Removal of Phenol from Water Different Types of Carbon – A Comparative Analysis

APCBEE Procedia Pub Date : 2014-01-01 DOI:10.1016/j.apcbee.2014.10.031

Muataz Ali Atieh

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引用次数: 29

Abstract

Toxic organic substances are considered among the pollutants that have direct effect on humans and animals. Industrial wastewaters containing dissolved phenol can contaminate groundwater resources and thus lead to a serious groundwater pollution problem. In the present research, the adsorption technique for the efficient removal of phenol pollutants at trace level in water was employed. Four type of micro and nanocarbon materials including carbon nanotubes (CNTs) and carbon nanofibers (CNFs) as nano carbon adsorbents, activated carbon (AC) and industrial carbon fly ash (CFA) as micro carbon adsorbents were used to remove phenol from water. Characterization of these adsorbents was performed by Field Emission Scanning Electron Microscopy (FE-SEM), Transmission Electron Microscopy(TEM), Thermogravimetric Analysis (TGA), BET specific surface area while the concentration of phenol in water before and after treatment was analyzed using UV-Spectroscopy. The pH (3-9) of the solution, was varied in order to determine their effect on the removal of phenol from water and hence on the adsorption rate.

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不同类型碳对水中苯酚去除的比较分析

有毒有机物质被认为是对人类和动物有直接影响的污染物之一。含溶解酚的工业废水会污染地下水资源，造成严重的地下水污染问题。本研究采用吸附技术对水中痕量酚类污染物进行了高效去除。采用碳纳米管(CNTs)和碳纳米纤维(CNFs)作为纳米碳吸附剂，活性炭(AC)和工业碳粉煤灰(CFA)作为微碳吸附剂对水中苯酚进行了去除。采用场发射扫描电镜(FE-SEM)、透射电镜(TEM)、热重分析(TGA)、BET比表面积等对吸附剂进行了表征，并采用紫外光谱法对处理前后水中苯酚的浓度进行了分析。改变溶液的pH值(3-9)，以确定它们对苯酚从水中去除的影响，从而影响吸附率。

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APCBEE Procedia

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