期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 173, 期 1-3, 页码 487-493出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2009.08.111
关键词
Bamboo waste; Activated carbon; Adsorption; Textile wastewater
资金
- Universiti Sains Malaysia [1001/PJKIMIA/814005]
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.
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