OPTIMIZATION OF DYE ADSORPTION PROCESS FOR Albizia lebbeck PODS AS A BIOMASS USING CENTRAL COMPOSITE ROTATABLE DESIGN MODEL

被引：13
|
作者：
Hadi, Sabah Mahdi [1 ]
Al-Mashhadani, Mahmood K. H. [2 ]
Eisa, Mohammed Y. [3 ]
机构：
[1] Univ Baghdad, Dept Biol, Coll Sci, Baghdad, Iraq
[2] Univ Baghdad, Coll Engn, Dept Chem Engn, Baghdad, Iraq
[3] Univ Baghdad, AL Khwarizmi Coll Engn, Dept Biochem Engn, Baghdad, Iraq
来源：
CHEMICAL INDUSTRY & CHEMICAL ENGINEERING QUARTERLY | 2019年 / 25卷 / 01期
关键词：
Albizia; optimization; methyl red; adsorption; CYTOTOXICITY; MUTAGENICITY; RADIATION; REMOVAL;
D O I：
10.2298/CICEQ180210021H
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Albizia lebbeck biomass was used as an adsorbent material in the present study to remove methyl red dye from an aqueous solution. A central composite rotatable design model was used to predict the dye removal efficiency. The optimization was accomplished under a temperature and mixing control sys-tem (37 degrees C) with different particle size of 300 and 600 mu m. Highest adsorption efficiencies were obtained at lower dye concentrations and lower weight of adsorbent. The adsorption time, more than 48 h, was found to have a negative effect on the removal efficiency due to secondary metabolites compounds. However, the adsorption time was found to have a positive effect at high dye concentrations and high adsorbent weight. The colour removal efficiency was found to increase with the increase in methyl red concentration and decrease the adsorption time at constant adsorbent weight.
引用
收藏
页码：39 / 46
页数：8
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