利用微波增强水热碳化法合成枣椰籽水炭及其在脱除染料中的应用。

IF 3.4 4区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES
Lahssen El Blidi, Mohanad El-Harbawi, Saeed Alhawtali, Maher Alrashed, Musaad Aleid
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引用次数: 0

摘要

这项研究报告了通过应用微波水热碳化(HTC)方法从椰枣(Phoenix dactylifera)种子中制备水碳的新发现。通过对温度和反应时间进行优化研究,确定了最高产率,最大产率达到 60.87%。然后将制备好的材料浸渍在磷酸中,在 550 °C 的管式炉中碳化 1.5 小时,氮气流量为 50 CCM。样品通过扫描电子显微镜(SEM)、Brunauer-Emmet-Teller(BET)和傅立叶变换红外(FTIR)进行表征。样品在活化后显示出显著的 BET 表面积,高达 992 m2-g-1。随后,该物质被用来吸附亚甲基蓝,与 Freundlich 和 Redlich-Peterson 等温线拟合良好,吸附容量峰值达到 196.6 ± 3.9 mg-g-1。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Synthesis of hydrochar from date palm seeds using microwave-enhanced hydrothermal carbonization and its application in dyes removal.

This work reports new findings on the preparation of hydrochar from date palm (Phoenix dactylifera) seeds through the application of the microwave hydrothermal carbonization (HTC) method. Optimization investigations involving temperatures and reaction times were conducted to establish the highest yield, achieving a maximum yield of 60.87%. The prepared material was then impregnated in phosphoric acid and carbonized in the tube furnace at 550 °C for 1.5 h with a nitrogen flow of 50 CCM. The samples were characterized via scanning electron microscopy (SEM), Brunauer-Emmet-Teller (BET) and Fourier transform infrared (FTIR). The samples showed remarkable BET surface areas following activation, reaching up to 992 m2·g-1. The substance was subsequently used to absorb methylene blue with good fitting to the Freundlich and Redlich-Peterson isotherm and achieved a peak adsorption capacity of 196.6 ± 3.9 mg·g-1.

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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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