Characterization and removal of natural organic matter from slow sand filter effluent followed by alum coagulation

被引：14

作者：

Hidayah, Euis Nurul ^{[1
]}

Chou, Yung-Chen ^{[2
]}

Yeh, Hsuan-Hsien ^{[2
]}

机构：

[1] Univ Pembangunan Natl Veteran Jawa Timur, Dept Environm Engn, Surabaya, Indonesia

[2] Natl Cheng Kung Univ, Dept Environm Engn, Tainan 70101, Taiwan

来源：

APPLIED WATER SCIENCE | 2018年 / 8卷 / 01期

关键词：

Coagulation; HPSEC; Peak-fitting; SIZE-EXCLUSION CHROMATOGRAPHY; DISINFECTION BY-PRODUCTS; WASTE-WATER; PRECURSORS; HPSEC; TRIHALOMETHANES; EEMS; OCD; NOM;

D O I：

10.1007/s13201-018-0671-4

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

Characterization and removal of natural organic matter, which is contained in the effluent of slow sand filters, was observed by alum coagulation under various dosages. In addition to non-purgedable dissolved organic carbon (NPDOC), trihalomethanes formation potential (THMFP) and haloacetic acid formation potential (HAAFP) measurement, high-performance size-exclusion chromatography (HPSEC) with ultraviolet/visible and dissolved organic carbon (DOC) detectors was used to characterize the various organic fractions contained in the water before and after coagulation. The results show that alum coagulation could effectively remove hydrophobic aromatic, which forms mainly humic substances. The reduction in THMFP was found to be higher than that of NPDOC and HAAFP under specific alum dosage, and the former was also found to be proportional to the corresponding reduction in the area of hydrophobic aromatic fraction, mostly humic subtances, as obtained from HPSEC chromatogram with peak-fitting.

引用

页数：7

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