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Article: Characterization of soluble microbial products as precursors of disinfection byproducts in drinking water supply
| Title | Characterization of soluble microbial products as precursors of disinfection byproducts in drinking water supply |
|---|---|
| Authors | |
| Keywords | DBP precursors Disinfection byproducts (DBPs) Soluble microbial products (SMPs) Wastewater discharge Water pollution |
| Issue Date | 2014 |
| Publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv |
| Citation | Science of the Total Environment, 2014, v. 472, p. 818-824 How to Cite? |
| Abstract | Water pollution by wastewater discharge can cause the problem of disinfection byproducts (DBPs) in drinking water supply. In this study, DBP formation characteristics of soluble microbial products (SMPs) as the main products of wastewater organic biodegradation were investigated. The results show that SMPs can act as DBP precursors in simulated wastewater biodegradation process. Under the experimental conditions, stabilized SMPs had DBPFP (DBP formation potential) yield of around 5.6 mumol mmol(-1)-DOC (dissolved organic carbon) and DBP speciation profile different from that of the conventional precursor, natural organic matter (NOM). SMPs contained polysaccharides, proteins, and humic-like substances, and the latter two groups can act as reactive DBP precursors. SMP fraction with molecular weight of <1 kDa accounted for 85% of the organic carbon and 65% of the DBP formation. As small SMP molecules are more difficult to remove by conventional water treatment processes, more efforts are needed to control wastewater-derived DBP problem in water resource management. |
| Persistent Identifier | http://hdl.handle.net/10722/202676 |
| ISSN | 2023 Impact Factor: 8.2 2023 SCImago Journal Rankings: 1.998 |
| ISI Accession Number ID |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Liu, JL | en_US |
| dc.contributor.author | Li, XY | en_US |
| dc.contributor.author | Xie, YF | en_US |
| dc.contributor.author | Tang, H | en_US |
| dc.date.accessioned | 2014-09-19T09:14:15Z | - |
| dc.date.available | 2014-09-19T09:14:15Z | - |
| dc.date.issued | 2014 | en_US |
| dc.identifier.citation | Science of the Total Environment, 2014, v. 472, p. 818-824 | en_US |
| dc.identifier.issn | 0048-9697 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/202676 | - |
| dc.description.abstract | Water pollution by wastewater discharge can cause the problem of disinfection byproducts (DBPs) in drinking water supply. In this study, DBP formation characteristics of soluble microbial products (SMPs) as the main products of wastewater organic biodegradation were investigated. The results show that SMPs can act as DBP precursors in simulated wastewater biodegradation process. Under the experimental conditions, stabilized SMPs had DBPFP (DBP formation potential) yield of around 5.6 mumol mmol(-1)-DOC (dissolved organic carbon) and DBP speciation profile different from that of the conventional precursor, natural organic matter (NOM). SMPs contained polysaccharides, proteins, and humic-like substances, and the latter two groups can act as reactive DBP precursors. SMP fraction with molecular weight of <1 kDa accounted for 85% of the organic carbon and 65% of the DBP formation. As small SMP molecules are more difficult to remove by conventional water treatment processes, more efforts are needed to control wastewater-derived DBP problem in water resource management. | - |
| dc.language | eng | en_US |
| dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv | - |
| dc.relation.ispartof | Science of the Total Environment | en_US |
| dc.rights | NOTICE: this is the author’s version of a work that was accepted for publication in Science of the Total Environment. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Science of the Total Environment, 2014, v. 472, p. 818-824. DOI: 10.1016/j.scitotenv.2013.11.139 | - |
| dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
| dc.subject | DBP precursors | - |
| dc.subject | Disinfection byproducts (DBPs) | - |
| dc.subject | Soluble microbial products (SMPs) | - |
| dc.subject | Wastewater discharge | - |
| dc.subject | Water pollution | - |
| dc.subject.mesh | Disinfectants - analysis | - |
| dc.subject.mesh | Drinking Water - chemistry - microbiology | - |
| dc.subject.mesh | Water Pollutants, Chemical - analysis | - |
| dc.subject.mesh | Water Purification - methods | - |
| dc.title | Characterization of soluble microbial products as precursors of disinfection byproducts in drinking water supply | en_US |
| dc.type | Article | en_US |
| dc.identifier.email | Li, XY: xlia@hkucc.hku.hk | en_US |
| dc.identifier.authority | Li, XY=rp00222 | en_US |
| dc.description.nature | postprint | - |
| dc.identifier.doi | 10.1016/j.scitotenv.2013.11.139 | - |
| dc.identifier.pmid | 24342087 | - |
| dc.identifier.scopus | eid_2-s2.0-84890328345 | - |
| dc.identifier.hkuros | 236398 | en_US |
| dc.identifier.volume | 472 | en_US |
| dc.identifier.spage | 818 | en_US |
| dc.identifier.epage | 824 | en_US |
| dc.identifier.isi | WOS:000331916100089 | - |
| dc.publisher.place | Netherlands | - |
| dc.identifier.issnl | 0048-9697 | - |