◽  
A Muthumanickkam
Keyword(s):  
Methylene Blue ◽  
Kinetic Study ◽  
Dye Adsorption ◽  
Freundlich Isotherm ◽  
Isotherm Model ◽  
Hydroxyl Group ◽  
Isotherm Models ◽  
Multiwall Carbon Nanotube ◽  
Methylene Blue Adsorption ◽  
Multiwall Carbon

Nanofibrous composite mat was prepared using polyacrylonitrile hard yarn waste and hydroxyl group functionalized multiwall carbon nanotubes (MWCNTs-OH) by electrospinning technique and exploit for methylene blue dye adsorption from aqueous solution. The nanofibrous composite mat was characterized by Fourier transform (FT) infrared spectroscopy, FT-Raman, scanning electron microscopy, X-ray diffractometer and thermogravimetric analyser. The adsorption experiments were studied to investigate the effect of MWCNT-OH weight percentage, initial solution pH, contact time and initial dye concentration on the adsorption. The higher percentage of methylene blue adsorption was found to be 80.05% under optimal condition. The adsorption equilibrium data were studied with Langmuir and Freundlich isotherm models. The R2 value was found to be higher in the Freundlich isotherm model which was clearly indicated that the Freundlich isotherm model is most suitable for the adsorption of methylene blue on nanofibrous composite mat. The kinetic study was carried out to explain the adsorption rate of methylene blue on nanofibrous composite. The kinetic study of methylene blue adsorption was favourable to the pseudo second-order equation.

Surface-functionalized silica aerogels and alcogels for methylene blue adsorption

RSC Advances ◽  
2015 ◽  
Vol 5 (8) ◽  
pp. 6111-6122 ◽  
Author(s):  
Naim Saad ◽  
Mazen Al-Mawla ◽  
Elias Moubarak ◽  
Mazen Al-Ghoul ◽  
Houssam El-Rassy
Keyword(s):  
Methylene Blue ◽  
Sol Gel ◽  
Aqueous Media ◽  
Silica Aerogels ◽  
Blue Dye ◽  
Functionalized Silica ◽  
Methylene Blue Dye ◽  
Dye Molecules ◽  
Methylene Blue Adsorption ◽  
Sol Gel Process

Surface-functionalized silica aerogels and alcogels preparedviaa two-step sol–gel process through the combination of different silicon precursors were used in the adsorption of methylene blue dye molecules from aqueous media.

scholarly journals Magnetic Carbon Nanofibers from Horse Manure via Hydrothermal Carbonization for Methylene Blue Adsorption

2019 ◽  
Vol 540 ◽  
pp. 012006
Author(s):  
Napat Kaewtrakulchai ◽  
Ampol Putta ◽  
Warit Pasee ◽  
Kajornsak Fuangnawakij ◽  
Gasidit Panomsuwan ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Carbon Nanofibers ◽  
Hydrothermal Carbonization ◽  
Methylene Blue Adsorption ◽  
Horse Manure ◽  
Magnetic Carbon
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