Sustainable Methylene Blue dye removal with activated carbon from Prosopis juliflora stem.

IF 3.4 4区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES
Vasiraja N, Saravana Sathiya Prabhahar R, Joshua A, Senthil Maharaj Kennedy, Jeen Robert Rb
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Abstract

This study addresses the environmental challenge posed by the invasive Prosopis juliflora plant by converting its stem into activated carbon for the adsorption of Methylene Blue dye from water. The goal is to create an effective and sustainable wastewater treatment solution. Prosopis juliflora stems were harvested, cleaned, dried, carbonized, and activated with zinc chloride to create Prosopis Juliflora Stem Activated Carbon. This activated carbon was characterized using Brunauer-Emmett-Teller surface area analysis, Fourier transform infrared spectroscopy, and scanning electron microscope imaging. Results revealed a significant surface area of 158.107 m2/g and the presence of functional groups essential for adsorption processes. Batch adsorption experiments were conducted to determine the efficiency of activated carbon in removing Methylene Blue dye at various dosages and contact times. The highest adsorption efficiencies were 73.5% at 80 min, 90.1% at 60 min, and 90.65% at 50 min for dosages of 80, 100, and 120 mg, respectively. These findings show that Prosopis Juliflora Stem Activated Carbon is highly effective at removing Methylene Blue dye, providing a cost-effective and environmentally friendly method of wastewater treatment.

利用糙叶树茎中的活性碳实现可持续的亚甲基蓝染料去除。
这项研究通过将入侵的糙叶木茎秆转化为活性炭来吸附水中的亚甲蓝染料,从而应对入侵糙叶木植物带来的环境挑战。目的是创造一种有效且可持续的废水处理解决方案。对罂粟茎进行采收、清洗、干燥、碳化,并用氯化锌进行活化,制成罂粟茎活性炭。使用布鲁瑙尔-埃美特-泰勒表面积分析法、傅立叶变换红外光谱法和扫描电子显微镜成像法对这种活性炭进行了表征。结果表明,该活性炭的表面积高达 158.107 m2/g,并且存在吸附过程所必需的官能团。进行了批量吸附实验,以确定活性炭在不同剂量和接触时间下去除亚甲基蓝染料的效率。用量为 80、100 和 120 毫克时,最高吸附效率分别为 80 分钟 73.5%、60 分钟 90.1%和 50 分钟 90.65%。这些研究结果表明,菊花茎活性炭对去除亚甲基蓝染料非常有效,是一种具有成本效益且环保的废水处理方法。
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来源期刊
International Journal of Phytoremediation
International Journal of Phytoremediation 环境科学-环境科学
CiteScore
7.60
自引率
5.40%
发文量
145
审稿时长
3.4 months
期刊介绍: The International Journal of Phytoremediation (IJP) is the first journal devoted to the publication of laboratory and field research describing the use of plant systems to solve environmental problems by enabling the remediation of soil, water, and air quality and by restoring ecosystem services in managed landscapes. Traditional phytoremediation has largely focused on soil and groundwater clean-up of hazardous contaminants. Phytotechnology expands this umbrella to include many of the natural resource management challenges we face in cities, on farms, and other landscapes more integrated with daily public activities. Wetlands that treat wastewater, rain gardens that treat stormwater, poplar tree plantings that contain pollutants, urban tree canopies that treat air pollution, and specialized plants that treat decommissioned mine sites are just a few examples of phytotechnologies.
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