Ipomoea carnea: a novel biosorbent for the removal of methylene blue (MB) from aqueous dye solution: kinetic, equilibrium and statistical approach

2021 ◽  
pp. 1-19
Author(s):  
Mahalakshmi Mathivanan ◽  
Sameeha Syed Abdul Rahman ◽  
Rathinakumar Vedachalam ◽  
Surya Pavan Kumar A. ◽  
Sabareesh G. ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Statistical Approach ◽  
Ipomoea Carnea ◽  
Solution Kinetic ◽  
Kinetic Equilibrium

Removal of methylene blue from aqueous medium by citrate modified bagasse: Kinetic, Equilibrium and Thermodynamic study

2020 ◽  
Vol 11 ◽  
pp. 100463 ◽  
Author(s):  
Farid Mzee Mpatani ◽  
Aaron Albert Aryee ◽  
Alexander Nti Kani ◽  
Kang Wen ◽  
Evans Dovi ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Aqueous Medium ◽  
Thermodynamic Study ◽  
Kinetic Equilibrium

scholarly journals ADSORPTION OF CEFIXIME TRIHYDRATE ONTO CHITOSAN 10B FROM AQUEOUS SOLUTION: KINETIC, EQUILIBRIUM AND THERMODYNAMIC STUDIES

2021 ◽  
Vol 55 (7-8) ◽  
pp. 771-784
Author(s):  
GAZI SALAH UDDIN ◽  
SOMA SAHA ◽  
SUBARNA KARMAKER ◽  
TAPAN KUMAR SAHA
Keyword(s):  
Aqueous Solution ◽  
Aqueous Medium ◽  
Significant Loss ◽  
Solution Ph ◽  
Adsorption Ability ◽  
Naoh Solution ◽  
Pseudo Second Order ◽  
Solution Kinetic ◽  
Kinetic Equilibrium ◽  
Operational Aspects

An efficient and biodegradable adsorbent chitosan 10B was used to eliminate cefixime trihydrate from aqueous solution. The kinetic behavior of cefixime trihydrate adsorption onto chitosan 10B was studied in aqueous medium, from various operational aspects, such as contact time, solution pH, antibiotic concentrations, and temperatures. Cefixime adsorption onto chitosan 10B was confirmed by Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE-SEM) and energy-dispersive X-ray spectroscopy (EDX). The antibiotic adsorption kinetics obeyed a pseudo-second-order model rather than pseudo-first-order and Elovich kinetic models. The best illustration of antibiotic adsorption equilibrium was made by the Langmuir model, with the highest adsorption ability qm: 37.04 μmol/g at 298 K. The activation energy (Ea) of the present adsorption system was computed to be 44.18 kJ/mol. The values of activation (ΔG‡, ΔH‡ and ΔS‡) and thermodynamic (ΔG, ΔH and ΔS) parameters confirmed that the cefixime trihydrate adsorption onto chitosan 10B in aqueous medium is an exothermic physisorption process. Cefixime desorption from antibiotic-loaded chitosan 10B was performed in 0.1 M NaOH solution and the recycled adsorbent was utilized for a second time without significant loss of its adsorption capacity.

CO2-spherical activated carbon as a new adsorbent for Methylene Blue removal: Kinetic, equilibrium and thermodynamic studies

2018 ◽  
Vol 269 ◽  
pp. 132-139 ◽  
Author(s):  
Karen C. Bedin ◽  
Isis P.A.F. Souza ◽  
André L. Cazetta ◽  
Lucas Spessato ◽  
Amanda Ronix ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Activated Carbon ◽  
Thermodynamic Studies ◽  
Methylene Blue Removal ◽  
Spherical Activated Carbon ◽  
Kinetic Equilibrium

Adsorption of Lead(II) by Silica/Cell Composites from Aqueous Solution: Kinetic, Equilibrium, and Thermodynamics Studies

2013 ◽  
Vol 85 (2) ◽  
pp. 184-191 ◽  
Author(s):  
Hong-Xiang Ou ◽  
Yu-Jun Song ◽  
Qian Wang ◽  
Jian-Ming Pan ◽  
Wei-Bai Bian ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Silica Cell ◽  
Solution Kinetic ◽  
Kinetic Equilibrium
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