Effect of the adsorbent dose in Pb(II) removal by using sugar cane bagasse: Kinetics and isotherms

被引：11
作者：
Tejada-Tovar, C. [1 ]
Bonilla-Mancilla, H. [2 ]
del Pino-Moreyra, J. [3 ]
Villabona-Ortiz, A. [1 ]
Ortega-Toro, R. [4 ,5 ]
机构：
[1] Univ Cartagena, Chem Engn Dept, Proc Design & Biomass Utilizat Res Grp IDAB, Ave Consulado Calle 30 48-152, Cartagena De Indias Dt Y 130015, Colombia
[2] Univ Nacl Ctr Peru, Fac Forestry & Environm Sci, Mariscal Castilla 3909, Huancayo 12006, Peru
[3] Univ Nacl Ctr Peru, Nursery Fac, Mariscal Castilla 3909, Huancayo 12006, Peru
[4] Univ Cartagena, Food Engn Dept, Food Packaging & Shelf Life Res Grp FP & SL, Ave Consulado Calle 30 48-152, Cartagena De Indias Dt Y 130015, Colombia
[5] Univ Cartagena, Grp Invest Ingn Fluidos Complejos & Reol Alimento, Ave Consulado Calle 30 48-152, Cartagena De Indias Dt Y 130015, Colombia
来源：
REVISTA MEXICANA DE INGENIERIA QUIMICA | 2020年 / 19卷 / 03期
关键词：
sugar cane residual bagasse; physical morphology; Lead (II); interaction; kinetics; ADSORPTION-KINETICS; AQUEOUS-SOLUTION; HEAVY-METALS; LEAD II; BIOSORPTION; CARBON;
D O I：
10.24275/rmiq/IA1101
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The objective of this work was to evaluate the effect of the adsorbent dose on the removal of lead (II) present in a synthetic solution using sugarcane bagasse (Saccharum officinarum). The biomaterial was characterized before and after removal by FTIR analysis which reported the presence of hydroxyl, carboxyl and carbonyl functional groups; and SEM analysis showing a porous surface in the form of fibrous cylinders typical of lignocellulosic materials, evidencing that Pb (II) ions are captured on the surface of the adsorbent. It was determined that the best dose of adsorbent was 0.10g obtaining 99.68% removal. The results of the kinetics were adjusted by the first order Pseudo model; and the isothermal adsorption that described the process was Langmuir, determining that the process occurs by physic-sorption and monolayer. It is concluded that the residual cane bagasse is efficient for the preparation of adsorbent and is recommended for the removal of the metal ion under study.
引用
收藏
页码：1413 / 1423
页数：11
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