Cited by 134Adsorption and biosorption for pollutant removalZeolite Catalysis and SynthesisConstructed Wetlands for Wastewater Treatment

Preparation and application of modified zeolites as adsorbents in wastewater treatment

Shi, Jiahui, Yang, Zixuan, Dai, Hongliang, Lu, Xiwu, Peng, Lihong, Tan, Xiangyi, Shi, Lijun, Fahim, Raana·2018·Water Science and Technology

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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Crossref · 10.2166/wst.2018.249

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104 of 104 references verified0 citation errors · 0 not checkable

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  • Salt treatments can remove water or inorganic impurities by exchanging metal ions within the structure.

    “The treatments with salts can remove water or inorganic impurities by exchanging metal ions within the structure.”

    From Adsorption of heavy metals on natural zeolites: A review (2023) · cites this paper as Shi et al., 2018

  • Acid treatment increases the Si/Al ratio because of the dealumination process.

    “Moreover, it increases the Si/Al ratio because of the dealumination process (Shi et al., 2018;Wang and Peng, 2010).”

    From Adsorption of heavy metals on natural zeolites: A review (2023) · cites this paper as Shi et al., 2018

  • Treatments with bases can dissolve Si in zeolite and decrease the Si/Al ratio against acid treatment.

    “Treatments with bases can dissolve the Si in zeolite and decrease the Si/Al ratio against acid treatment.”

    From Adsorption of heavy metals on natural zeolites: A review (2023) · cites this paper as Shi et al., 2018

  • Higher pH in base treatment can eliminate the crystal structure of zeolite.

    “In addition, the higher pH in the treatment with base can eliminate the crystal structure of zeolite (Jovanovic et al., 2012;Shi et al., 2018).”

    From Adsorption of heavy metals on natural zeolites: A review (2023) · cites this paper as Shi et al., 2018

  • The main disadvantage of salt treatment is the high cost of salt reagents.

    “Thus, the main disadvantage of salt treatment is the high cost of salt reagents (Liu et al., 2017;Shi et al., 2018).”

    From Adsorption of heavy metals on natural zeolites: A review (2023) · cites this paper as Shi et al., 2018

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Authors
Shi, J., Yang, Z., Dai, H., Lu, X., Peng, L., Tan, X., Shi, L., & Fahim, R.
Affiliations
  • Southeast University (CN)
  • Jiangsu University of Science and Technology (CN)
  • School of Energy and Environment, Southeast University, No.2 Sipailou Road, Nanjing 210096, China
Venue
Water Science and Technology
Published
2018-06-01
Volume
2017
Issue
3
Pages
621-635
ISSN
  • 0273-1223 (ISSN-L)
  • 1996-9732
OpenAlex
W2806420184
Cited by
132
References
104
Citations by year
2026: 13 · 2025: 18 · 2024: 27 · 2023: 26 · 2022: 23 · 2021: 16 · 2020: 5 · 2019: 3 · 2018: 1
FWCI
0.39
Type
journal article
Language
en
Open access
closed
Locations
  • Water Science & Technology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Chemistry › Inorganic Chemistry › Zeolite Catalysis and Synthesis
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Constructed Wetlands for Wastewater Treatment
Keywords
modified zeolite, natural zeolite, adsorbents, wastewater treatment, surface modification, cation removal, ammonium removal, phosphorus removal, heavy metal removal, adsorption mechanism, constructed wetlands
MeSH terms
Phosphorus, Water Pollutants, Chemical, Zeolites, Water Purification, Wetlands, Wastewater

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