Effect of preparation conditions of activated carbon from bamboo waste for real textile wastewater

被引：154

作者：

Ahmad, A. A. ^{[1
]}

Hameed, B. H. ^{[1
]}

机构：

[1] Univ Sains Malaysia, Sch Chem Engn, Nibong Tebal 14300, Penang, Malaysia

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2010年 / 173卷 / 1-3期

关键词：

Bamboo waste; Activated carbon; Adsorption; Textile wastewater; RESPONSE-SURFACE METHODOLOGY; METHYLENE-BLUE; OPTIMIZATION; ADSORPTION; REMOVAL; DESIGN;

D O I：

10.1016/j.jhazmat.2009.08.111

中图分类号：

X [环境科学、安全科学];

学科分类号：

083001 [环境科学];

摘要：

This study deals with the use of activated carbon prepared from bamboo waste (BMAC), as an adsorbent for the removal of chemical oxygen demand (COD) and color of cotton textile mill wastewater. Bamboo waste was used to prepare activated carbon by chemical activation using phosphoric acid (H3PO4) as chemical agent. The effects of three preparation variables activation temperature, activation time and H3PO4:precursor (wt%) impregnation ratio on the color and COD removal were investigated. Based on the central composite design (CCD) and quadratic models were developed to correlate the preparation variables to the color and COD. From the analysis of variance (ANOVA), the most influential factor on each experimental design response was identified. The optimum condition was obtained by using temperature of 556 degrees C, activation time of 2.33 h and chemical impregnation ratio of 5.24, which resulted in 93.08% of color and 73.98% of COD. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：487 / 493

页数：7

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