Valorization of bamboo charcoal as a low-cost adsorbent for waste water treatment: A mini review

Illora Narzary , Rinki Kumari Mahato , Sushil Kumar Middha , Talambedu Usha , Arvind Kumar Goyal
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引用次数: 0

Abstract

The World Health Organization has reported that over one million individuals drink contaminated water, resulting in over 30,000 deaths daily. Every year, over 7×107 tons of synthetic dyes are produced globally, with the textile industry utilizing over 104 tons of such materials. To protect freshwater from pollutants, wastewater treatment methods such as permeable reactive barrier disinfection use activated carbon. Bamboo charcoal is an emerging substance with great potential in this area. Bamboos represent a renewable biological resource for long-term development. This paper reviews the dye removal processes that can be utilized to avoid water pollution, using bamboo charcoal as a natural adsorbent. A literature search using used various keywords from several bibliographic databases yielded seven studies that supported the adsorptive properties of bamboo charcoal. These investigations used FTIR, EDS, SEM and XRD to demonstrate the porous nature of bamboo charcoal, activated bamboo charcoal and/or modified bamboo charcoal, as well as showing the effects of pH and temperature on dye removal. The best-fitting kinetic model and isotherm data were identified. Bamboo charcoal was an effective adsorbent, while modified or activated bamboo charcoal rapidly increased absorptive capacity, indicating the future potential of bamboo charcoal in the cleaning up of water pollutants and contributing to a clean environment.

将竹炭作为一种低成本吸附剂用于废水处理:微型综述
据世界卫生组织报告,每天有 100 多万人饮用受污染的水,导致 3 万多人死亡。全球每年生产的合成染料超过 7×107 吨,其中纺织业使用的合成染料超过 104 吨。为了保护淡水不受污染物的污染,渗透性反应屏障消毒等废水处理方法使用了活性炭。竹炭是这一领域极具潜力的新兴物质。竹子是一种可以长期开发的可再生生物资源。本文综述了可利用竹炭作为天然吸附剂来避免水污染的染料去除工艺。通过使用多个文献数据库中的各种关键词进行文献检索,得出了七项支持竹炭吸附特性的研究。这些研究利用傅立叶变换红外光谱(FTIR)、电致发光(EDS)、扫描电镜(SEM)和 X 射线衍射(XRD)来证明竹炭、活性竹炭和/或改性竹炭的多孔性,并显示了 pH 值和温度对染料去除的影响。确定了最佳拟合动力学模型和等温线数据。竹炭是一种有效的吸附剂,而改性竹炭或活性竹炭可迅速提高吸附能力,这表明竹炭在净化水污染物和促进清洁环境方面具有巨大潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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