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[1]高丽,熊丽丽,朱超,等.硅溶胶-聚硅酸铝锌复合絮凝剂的制备及应用[J].南京工业大学学报(自然科学版),2018,40(02):65-70.[doi:10.3969/j.issn.1671-7627.2018.02.011]
 GAO Li,XIONG Lili,ZHU Chao,et al.Preparation and application of SS-PSAZS composite flocculant[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2018,40(02):65-70.[doi:10.3969/j.issn.1671-7627.2018.02.011]
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硅溶胶-聚硅酸铝锌复合絮凝剂的制备及应用
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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:
40
期数:
2018年02期
页码:
65-70
栏目:
出版日期:
2018-03-20

文章信息/Info

Title:
Preparation and application of SS-PSAZS composite flocculant
文章编号:
1671-7627(2018)02-0065-06
作者:
高丽熊丽丽朱超杨刚邢卫红
南京工业大学 材料化学工程国家重点实验室,江苏 南京 210009
Author(s):
GAO LiXIONG LiliZHU ChaoYANG GangXING Weihong
State Key Laboratory of Materials-Oriented Chemical Engineering,Nanjing Tech University,Nanjing 210009,China
关键词:
硅溶胶 聚硅酸铝锌 絮凝 造纸废水
Keywords:
silica sol PSAZS flocculation paper making wastewater
分类号:
TQ314;X703
DOI:
10.3969/j.issn.1671-7627.2018.02.011
文献标志码:
A
摘要:
以硅溶胶(SS)、硫酸锌、硫酸铝和硅酸钠为原料制备一种新型的硅溶胶-聚硅酸铝锌(SS-PSAZS)复合絮凝剂,结合单因素和正交实验优化其制备条件,采用场发射扫描电子显微镜(FESEM)和傅里叶红外光谱(FT-IR)表征其形态和结构。结果表明,SS-PSAZS的最优制备条件:硅溶胶的加入量为10 μL,复合体系的pH=1.7,加热温度为60 ℃,加热时间为0.5 h。在最优条件下,硅溶胶和PSAZS复合形成了新的无定形的链网状结构的复杂聚合物。当SS-PSAZS的投加量为4 mL(每200 mL造纸废水)时,处理造纸废水的效果最好,浊度、色度和化学需氧量(COD)的去除率分别为98.0%、89.7%和69.8%,且其絮凝性能优于PSAZS和聚合氯化铝(PAC)。
Abstract:
A novel silica sol(SS)contained polysilicate aluminum zinc sulfate(PSAZS)composite flocculant was synthesized by SS,zinc vitriol,aluminum sulfate,octadecahydrate and sodium metasilicate nonahydrate.The preparation conditions of SS-PSAZS were optimized by single factor experiments and orthogonal ones.The morphology and the structure of SS-PSAZS were investigated by field emission scanning electron microscope(FESEM)and Fourier transform infrared spectrometer(FT-IR).Results indicated that the optimum preparation conditions of SS-PSAZS were as follows:silica sol dosage of 10 μL,pH value of 1.7,temperature of 60 ℃ and heating time of 0.5 h.Under the optimal conditions,SS and PSAZS reformed a new complex compound with special amorphous chain network structure.The turbidity,chroma and chemical oxygen demand(COD)removal rates were 98.0%,89.7% and 69.8%,respectively,when the optimal dosage of SS-PSAZS was 4 mL(200 mL paper making wastewater),and SS-PSAZS exhibited a superior flocculation performance than that of PSAZS and polyaluminium chloride(PAC).

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备注/Memo

备注/Memo:
收稿日期:2017-05-17
基金项目:国家科技支撑计划(2013BAE11B03)
作者简介:高丽(1991—),女,湖北荆州人,硕士,主要研究方向为水处理; 杨刚(联系人),教授,E-mail:yanggang@njtech.edu.cn.
引用本文:高丽,熊丽丽,朱超,等.硅溶胶-聚硅酸铝锌复合絮凝剂的制备及应用[J].南京工业大学学报(自然科学版),2018,40(2):65-70..
更新日期/Last Update: 2018-03-30