|本期目录/Table of Contents|

[1]左志芳,诸昌武,杨瑞洪,等.废弃纳豆凝胶助凝条件的优化[J].江苏农业科学,2021,49(24):241-245.
 Zuo Zhifang,et al.Optimization of coagulation aid conditions for waste natto gel[J].Jiangsu Agricultural Sciences,2021,49(24):241-245.
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废弃纳豆凝胶助凝条件的优化(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第49卷
期数:
2021年第24期
页码:
241-245
栏目:
资源与环境
出版日期:
2021-12-20

文章信息/Info

Title:
Optimization of coagulation aid conditions for waste natto gel
作者:
左志芳12 诸昌武1 杨瑞洪1 左艳梅1 韩驭章1
1.扬州工业职业技术学院化学工程学院,江苏扬州 225127;2. 扬州大学化学化工学院,江苏扬州 225000
Author(s):
Zuo Zhifanget al
关键词:
纳豆凝胶助凝剂投加顺序桥连作用
Keywords:
-
分类号:
X703.5
DOI:
-
文献标志码:
A
摘要:
聚谷氨酸(γ-PGA)是一种优良的植物增产剂、保水剂,同时也可作为助凝剂应用在混凝工艺中。从过期废弃的纳豆中提取纳豆凝胶作绿色助凝剂,通过对纳豆凝胶的成分分析,可知纳豆凝胶中主要含有聚谷氨酸(γ-PGA)和果聚糖。该凝胶与聚合氯化铝(PAC)协同混凝,针对模拟废水,研究其助凝效果。混凝研究发现,当先投加纳豆凝胶再投加PAC,纳豆凝胶投加量为20 mg/L,PAC投加量为4.5 mg/L,pH值为7时,混凝效果最佳,浊度和UV254 nm去除率分别达到96.2%和88.00%。试验结果表明,在混凝过程中纳豆凝胶主要起桥连作用,结合PAC的吸附电中和作用取得理想的混凝效果。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2021-09-17
基金项目:国家自然科学基金面上项目(编号:51979077);江苏省高等职业院校教师专业带头人高端研修项目(编号:2021GRGDYX091);江苏省水环境保护技术与装备工程实验室开放课题(编号:W1908)。
作者简介:左志芳(1982—),女,江苏扬州人,硕士,讲师,主要从事水污染治理研究。E-mail:953528499@qq.com。
更新日期/Last Update: 2021-12-20