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Updated: Jul 27, 2025

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent
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Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent

Published on: February 21, 2017

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用于吸附金属的拆除废物:迈向循环经济的一步

Juan Vallini1, Victoria Willson1, Luis Fernández Luco2

  • 1Universidad de Buenos Aires, Facultad de Ingeniería, Instituto de Química Aplicada a la Ingeniería (IQAI), Laboratorio de Química de Sistemas Heterogéneos (LaQuíSiHe), Buenos Aires, Argentina.

Journal of environmental management
|June 10, 2023
PubMed
概括

建筑拆除废物有效地从工业废水中去除铜,和等重金属. 这种循环经济方法为废水处理和废物利用提供了可持续且具有成本效益的解决方案.

关键词:
吸附剂是一种吸附剂.拆除废弃物的再利用工业废水处理工业废水处理金属吸附吸附方式

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As the construction industry moves towards more eco-friendly practices, concrete's adaptability and its ability to incorporate sustainable features make it a key material in the drive towards greener building solutions.
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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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Since eddy currents occur only in conductors, magnets can separate metals from other materials. For example, in a recycling center, trash is dumped in batches down a ramp, beneath which lies a powerful magnet. Conductors in the trash are slowed by eddy currents, while nonmetals in the trash move on, separating from the metals. This works for all metals, not just ferromagnetic ones.
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