Synthesis of 13X Zeolite by Fly Ash Acid Residue and Its Adsorption Performance on Lead Ions

LI Chao; WANG Liping; GUO Zhaohua; WANG Yongwang; CHEN Dong

doi:10.13779/j.cnki.issn1001-0076.2018.03.031

2018 Vol. 38, No. 6

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Article navigation > Conservation and Utilization of Mineral Resources > 2018 > (6): 98-102

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LI Chao, WANG Liping, GUO Zhaohua, WANG Yongwang, CHEN Dong. Synthesis of 13X Zeolite by Fly Ash Acid Residue and Its Adsorption Performance on Lead Ions[J]. Conservation and Utilization of Mineral Resources, 2018, (6): 98-102. doi: 10.13779/j.cnki.issn1001-0076.2018.03.031

Citation:

LI Chao, WANG Liping, GUO Zhaohua, WANG Yongwang, CHEN Dong. Synthesis of 13X Zeolite by Fly Ash Acid Residue and Its Adsorption Performance on Lead Ions[J]. Conservation and Utilization of Mineral Resources, 2018, (6): 98-102. doi: 10.13779/j.cnki.issn1001-0076.2018.03.031

Synthesis of 13X Zeolite by Fly Ash Acid Residue and Its Adsorption Performance on Lead Ions

Shenhua Zhunneng Resources Comprehensive Development Company Limited, Erdos 010300, China

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Corresponding author: WANG Liping

Received Date: 25 February 2018

Publish Date: 25 December 2018

Abstract

Abstract

The tail residue obtained by one-step acid leaching of circulating fluidized bed fly ash extracting alumina, was used to synthesize 13X zeolite by alkali dissolution-hydrothermal method. The results showed that the factors such as inducer amount, aging temperature and aluminum sources had significantly effects on the synthesis of zeolite. In addition, the samples were characterized by XRD, Laster-particle size analyser and TG-DSC test, and the adsorption effect on Pb²⁺ was investigated in detail. The synthesized 13X zeolite has uniform particle size about 2.8 μm and possesses a high thermal stability. The adsorption experiments also showed that the saturated adsorption capacity of Pb²⁺ was 35.82 mg/g, inferring that the new method has a preferable market prospects.
- fly ash /
- residue /
- hydrothermal /
- 13X zeolite /
- adsorption /
- lead

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