Application of succinylated sugarcane bagasse as adsorbent to remove methylene blue and gentian violet from aqueous solutions – Kinetic and equilibrium studies

2012 ◽  
Vol 92 (3) ◽  
pp. 967-974 ◽  
Author(s):  
Karla Aparecida Guimarães Gusmão ◽  
Leandro Vinícius Alves Gurgel ◽  
Tânia Márcia Sacramento Melo ◽  
Laurent Frédéric Gil
2013 ◽  
Vol 118 ◽  
pp. 135-143 ◽  
Author(s):  
Karla Aparecida Guimarães Gusmão ◽  
Leandro Vinícius Alves Gurgel ◽  
Tânia Márcia Sacramento Melo ◽  
Laurent Frédéric Gil

2016 ◽  
Vol 75 (1) ◽  
pp. 106-114 ◽  
Author(s):  
Lucas Meili ◽  
Társila Santos da Silva ◽  
Daniely Carlos Henrique ◽  
João Inácio Soletti ◽  
Sandra Helena Vieira de Carvalho ◽  
...  

In this work, the potential of ouricuri (Syagrus coronata) fiber as a novel biosorbent to remove methylene blue (MB) from aqueous solutions was investigated. The fiber was prepared and characterized according to the fundamental features for adsorption. A 23 experimental design was used to evaluate the effects of adsorbent dosage (M), fiber diameter (D) and agitation (A) on the adsorption capacity. In the more adequate conditions, kinetic and equilibrium studies were performed. The experimental design results showed that M = 10 g L−1), D = 0.595 mm and A = 200 rpm were the more adequate conditions for MB adsorption. Based on the kinetic study, it was found that the adsorption process was fast, being the equilibrium was attained at about 5 min, with 90% of color removal. The isotherm was properly represented by the Sips model, and the maximum adsorption capacity was 31.7 mg g−1. In brief, it was demonstrated that ouricuri fiber is an alternative biosorbent to remove MB from aqueous media, taking into account the process efficiency and economic viewpoint.


2018 ◽  
Vol 153 ◽  
pp. 38-45 ◽  
Author(s):  
Lotfi Mouni ◽  
Lazhar Belkhiri ◽  
Jean-Claude Bollinger ◽  
Abdelkrim Bouzaza ◽  
Aymen Assadi ◽  
...  

2009 ◽  
Vol 45 (1) ◽  
pp. 129-141 ◽  
Author(s):  
Betina Royer ◽  
Natali F. Cardoso ◽  
Eder C. Lima ◽  
Thais R. Macedo ◽  
Claudio Airoldi

2011 ◽  
Vol 64 (7) ◽  
pp. 1566-1571 ◽  
Author(s):  
Yudong Lu ◽  
Leying Lin ◽  
Ruiyun You ◽  
Zonghua Wu

This study aimed at investigating the feasibility of using Camellia oleifera Abel shell (COAS), an agriculture product in middle-west region in China, for the adsorption of methylene blue (MB), a cationic dye. Batch adsorption experiments were carried out to evaluate the effects of contact time, pH, adsorbent dosage, temperature and initial concentration on the adsorption of MB. Adsorption equilibrium studies showed that MB adsorption followed Langmuir model with a maximum adsorption capacity of 454.54 mg/g. The results demonstrated that the COAS is a promising adsorbent in the removal of MB from aqueous solutions.


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