Synthesis of zeolite P1 from fly ash under solvent-free conditions for ammonium removal from water
Article
Article Title | Synthesis of zeolite P1 from fly ash under solvent-free conditions for ammonium removal from water |
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ERA Journal ID | 3639 |
Article Category | Article |
Authors | Liu, Yi (Author), Yan, Chunjie (Author), Zhao, Junjie (Author), Zhang, Zuhua (Author), Wang, Hongquan (Author), Zhou, Sen (Author) and Wu, Linmei (Author) |
Journal Title | Journal of Cleaner Production |
Journal Citation | 202, pp. 11-22 |
Number of Pages | 12 |
Year | 2018 |
Publisher | Elsevier |
Place of Publication | Netherlands |
ISSN | 0959-6526 |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.jclepro.2018.08.128 |
Web Address (URL) | https://www.sciencedirect.com/science/article/pii/S0959652618324703#cebib0010 |
Abstract | In this work, zeolite P1 is synthesized from fluidized bed fly ash (FA) via a solvent-free process. The formation of zeolite P1 is investigated as a function of crystallization reaction time. The solid mixture of FA and Na2SiO3·9H2O with a mole ratio of Na:Al:Si = 1.5:1:1.7 can be converted to zeolite P1 at 80 °C for 24–96 h. XRF, XRD, SEM/EDS, FTIR, TG/DSC and BET techniques are used to test the properties of resultant zeolite products. The efficiencies of the resultant zeolite for ammonium adsorption are evaluated on factors including solution pH, NH4+ ions concentration, temperature and adsorption time. The kinetic data and adsorption equilibrium data fit satisfactory with the Ho's pseudo-second-order kinetic model and Langmuir model. The maximum ammonium adsorption capacity of zeolite P1 (22.9 mg/g) can be reached within 40 min at optimal pH of 6. The adsorption performance is higher than many of the natural zeolites and closely similar to the zeolites synthesized from fly ash through the conventional hydrothermal route. Our study not only provides new insights into the preparation of zeolite from fly ash, but also reveal that the zeolite P1 synthesized through solvent-free route is a promising material for ammonium removal. |
Keywords | Zeolite P1; fly ash; solid transformation; absorbent; ammonium removal |
ANZSRC Field of Research 2020 | 401602. Composite and hybrid materials |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | China University of Geosciences, China |
Centre for Future Materials | |
Institution of Origin | University of Southern Queensland |
Funding source | Australian Research Council (ARC) Grant ID DE170101070 |
Funding source | Grant ID DP160104149) |
https://research.usq.edu.au/item/q4z9x/synthesis-of-zeolite-p1-from-fly-ash-under-solvent-free-conditions-for-ammonium-removal-from-water
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