Low-cost eggshell-fly ash adsorbent for phosphate recovery: A potential slow-release phosphate fertilizer

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期刊论文

作者：

Sun, Chengyou;Huang, Chao*;Wang, Ping*;Yin, Jinglin;Tian, Haoran;...

通讯作者：

Huang, Chao;Wang, Ping;Liu, Zhiming

作者机构：

[Liu, Zili; Hu, Xinjiang; Tian, Haoran; Xu, Haiyin; Sun, Chengyou; Zhu, Jian] College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China

[Huang, Chao] College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China. Electronic address: huangchao@csuft.edu.cn

[Wang, Ping] College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China. Electronic address: pingwang@csuft.edu.cn

[Yin, Jinglin] College of Science, Central South University of Forestry and Technology, Changsha 410004, China

[Liu, Zhiming] Department of Biology, Eastern New Mexico University, Portales, NM 88130, USA. Electronic address: zhiming.liu@enmu.edu

通讯机构：

[Liu, Zhiming] D

[Huang, Chao; Wang, Ping] C

College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China. Electronic address:

Department of Biology, Eastern New Mexico University, Portales, NM 88130, USA. Electronic address: zhiming.

语种：

英文

关键词：

Adsorbent;Eggshell;Fly ash;Phosphate recovery;Pore-forming agent

期刊：

Water Research

ISSN：

0043-1354

年：

2024

卷：

255

页码：

121483

DOI：

10.1016/j.watres.2024.121483

基金类别：

CRediT authorship contribution statement Chengyou Sun: Conceptualization, Data curation, Investigation, Methodology, Validation, Writing – original draft, Writing – review & editing. Chao Huang: Investigation, Methodology, Resources, Supervision, Writing – review & editing. Ping Wang: acquisition, Investigation, Methodology, Resources, Supervision. Jinglin Yin: Data curation, Investigation. Haoran Tian: Data curation, Investigation. Zili Liu: Data curation. Haiyin Xu: Investigation, Methodology. Jian Zhu: Methodology. Xinjiang

机构署名：

本校为第一且通讯机构

院系归属：

理学院

环境科学与工程学院

摘要：

Fly ash (FA) and eggshells (ES) are common solid wastes with significant potential for the recovery of phosphorus from water. This study focuses on synthesizing a low-cost and environmental-friendly phosphate adsorbent called eggshell-fly ash geopolymer composite (EFG) using eggshells instead of chemicals. The CaO obtained from the high-temperature pyrolysis of eggshells provides active sites for phosphate adsorption, and CO(2) serves as a pore-forming agent. The phosphate adsorption performance of EFG varied with the eggshell-fly ash ratios and achieved a maximum of 49.92 mg P/g at an eggshel...

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Low-cost eggshell-fly ash adsorbent for phosphate recovery: A potential slow-release phosphate fertilizer

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