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Updated: Feb 7, 2026

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent
Published on: February 21, 2017
Preparation and application of modified zeolites as adsorbents in wastewater treatment
Jiahui Shi1, Zixuan Yang1, Hongliang Dai2
1School of Energy and Environment, Southeast University, No.2 Sipailou Road, Nanjing 210096, China E-mail: 101002241@seu.edu.cn; ERC Taihu Lake water Environment (Wuxi), No.99 Linghu Road, Wuxi 214135, China.
Abstract:
Natural zeolite has been recognized as a useful adsorbent for wastewater treatment for removing cations. Natural zeolite is a kind of porous material with large specific surface area but limited adsorption capacity. In recent years, emphasis has been given to prepare the surface modified zeolite using various procedures to enhance the potential of zeolite for pollutants. Modification treatment for zeolite can greatly change surface chemistry and pore structure. The article describes various modification methods of zeolite, and introduces the removal mechanisms of common pollutants such as ammonium, phosphorus and heavy metals. In addition, this review paper intends to present feasibility of applying modified zeolite to constructed wetlands which will be beneficial to achieve higher removal effect.
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