Applications of sugar scum-sawdust composite for dye removal from aqueous solutions: kinetic and isotherm studies

被引：9
作者：
Chikri, R. [1 ]
Elhadiri, N. [1 ]
Benchanaa, M. [1 ]
El Maguana, Y. [1 ]
机构：
[1] Cadi Ayyad Univ, Fac Sci Semlalia, Dept Chem, Res Lab Mat Sci & Proc Optimizat SCIMATOP, BP 2390, Marrakech, Morocco
来源：
BIOMASS CONVERSION AND BIOREFINERY | 2023年 / 13卷 / 17期
关键词：
Sawdust; Composite; Sugar scum; Adsorption; Dyes; Environment; METHYLENE-BLUE DYES; ACTIVATED CARBON; WASTE-WATER; LOW-COST; FRACTIONAL FACTORIAL; ADSORPTIVE REMOVAL; CRYSTAL VIOLET; BATCH; NANOPARTICLES; ADSORBENTS;
D O I：
10.1007/s13399-021-02110-8
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In recent years, the removal of dyes from wastewater has attracted considerable attention due to their harmful effects on the ecosystem and human health. Therefore, sawdust and sugar scum as by-products have been used to produce a low-cost composite for the removal of dyes from wastewater. The composite was characterized by SEM/EDX, FTIR, XRD, pH(pzc), and its capacity to adsorb methylene blue (MB). The produced adsorbent had a porous structure and a pH(pzc) of 7.95. The maximum uptake of MB was found 66.72 mg/g at temperature 25 degrees C, for an adsorbent dose of 0.4 g/L, and MB concentration of 100 mg/L with a contact time of 1 h determined by kinetic test. The adsorption equilibrium of MB was well explained by the pseudo-second-order and Freundlich models. The sugar scum-sawdust composite was found to be an effective material for dye removal from wastewater.
引用
收藏
页码：15949 / 15964
页数：16
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