RCEES OpenIR  > 环境水质学国家重点实验室
Influence of allochthonous organic matters on algae removal: Organic removal and floc characteristics
Xiao, Feng; Xiao, Ping; Wang, Dongsheng
2019-12-20
Source PublicationCOLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
ISSN0927-7757
Volume583Pages:-
AbstractAlgae are ubiquitous in surface water and affect the quality of surface water resources significantly by producing toxins as well as taste and odor compounds which adversely affect aquatic ecosystems and human health. This study was conducted to evaluate the effectiveness of three aluminum coagulants on algae removal by coagulation. Laboratory tests demonstrated that the maximum algae removal rates was 98.3% and 96.7% respectively by using PACl and Al-13 as coagulants, while the maximum algae removal rate was 88.3% by using Al-2(SO4)(3) as coagulant at 0.1 mmol/L. According to the results, it also can be noticed that PACl and Al-13 had a wide working pH range. In addition, the influence of allochthonous organic matters on algae removal during coagulation was also discussed. The removal rate was increased with a low bovine serum albumin (BSA) concentration owing to improving the adsorption-bridging. A poor coagulation performance was observed with the increasing of BSA dosage since the excess BSA molecules may prevent molecules from approaching and seize the active sites, causing coagulation inhibited. The addition of humic acid (HA) and sodium alginate (NaAlg) had adverse effects on the removal of turbidity and algae, attributed to the preferentially reaction between negative functional groups in HA/NaAlg and coagulant. Thick flocs were formed with the increasing of allochthonous organic matters as the calculation results of fractal dimension (D-f). According to high pressure size exclusion chromatography (HPSEC) and three-dimensional fluorescence excitation-emission matrix spectrometry (3D-EEMs), allochthonous organic matter with high molecular weight (MW) can be completely removed, while the organics with low MW regardless of its origin were difficult to remove.
Department环境水质学国家重点实验室
KeywordAlgae Allochthonous organic matter Coagulation Removal Molecular weight
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/42656
Collection环境水质学国家重点实验室
Affiliation1.North China Elect Power Univ, Sch Renewable Energy, 2 Beinong Rd, Beijing 102206, Peoples R China
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Aquat Chem, 18 Shuangqing Rd, Beijing 100085, Peoples R China
3.Yangtze Normal Univ, Green Intelligence Environm Sch, Chongqing 408100, Peoples R China
Recommended Citation
GB/T 7714
Xiao, Feng,Xiao, Ping,Wang, Dongsheng. Influence of allochthonous organic matters on algae removal: Organic removal and floc characteristics[J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,2019,583:-.
APA Xiao, Feng,Xiao, Ping,&Wang, Dongsheng.(2019).Influence of allochthonous organic matters on algae removal: Organic removal and floc characteristics.COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,583,-.
MLA Xiao, Feng,et al."Influence of allochthonous organic matters on algae removal: Organic removal and floc characteristics".COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 583(2019):-.
Files in This Item: Download All
File Name/Size DocType Version Access License
Influence of allocht(3877KB)期刊论文出版稿开放获取CC BY-NC-SAView Download
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Xiao, Feng]'s Articles
[Xiao, Ping]'s Articles
[Wang, Dongsheng]'s Articles
Baidu academic
Similar articles in Baidu academic
[Xiao, Feng]'s Articles
[Xiao, Ping]'s Articles
[Wang, Dongsheng]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Xiao, Feng]'s Articles
[Xiao, Ping]'s Articles
[Wang, Dongsheng]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: Influence of allochthonous organic matters on algae removal Organic removal and floc characteristics.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.