活化菖蒲基吸附剂提高对水溶液中砷和铜的去除效果

IF 1.6 4区生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Chemical and Biochemical Engineering Quarterly Pub Date : 2021-10-20 DOI:10.15255/cabeq.2021.1943

Anita E. Chand, P. Chand, Gopal Gautam Khatri, Dasu Ram Paudel

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引用次数: 3

摘要

由于水资源中的重金属污染，水安全已成为现代城市化社会的一个严重问题。植物具有良好的纤维素、半纤维素、果胶、木质素等来源，是最有前途的去除水中重金属的吸附剂。在这项工作中，首次使用一种名为菖蒲（AC；旗根或甜旗）的低成本本地植物和柠檬酸改性的AC根粉（CAMAC）作为潜在的吸附剂。用SEM、FT-IR、XRD对样品进行了表征，并通过溶液pH、间歇动力学研究、间歇等温线、吸附剂用量的影响、初始浓度的影响和接触时间的影响等不同参数研究了样品的吸附性能。ACRP对水溶液中铜（II）和砷（III）的去除效率的结果显示出优异的吸附行为（~80%的吸附效率）。这项研究为去除水中污染严重的金属离子开辟了一种简单、经济的方法。

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Enhanced Removal Efficiency of Arsenic and Copper from Aqueous Solution Using Activated Acorus calamus Based Adsorbent

Water security, due to heavy metal pollution in water resources, has become a serious problem in modern urbanized society. Plants with a good source of cellulose, hemicellulose, pectin, lignin, etc., are the most promising adsorbents for the removal of heavy metals from water. In this work, for the first time, a low-cost local plant named Acorus calamus (AC; flag root or sweet flag) and citric acid modified AC root powder (CAMAC) were used as potential adsorbents. The samples were characterized by SEM, FT-IR, XRD, and the sorption properties were investigated by different parameters, such as solution pH, batch kinetic study, batch isotherm, effect of adsorbent dose, effect of initial concentration, and effect of contact time. The results of ACRP on removal efficiency of copper (II) and arsenic (III) in an aqueous solution showed an excellent adsorption behavior (~ 80 % adsorption efficiency). This study opens up an easy and economical method for the decontamination of harsh polluting metal ions from water.

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来源期刊

Chemical and Biochemical Engineering Quarterly 工程技术-工程：化工

CiteScore

2.70

自引率

6.70%

发文量

审稿时长

>12 weeks

期刊介绍： The journal provides an international forum for presentation of original papers, reviews and discussions on the latest developments in chemical and biochemical engineering. The scope of the journal is wide and no limitation except relevance to chemical and biochemical engineering is required. The criteria for the acceptance of papers are originality, quality of work and clarity of style. All papers are subject to reviewing by at least two international experts (blind peer review). The language of the journal is English. Final versions of the manuscripts are subject to metric (SI units and IUPAC recommendations) and English language reviewing. Editor and Editorial board make the final decision about acceptance of a manuscript. Page charges are excluded.