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Preparation of activated carbon from Enteromorpha prolifera and its use on cationic red X-GRL removal

机译：Enter粉菌的活性炭制备及其在阳离子红X-GRL去除中的应用

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摘要

Enteromorpha prolifera was pyrolyzed to prepare activated carbon using chemical activation by zinc chloride. The effect of activation parameters such as activation temperature, weight ratio (Enteromorpha prolifera to ZnCb), and activation time was investigated. The BET results showed that the surface area and pore volume of activated carbons were achieved as high as 1722m2/gand 1.11 cm3/g, respectively, in the optimal activation conditions. Batch adsorption studies were carried out to study the adsorption properties of cationic red X-GRL onto activated carbon by varying the parameters like initial solution pH, contact time, and temperature. The kinetic studies showed that the adsorption data followed a pseudo second-order model. The isotherm analysis indicated that the adsorption data could be represented by the Langmuir isotherm model. The Langmuir monolayer adsorption capacity of cationic red X-GRL was estimated as 263.16 mg/g at pH 6.0.
机译：通过氯化锌的化学活化作用，热解肠型morph，以制备活性炭。研究了活化参数如活化温度，重量比（Enteromorpha prolifera与ZnCb）和活化时间的影响。 BET结果表明，在最佳活化条件下，活性炭的表面积和孔体积分别达到了1722m2 / g和1.11cm3 / g。通过改变初始溶液的pH，接触时间和温度等参数，进行了批量吸附研究，以研究阳离子红X-GRL在活性炭上的吸附性能。动力学研究表明，吸附数据遵循伪二级模型。等温线分析表明，吸附数据可以用Langmuir等温线模型表示。在pH 6.0时，阳离子红X-GRL的Langmuir单层吸附能力估计为263.16 mg / g。

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  • 来源
    《Applied Surface Science》 |2011年第24期|p.10621-10627|共7页
  • 作者

    Yanhui Li; Qiuju Du; Tonghao Liu; Yan Qi; Pan Zhang; Zonghua Wang; Yanzhi Xia;

  • 作者单位

    Laboratory of Fiber Materials and Modem Textile, the Crowing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, China,College of Electromechanical Engineering, Qingdao University, 308 Ningxia Road, Qingdao 266071, China;

    Laboratory of Fiber Materials and Modem Textile, the Crowing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, China;

    Laboratory of Fiber Materials and Modem Textile, the Crowing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, China;

    College of Electromechanical Engineering, Qingdao University, 308 Ningxia Road, Qingdao 266071, China;

    Laboratory of Fiber Materials and Modem Textile, the Crowing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, China;

    Laboratory of Fiber Materials and Modem Textile, the Crowing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, China;

    Laboratory of Fiber Materials and Modem Textile, the Crowing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao 266071, China;

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  • 正文语种 eng
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  • 关键词

    activated carbon cationic red x-grl adsorption isotherm kinetic thermodynamics;

    机译：活性炭阳离子红x-grl吸附等温动力学热力学;

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