柔佛矿区不同质量的矿渣吸附剂对矿渣水溶液中磷的去除

IF 1.6 Q3 WATER RESOURCES Water Practice and Technology Pub Date : 2023-11-10 DOI:10.2166/wpt.2023.196
Noorul Hudai Abdullah, Wazif Hilmi Ahmad Nizam, Muhammad Habil Izzuddin Norhisham, Nur Audrizety Husaimi, Norhayati Ngadiman, Nur Atikah Abdul Salim, Norzainariah Abu Hassan, Nur Husna Muslim
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引用次数: 0

摘要

矿山废弃物管理已成为世界各国矿业日益关注的全球性环境问题。由于采矿行业的矿石废料丰富,本研究旨在观察利用矿石废料从溶液中去除磷的可能性。虽然磷是植物生命所必需的元素之一,但水中磷含量过高已成为水体富营养化等环境问题之一。分析了不同初始溶液浓度下吸附剂用量对去除率的预测曲线。采用5 mg/L的磷酸二氢钾(KH2PO4)水溶液,在不同吸附剂质量(2、4、6、8、10 g)下进行批量实验,10 g吸附剂对磷的最高去除率为54.3%。数据验证了拟二阶模型(0.9976)的拟合效果。矿渣吸附剂与磷的吸附为化学吸附,等温线模型分析符合Freundlich模型,吸附表面存在多层吸附。矿石废料的除磷能力是成功的。这种方法是加强三级污水处理技术的替代方法之一。
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Phosphorus removal from ore waste in aqueous solution with different mass of ore waste adsorbent from the Johor mine site
Abstract Mine waste management is becoming a growing global environmental concern for mining industries all over the world. Due to the abundance of ore waste from mining industries, this study aimed to observe the possibility of using ore waste to remove phosphorus from a solution. Although phosphorus is one of the essential elements for plant life, excessive phosphorus in water becomes one of the environmental issues, e.g., eutrophication. This study analysed the prediction contour of removal efficiency with the mass of adsorbent needed under different initial concentrations of solution. The batch experiment used an aqueous solution of 5 mg/L using potassium dihydrogen phosphate (KH2PO4) at different masses of adsorbent (2, 4, 6, 8, and 10 g). The highest removal efficiency for phosphorus using 10 g of adsorbent is 54.3%. The data verified that the pseudo-second-order model (0.9976) fitted well. The adsorption between ore waste adsorbent and phosphorus was chemical sorption, whereas the analysis of isotherm models fitted the Freundlich model, with the occurrence of multilayer adsorption on the adsorption surface. The ability of ore waste to remove phosphorus was successful. This approach is one of the alternatives to enhance tertiary wastewater treatment technologies.
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来源期刊
CiteScore
2.30
自引率
6.20%
发文量
136
审稿时长
14 weeks
期刊最新文献
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