[1]张凤娥,相金钢,陈冬,等.改性复合钛基混凝剂制备及其除藻性能[J].常州大学学报(自然科学版),2022,34(01):25-32.[doi:10.3969/j.issn.2095-0411.2022.01.003]
　ZHANG Feng'e,XIANG Jingang,CHEN Dong,et al.Preparation of Modified Composite Titanium-Based Coagulant and Its Algae Removal Performance[J].Journal of Changzhou University(Natural Science Edition),2022,34(01):25-32.[doi:10.3969/j.issn.2095-0411.2022.01.003]
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改性复合钛基混凝剂制备及其除藻性能()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
第34卷
期数:
2022年01期
页码:
25-32
栏目:
环境科学与工程
出版日期:
2022-01-28

文章信息/Info

Title:
Preparation of Modified Composite Titanium-Based Coagulant and Its Algae Removal Performance
文章编号:
2095-0411(2022)01-0025-08
作者:
张凤娥; 相金钢; 陈冬; 熊秋秋
(常州大学环境与安全工程学院,江苏常州213164)
Author(s):
ZHANG Feng'e;  XIANG Jingang;  CHEN Dong;  XIONG Qiuqiu
(School of Environmental & Safety Engineering, Changzhou University, Changzhou 213164, China)
关键词:
复合混凝剂;  镧改性;  聚合硫酸铁钛;  响应面;  叶绿素a
Keywords:
composite flocculant;  lanthanum modification;  PTFS;  response surface;  chlorophyll a
分类号:
X 524
DOI:
10.3969/j.issn.2095-0411.2022.01.003
文献标志码:
A
摘要:
为了进一步增强无机高分子混凝剂的处理能力,引入稀土镧对混凝剂聚合硫酸铁钛进行改性处理,制备了镧改性聚合硫酸铁钛固体混凝剂(La-PTFS)。采用响应面实验优化混凝剂的制备条件,结果表明,在n(Fe)/n(Ti)=11.64,n(La)/n(Fe)=125.05,n(P)/n(Fe)=0.2时,制备所得La-PFTS对废水浊度去除率最高。在La-PTFS投加量为250 mg/L、快搅拌速率为200 r/min、慢搅拌速率为70 r/min时对某湖湖水的处理效果最好,浊度去除率达到94.8%,比市售聚合硫酸铁(PFS)提升了5%; 叶绿素a去除率达到99.8%,比市售PFS提高了19.8%。
Abstract:
In order to further enhance the processing capacity of the inorganic polymer coagulant, rare earth lanthanum was introduced to modify the coagulant polymerized iron titanium sulfate, and a lanthanum-modified polymerized iron titanium sulfate solid coagulant(La-PTFS)was prepared. The response surface experiment was used to optimize the preparation conditions of the coagulant, and it was shown that when n(Fe)/n(Ti)was 11.64, n(La)/n(Fe)was 125.05, and n(P)/n(Fe)was 0.2, the prepared La-PFTS could remove wastewater turbidity at the highest rate. When the dosage of La-PTFS was 250 mg/L, the stirring rate was 200 r/min, and the slow stirring rate was 70 r/min, the treatment effect on Lake water was the best, and the turbidity removal rate reached 94.8%, which was 5% higher than that of commercially available polyferric sulfate(PFS); the removal rate of chlorophyll a reached 99.8%, which was 19.8% higher than that of commercially available PFS.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2021-09-22。
基金项目: 2014龙城英才项目第六批领军人才优先支持资助项目(2014150)。
作者简介: 张凤娥(1964—), 女, 河北石家庄人, 硕士, 教授。E-mail: zfelzh@cczu.edu.cn
更新日期/Last Update: 1900-01-01