Congo red dye removal under the Influence of rotating magnetic field by polypyrrole magnetic nanocomposite

2018 ◽  
Vol 131 ◽  
pp. 328-342 ◽  
Author(s):  
Uyiosa Osagie Aigbe ◽  
Mohammed Khenfouch ◽  
Wei Hua Ho ◽  
Arjun Maity ◽  
Vijaya Srinivasu Vallabhapurapu ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Congo Red ◽  
Dye Removal ◽  
Rotating Magnetic Field ◽  
Magnetic Nanocomposite ◽  
Congo Red Dye ◽  
Red Dye

scholarly journals Spent Coffee Ground as Low-Cost Adsorbent for Congo Red Dye Removal from Aqueous Solution

2021 ◽  
Vol 765 (1) ◽  
pp. 012089
Author(s):  
R Taufik ◽  
M Mohamad ◽  
R Wannahari ◽  
N F Shoparwe ◽  
WHW Osman ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Congo Red ◽  
Dye Removal ◽  
Low Cost ◽  
Congo Red Dye ◽  
Spent Coffee Ground ◽  
Coffee Ground ◽  
Red Dye

Metal salt-modified biochars derived from agro-waste for effective congo red dye removal

2021 ◽  
pp. 111492
Author(s):  
Dang Le Tri Nguyen ◽  
Quach An Binh ◽  
Xuan Cuong Nguyen ◽  
Thi Thanh Huyen Nguyen ◽  
Quang Nha Vo ◽  
...  
Keyword(s):  
Congo Red ◽  
Dye Removal ◽  
Metal Salt ◽  
Congo Red Dye ◽  
Red Dye

Functionalization of powdered walnut shell with orthophosphoric acid for Congo red dye removal

2017 ◽  
Vol 37 (1) ◽  
pp. 74-85 ◽  
Author(s):  
Titilope Abiodun Ojo ◽  
Adedamola Titi Ojedokun ◽  
Olugbenga Solomon Bello
Keyword(s):  
Congo Red ◽  
Orthophosphoric Acid ◽  
Dye Removal ◽  
Walnut Shell ◽  
Congo Red Dye ◽  
Red Dye

Magnetic nanocomposite of activated charcoal for removal of Congo red dye

2016 ◽  
Vol 27 (1) ◽  
pp. 45-58 ◽  
Author(s):  
Baskar Gurunathan ◽  
Dhanusree Viswanathan ◽  
Shravanthi Rajasekar ◽  
Garrick Bikku George
Keyword(s):  
Aqueous Solution ◽  
Activated Charcoal ◽  
Congo Red ◽  
Magnetic Nanocomposite ◽  
Batch Adsorption ◽  
Content Type ◽  
Congo Red Dye ◽  
Eds Analysis ◽  
Average Size ◽  
Red Dye

Purpose – The purpose of this paper is to focus on the removal of Congo red dye from aqueous solution using magnetically separable novel adsorbent prepared by coating activated charcoal on magnetic nanoparticles. Design/methodology/approach – The synthesized magnetic nanocomposite of activated charcoal was characterized using Fourier transform infra-red (FTIR), scanning electron microscope (SEM) and energy dispersive spectroscopy (EDS) analysis. The removal of Congo red from aqueous solution using magnetic nanocomposite of activated charcoal was optimized. The equilibrium and kinetics modeling of adsorption of Congo red was analyzed. Findings – The presence of activated charcoal on magnetic nanocomposite was confirmed by FTIR analysis. The average size of the nanocomposite was found to be 12.77 nm using SEM characterization. The elemental composition by EDS analysis confirmed the increase in concentration of carbon due the adsorption of Congo red dye. The optimum conditions for batch adsorption was found to be 1 g/L of adsorbent, dye concentration 50 mg/L, pH 3 and temperature 70°C. The adsorption of Congo red dye on magnetic nanocomposite of activated charcoal was found to follow Temkin adsorption isotherm. Originality/value – The experimental data were found to fit well with the pseudo second-order kinetics and the rate of adsorption was found to be controlled by intra-particle diffusion.

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