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[1]熊丽丽,高丽,秦冬玲,等.聚硅酸铝、聚硅酸铁和聚硅酸铝铁的制备及离子残留分析[J].南京工业大学学报(自然科学版),2017,39(04):150-156.[doi:10.3969/j.issn.1671-7627.2017.04.024]
 XIONG Lili,GAO Li,QIN Dongling,et al.Preparation of PSA,PSF and PSAF coagulants and ionic residue analysis[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2017,39(04):150-156.[doi:10.3969/j.issn.1671-7627.2017.04.024]
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聚硅酸铝、聚硅酸铁和聚硅酸铝铁的制备及离子残留分析()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
39
期数:
2017年04期
页码:
150-156
栏目:
出版日期:
2017-07-20

文章信息/Info

Title:
Preparation of PSA,PSF and PSAF coagulants and ionic residue analysis
文章编号:
1671-7627(2017)04-0150-07
作者:
熊丽丽高丽秦冬玲杨刚邢卫红
南京工业大学 化工学院 材料化学工程国家重点实验室,江苏 南京 210009
Author(s):
XIONG LiliGAO LiQIN DonglingYANG GangXING Weihong
State Key Laboratory of Materials-Oriented Chemical Engineering,College of Chemical Engineering,Nanjing Tech University,Nanjing 210009,China
关键词:
聚硅酸铝 聚硅酸铁 聚硅酸铝铁 离子残留
Keywords:
polysilicate aluminum polysilicate ferric polysilcate aluminum ferric ion residue
分类号:
X703.5
DOI:
10.3969/j.issn.1671-7627.2017.04.024
文献标志码:
A
摘要:
采用共聚法制备聚硅酸铝(PSA)、聚硅酸铁(PSF)、聚硅酸铝铁(PSAF)3种絮凝剂,考察制备条件和投加量对絮凝剂的絮凝性能及废水中离子残留的影响。采用傅里叶红外光谱仪(FT-IR)、X线衍射仪(XRD)、热分析仪分别对絮凝剂的结构及热稳定性进行表征。结果表明:PSAF的絮凝性能优于PSA、PSF及市售PSAF; 制备条件和投加适当时,离子不会残留,反之,出现离子残留; 3种絮凝剂中,PSA的Al3+残留最严重,PSF的Fe3+残留最严重。FT-IR和XRD结果表明:Al3+和Fe3+的水解产物与硅酸的羟基发生配位或吸附作用; 热分析结果表明:常温下,3种絮凝剂稳定性较好。
Abstract:
Polysilicate aluminum(PSA),polysilicate ferric(PSF),polysilicate aluminum ferric(PSAF)coagulants were prepared by copolymerization.The preparation conditions and dosage were investigated on the effect of flocculation performance and wastewater iron concentration.Flocculant structure and thermal stability were analyzed by Fourier transform infrared spectrometer(FT-IR),X-ray diffraction(XRD),thermogravimetric calorimeter.Results showed that PSAF had better flocculation performance than PSA,PSF,and a commercial PSAF.When the dosage was appropriate,there was no residual metal ions.On the contrary,there were residual metal ions.Among three kinds of flocculant,PSA had more residual aluminum ions,while PSF had more residual iron ions.FT-IR and XRD results showed that the hydrolysis of Al3+and Fe3+ polymer had complexation or adsorption with hydroxyl silicate.Thermogravimetric results showed that the stability of three coagulants was good at normal temperature.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-04-18
基金项目:国家科技支撑计划(2013BAE11B03)
作者简介:熊丽丽(1986—),女,安徽阜阳人,硕士,主要研究方向为水处理技术; 杨刚(联系人),教授,yanggang@njtech.edu.cn.
引用本文:熊丽丽,高丽,秦冬玲,等.聚硅酸铝、聚硅酸铁和聚硅酸铝铁的制备及离子残留分析[J].南京工业大学学报(自然科学版),2017,39(4):150-156..
更新日期/Last Update: 2017-07-31