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Article: Enhancement of nitrogen and phosphorus removal in pilot-scale vertical subsurface flow-constructed wetlands using polypropylene pellets
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TitleEnhancement of nitrogen and phosphorus removal in pilot-scale vertical subsurface flow-constructed wetlands using polypropylene pellets
 
AuthorsTang, X2
Huang, S2
Ng, CO1
Li, J2
 
KeywordsNitrogen, phosphorus
Polypropylene pellets
Typha latifolia
Vertical subsurface flow-constructed wetland
 
Issue Date2009
 
PublisherMary Ann Liebert, Inc Publishers. The Journal's web site is located at http://www.liebertpub.com/ees
 
CitationEnvironmental Engineering Science, 2009, v. 26 n. 3, p. 621-631 [How to Cite?]
DOI: http://dx.doi.org/10.1089/ees.2007.0353
 
AbstractRemoval of nitrogen and phosphorus is known to be somewhat problematic in vertical subsurface flow (VSSF)-constructed wetlands. In this pilot-scale study, two planted (Typha latifolia L. [cattail]) VSSF-constructed wetlands A (with polypropylene pellets) and B (without polypropylene pellets) and one unplanted control C (without polypropylene pellets) were designed to test the contribution of polypropylene pellets to nitrogen and phosphorus removal in eutrophic river water in Tianjin, China. The ranking order of nutrient removal for above tested wetlands was A > B > C. In contrast to wetland B, polypropylene pellets in wetland A enhanced the ammonia-nitrogen, total nitrogen, soluble reactive phosphorus, and total phosphorus removal: 13.38%, 8.90%, 9.29%, and 8.25%, respectively. Analysis of the aboveground biomass and nutrient content of the stems and leaves of the T. latifolia indicated that the polypropylene pellets restrained the increase in biomass, but stimulated assimilation of nitrogen and phosphorus into stems and leaves. Additional total nitrogen and phosphorus removal of approximately 29.38 gN/m2 and 13.47 gP/m2 by aboveground T. latifolia biomass with polypropylene pellets, respectively, was observed. Outflow water quality of wetland with polypropylene pellets was generally better than without polypropylene pellets during the whole period of the test run. Polypropylene pellets improved nitrogen and phosphorus removal, especially in August, when it apparently stimulated wetland microbial activity. © Copyright 2009, Mary Ann Liebert, Inc.
 
ISSN1092-8758
2012 Impact Factor: 1.154
2012 SCImago Journal Rankings: 0.565
 
DOIhttp://dx.doi.org/10.1089/ees.2007.0353
 
ISI Accession Number IDWOS:000263889700017
Funding AgencyGrant Number
Natural Science Foundation of Tianjin05YFSZSF02100
Innovative Projects of Modern Water Conservancy of ChinaXDS2007-05
National Natural Science Foundation of China50479034
Funding Information:

This study was supported by the Natural Science Foundation of Tianjin (05YFSZSF02100), the Innovative Projects of Modern Water Conservancy of China (XDS2007-05) and the National Natural Science Foundation of China (No. 50479034) and. The authors appreciate the support of Ms. J. Wang, Mr. J. Niu, Ms. X. J. Li, and Mr. X. G. Liu. The many helpful suggestions provided by three anonymous reviewers are also thankfully acknowledged.

 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorTang, X
 
dc.contributor.authorHuang, S
 
dc.contributor.authorNg, CO
 
dc.contributor.authorLi, J
 
dc.date.accessioned2010-05-31T03:41:45Z
 
dc.date.available2010-05-31T03:41:45Z
 
dc.date.issued2009
 
dc.description.abstractRemoval of nitrogen and phosphorus is known to be somewhat problematic in vertical subsurface flow (VSSF)-constructed wetlands. In this pilot-scale study, two planted (Typha latifolia L. [cattail]) VSSF-constructed wetlands A (with polypropylene pellets) and B (without polypropylene pellets) and one unplanted control C (without polypropylene pellets) were designed to test the contribution of polypropylene pellets to nitrogen and phosphorus removal in eutrophic river water in Tianjin, China. The ranking order of nutrient removal for above tested wetlands was A > B > C. In contrast to wetland B, polypropylene pellets in wetland A enhanced the ammonia-nitrogen, total nitrogen, soluble reactive phosphorus, and total phosphorus removal: 13.38%, 8.90%, 9.29%, and 8.25%, respectively. Analysis of the aboveground biomass and nutrient content of the stems and leaves of the T. latifolia indicated that the polypropylene pellets restrained the increase in biomass, but stimulated assimilation of nitrogen and phosphorus into stems and leaves. Additional total nitrogen and phosphorus removal of approximately 29.38 gN/m2 and 13.47 gP/m2 by aboveground T. latifolia biomass with polypropylene pellets, respectively, was observed. Outflow water quality of wetland with polypropylene pellets was generally better than without polypropylene pellets during the whole period of the test run. Polypropylene pellets improved nitrogen and phosphorus removal, especially in August, when it apparently stimulated wetland microbial activity. © Copyright 2009, Mary Ann Liebert, Inc.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationEnvironmental Engineering Science, 2009, v. 26 n. 3, p. 621-631 [How to Cite?]
DOI: http://dx.doi.org/10.1089/ees.2007.0353
 
dc.identifier.doihttp://dx.doi.org/10.1089/ees.2007.0353
 
dc.identifier.epage631
 
dc.identifier.hkuros154683
 
dc.identifier.isiWOS:000263889700017
Funding AgencyGrant Number
Natural Science Foundation of Tianjin05YFSZSF02100
Innovative Projects of Modern Water Conservancy of ChinaXDS2007-05
National Natural Science Foundation of China50479034
Funding Information:

This study was supported by the Natural Science Foundation of Tianjin (05YFSZSF02100), the Innovative Projects of Modern Water Conservancy of China (XDS2007-05) and the National Natural Science Foundation of China (No. 50479034) and. The authors appreciate the support of Ms. J. Wang, Mr. J. Niu, Ms. X. J. Li, and Mr. X. G. Liu. The many helpful suggestions provided by three anonymous reviewers are also thankfully acknowledged.

 
dc.identifier.issn1092-8758
2012 Impact Factor: 1.154
2012 SCImago Journal Rankings: 0.565
 
dc.identifier.issue3
 
dc.identifier.openurl
 
dc.identifier.scopuseid_2-s2.0-61949217595
 
dc.identifier.spage621
 
dc.identifier.urihttp://hdl.handle.net/10722/59033
 
dc.identifier.volume26
 
dc.languageeng
 
dc.publisherMary Ann Liebert, Inc Publishers. The Journal's web site is located at http://www.liebertpub.com/ees
 
dc.publisher.placeUnited States
 
dc.relation.ispartofEnvironmental Engineering Science
 
dc.relation.referencesReferences in Scopus
 
dc.subjectNitrogen, phosphorus
 
dc.subjectPolypropylene pellets
 
dc.subjectTypha latifolia
 
dc.subjectVertical subsurface flow-constructed wetland
 
dc.titleEnhancement of nitrogen and phosphorus removal in pilot-scale vertical subsurface flow-constructed wetlands using polypropylene pellets
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong
  2. Nankai University