甘蔗渣合成亚甲基蓝吸附剂的研究

N. Nurhasni, Sariana Harahap, A. Fathoni, H. Hendrawati
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引用次数: 1

摘要

研究了甘蔗渣吸附剂在不使用0.5M H2SO4溶液活化的情况下吸附亚甲基蓝的能力。亚甲基蓝在纺织工业中被广泛使用,因为它能产生明亮的颜色,而且染色过程快速简单。本研究旨在确定最佳吸附条件,即接触时间、染料浓度、吸附剂质量和pH对亚甲基蓝的影响的变化,采用分批法进行。此外,通过FT-IR和SEM对吸附剂进行了表征。蔗渣吸附剂吸附亚甲基蓝染料的最佳状态为质量为0.5克,接触时间为30分钟,浓度为50ppm,pH为5。H2SO4活化后的吸附剂性能优于未活化的吸附剂。分批法对亚甲基蓝染料的最高吸附效率为99.67%。蔗渣吸附剂的FTIR光谱显示OH、C-H、C=O、C=C和C-O官能团。亚甲基蓝染料的吸附等温线模型遵循Langmuir等温线,因为所获得的图与相关系数(R2)=1线性,其中吸附剂具有均匀的表面。
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Synthesis of Adsorbent from Bagasse for Methylene Blue Adsorption
The ability of bagasse adsorbents to adsorb methylene blue without activation using 0.5 M H2SO4 solution was examined. Methylene blue is widely used in the textile industry because it produces bright colors, and the dyeing process is fast and easy. This research aims to determine the optimum adsorption conditions, namely the variations in contact time, dye concentration, adsorbent mass, and pH effect on methylene blue, which were carried out using the batch method. Furthermore, the adsorbents were characterized by FT-IR and SEM. The optimum state of the bagasse adsorbent to adsorb methylene blue dye has a mass of 0.5 grams, a contact time of 30 minutes, a concentration of 50 ppm, and a pH of 5. The character of the adsorbent after activation with H2SO4 was better than without activation. The highest adsorption efficiency of methylene blue dye in the batch method was 99.67%. The FTIR spectrum of the bagasse adsorbent showed OH, C-H, C=O, C=C, and C-O functional groups. The adsorption isotherm model for methylene blue dye follows the Langmuir isotherm since the graph obtained is linear with the correlation coefficient (R2) = 1, where the adsorbent has a homogeneous surface.
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来源期刊
CiteScore
0.80
自引率
0.00%
发文量
15
审稿时长
24 weeks
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