|本期目录/Table of Contents|

[1]马炳荣,洪子奇,易秉智,等.高比表面积羟基磷灰石的制备及其在磷酸铁废水除氟中的应用[J].浙江理工大学学报,2024,51-52(自科四):427-435.
　MA Bingrong,HONG Ziqi,YI Bingzhi,et al.Preparation of hydroxyapatite with high specific surface and its application in defluoridation of ferric phosphate wastewater[J].Journal of Zhejiang Sci-Tech University,2024,51-52(自科四):427-435.
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高比表面积羟基磷灰石的制备及其在磷酸铁废水除氟中的应用()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第51-52卷
期数:
2024年自科第四期
页码:
427-435
栏目:
出版日期:
2024-07-10

文章信息/Info

Title:
Preparation of hydroxyapatite with high specific surface and its application in defluoridation of ferric phosphate wastewater
文章编号:
1673-3851 (2024)04-0427-09
作者:
马炳荣; 洪子奇; 易秉智; 俞三传
浙江理工大学化学与化工学院，杭州 310018
Author(s):
MA Bingrong;  HONG Ziqi;  YI Bingzhi;  YU Sanchuan
School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech  University, Hangzhou 310018, China
关键词:
羟基磷灰石; 磷酸铁废水; 除氟; 吸附热力学; 吸附动力学
分类号:
X52
文献标志码:
A
摘要:
为提高羟基磷灰石（Hydroxyapatite, HAP）对氟离子的吸附效率，采用化学沉淀法，通过优化反应温度、Ca/P摩尔比、陈化时间等合成条件制备高比表面积HAP，通过FTIR、XRD、XPS、SEM和BET等对合成的HAP进行表征，并评价HAP对模拟废水中氟离子的吸附性能。结果表明：HAP的最优制备条件为反应温度20 ℃、Ca/P摩尔比1.6、陈化时间24 h，所制备的HAP比表面积达108.0 m2/g；HAP对氟离子的吸附为自发和吸热过程，符合Langmuir吸附模型，在303 K下氟离子的最大吸附容量为13.53 mg/g，吸附过程符合准二级反应动力学模型；在酸性条件下，HAP的除氟机理为离子交换。磷酸铁废水HAP吸附除氟实验表明，出水氟离子浓度可连续32 h低于1.0 mg/L，体现了较好的除氟效果。研究结果可为高效除氟吸附剂的制备以及磷酸铁废水深度除氟提供一定的指导。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期： 2023-12-25
网络出版日期：2024-03-13
基金项目： 浙江省重点研发计划项目（2023C03144）
作者简介： 马炳荣（1997—），男，广东汕头人，硕士研究生，主要从事废水处理与资源化技术方面研究
通信作者： 俞三传，E-mail：yuschn@163.com
更新日期/Last Update: 2024-08-01