A new electrode reactor with in-built recirculation mode for the enhancement of methylene blue dye removal from the aqueous solution: Comparison of adsorption, electrolysis and combined effect

2013 ◽  
Vol 31 (2) ◽  
pp. 276-283 ◽  
Author(s):  
Ponnusamy Senthil Kumar ◽  
Maria Jacob Stani Raja ◽  
Mahathevan Kumaresan ◽  
Dinesh Kumar Loganathan ◽  
Prabhakaran Chandrasekaran
Keyword(s):  
Aqueous Solution ◽  
Methylene Blue ◽  
Dye Removal ◽  
Combined Effect ◽  
Blue Dye ◽  
Methylene Blue Dye

Lead ions and methylene blue dye removal from aqueous solution by mucuna beans (velvet beans) adsorbents

2020 ◽  
Vol 8 (2) ◽  
pp. 103557 ◽  
Author(s):  
Ntaote David Shooto ◽  
Patience Mapule Thabede ◽  
Blessing Bhila ◽  
Harry Moloto ◽  
Eliazer Bobby Naidoo
Keyword(s):  
Aqueous Solution ◽  
Methylene Blue ◽  
Dye Removal ◽  
Lead Ions ◽  
Blue Dye ◽  
Methylene Blue Dye

Fabrication of Zinc Oxide-Polyaniline Composite on Kapok Paper for Methylene Blue Dye Removal in Aqueous Solution

2018 ◽  
Vol 779 ◽  
pp. 137-141
Author(s):  
Aldwin Christian Lacuesta ◽  
Mary Donnabelle Balela ◽  
Marvin U. Herrera
Keyword(s):  
Aqueous Solution ◽  
Methylene Blue ◽  
Zinc Oxide ◽  
Dye Removal ◽  
Blue Dye ◽  
Methylene Blue Dye ◽  
Silar Method ◽  
Layer Adsorption ◽  
Kapok Fibers ◽  
Polyaniline Nanocomposite

Polyaniline-zinc oxide composite on Kapok paper were fabricated for methylene blue dye removal in aqueous solution. Kapok fibers were fabricated into papers. The fabricate paper served as substrate for the zinc oxide-polyaniline composite. Zinc oxide particles were deposited on the Kapok paper using an in-situ method while polyaniline molecules are deposited on paper using Successive Ionic Layer Adsorption and Reaction (SILAR) method. The polyaniline molecules were deprotonated using sodium hydroxide (NaOH) to be able adsorb cationic dyes in aqueous solution. The samples were characterized using scanning electron microscope (SEM), energy dispersive X-ray (EDX) spectroscopy and Fourier transform infrared (FTIR) spectroscopy. Results show that the deprotonated polyaniline nanocomposite was able to remove at about 75% more dye compared to the as-synthesized polyaniline nanocomposite.

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