Recovery, modifications, physicochemical properties, and MB removal efficiency of marble waste powder

IF 5.8 3区 环境科学与生态学 0 ENVIRONMENTAL SCIENCES
Najm Us Saqib, Jamshid Abbas, Imran Ullah, Muhammad Abdul Haleem, Asma Aamir, Falak Zaman, Irfan Ullah
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引用次数: 0
大理石废粉的回收、改性、理化性质及去除率。
世界范围内产生了大量的大理石废料,造成了严重的环境问题。大理岩由有价值的无机氧化物和碳酸盐构成。遗憾的是,大理石废料的回收只局限于机械用途。然而,基于元素组成的化学用途仍未得到广泛研究。对大理石工业副产品大理石废粉的一步法回收进行了研究。该研究涉及使用高温处理(即110-1000°C)对废粉进行改性。利用FT-IR、XRD、TGA、DTA、SEM、EDX和PL等技术对废粉样品进行了表征。理化表征证实,废粉样品中存在Ca、Al、Mg、Si、Fe、C、O和I等多种有价元素,并与氧化物和碳酸盐化合物相结合。EDX元素组成结果表明,钙以碳酸钙和白云石的形式存在于废粉中。同样,FTIR结果表明,高温处理使CaCO3转化为CaO。对改性后的废粉样品进行了模型染料亚甲基蓝(MB)的去除率测试,结果表明,高温煅烧样品(1000℃)的去除率高达93%。本研究说明了大理石废粉的潜在意义,不仅有利于重要元素的回收,而且可以用于各种实际应用。
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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来源期刊
CiteScore
8.70
自引率
17.20%
发文量
6549
审稿时长
3.8 months
期刊介绍: Environmental Science and Pollution Research (ESPR) serves the international community in all areas of Environmental Science and related subjects with emphasis on chemical compounds. This includes: - Terrestrial Biology and Ecology - Aquatic Biology and Ecology - Atmospheric Chemistry - Environmental Microbiology/Biobased Energy Sources - Phytoremediation and Ecosystem Restoration - Environmental Analyses and Monitoring - Assessment of Risks and Interactions of Pollutants in the Environment - Conservation Biology and Sustainable Agriculture - Impact of Chemicals/Pollutants on Human and Animal Health It reports from a broad interdisciplinary outlook.
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