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DOI:	10.1371/journal.pone.0164744
论文题名:	Preparation of Activated Carbon From Polygonum orientale Linn. to Remove the Phenol in Aqueous Solutions
作者:	Jia Feng; Shengli Shi; Liangyu Pei; Junping Lv; Qi Liu; Shulian Xie
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2016
发表日期:	2016-10-14
卷:	11, 期:10
语种:	英语
英文关键词:	Phenols ; Adsorption ; Isotherms ; Chemical equilibrium ; Functional groups ; Aqueous solutions ; Vibration ; Fourier transform infrared spectroscopy
英文摘要:	Phenol components are major industry contaminants of aquatic environment. Among all practical methods for removing phenol substances from polluted water, activated carbon absorption is the most effective way. Here, we have produced low-cost activated carbon using Polygonum orientale Linn, a wide spreading species with large biomass. The phenol adsorption ability of this activated carbon was evaluated at different physico-chemical conditions. Average equilibrium time for adsorption was 120 min. The phenol adsorption ability of the P. orientale activated carbon was increased as the pH increases and reached to the max at pH 9.00. By contrast, the ionic strength had little effect on the phenol absorption. The optimum dose for phenol adsorption by the P. orientale activated carbon was 20.00 g/L. The dominant adsorption mechanism of the P. orientale activated carbon was chemisorption as its phenol adsorption kinetics matched with the pseudo-second-order kinetics. In addition, the equilibrium data were fit to the Langmuir model, with the negative standard free energy and the positive enthalpy, suggesting that adsorption was spontaneous and endothermic.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0164744&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/23472
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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journal.pone.0164744.PDF（3575KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

School of Life Science, Shanxi University, Taiyuan, China;School of Life Science, Shanxi University, Taiyuan, China;School of Life Science, Shanxi University, Taiyuan, China;School of Life Science, Shanxi University, Taiyuan, China;School of Life Science, Shanxi University, Taiyuan, China;School of Life Science, Shanxi University, Taiyuan, China

Recommended Citation:

Jia Feng,Shengli Shi,Liangyu Pei,et al. Preparation of Activated Carbon From Polygonum orientale Linn. to Remove the Phenol in Aqueous Solutions[J]. PLOS ONE,2016-01-01,11(10)

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