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首页> 外文期刊>International Journal of Natural and Engineering SciencesbElectronic resource >The Effect of Process Variables on Surface Areas of Ultrasound-Assisted Preparation of Activated Carbon From Alkaline Impregnated Hazelnut Shell
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The Effect of Process Variables on Surface Areas of Ultrasound-Assisted Preparation of Activated Carbon From Alkaline Impregnated Hazelnut Shell

机译：工艺变量对碱浸榛子壳超声辅助制备活性炭表面积的影响

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摘要

This study visualizes the effects of independent parameters on the preparation of activated carbon from hazelnut shell via ultrasound assistedKOH impregnation. The effect of operational parameters including particle size (0.78-1.85 mm), ultrasonic power density (2-190 W/L),impregnation ratio (0.015-0.06 g/mL), impregnation time (37-143 min), activation temperature (661-839 0C) and activation time (18-72 min)on the surface areas of prepared activated carbon were investigated. Based on the results, the activation temperature and activation time have apositive effect, while particle size and impregnation ratio have a negative effect on the surface areas of prepared activated carbon. The surfacearea was increased by increasing activation temperature and activation time, but decreasing particle size and impregnation ratio.
机译：这项研究可视化了独立参数对通过超声辅助KOH浸渍从榛子壳制备活性炭的影响。操作参数的影响包括粒径（0.78-1.85 mm），超声功率密度（2-190 W / L），浸渍比（0.015-0.06 g / mL），浸渍时间（37-143分钟），活化温度（研究了制备的活性炭表面积的661-839 0C和活化时间（18-72分钟）。根据结果​​，活化温度和活化时间具有正效应，而粒径和浸渍率对制备的活性炭的表面积具有负效应。通过增加活化温度和活化时间来增加表面积，但是减小粒径和浸渍率。

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