title: Phosphorus removal from domestic wastewater by Nelumbo nucifera Gaertn. and Cyperus alternifolius L.
abstract: Domestic wastewater is a source of phosphorus contamination that causes eutrophication when it contaminates aquatic environments. Nelumbo nucifera Gaertn. and Cyperus alternifolius L. were applied for phosphorus removal from domestic wastewater. From the study, phosphorus in domestic wastewater was removed from the initial concentration of 1.038 ± 0.001 mgL(-1) to 0.094 ± 0.001 and 0.048 ± 0.004 mgL(-1) by N. nucifera and C. alternifolius, respectively, within 5 days. In addition, total Kjeldahl nitrogen (TKN) and chemical oxygen demand (COD) also decreased when wetland systems were applied the same as treatment with conventional method (chemical + activated sludge process). However, the plant removed TDS better than the conventional method. During 5 cycles of exposure, the two plants still survived and were healthy. The weight of plants increased after the experiment from 4060 ± 0.05 g to 4820 ± 0.17 g of N. nucifera, and from 4000 ± 0.00 g to 4600 ± 0.14 g of C. alternifolius. Phosphorus content also increased in both plants after the experiment. However, in the wetland system, phosphorus was removed mainly by the soil, followed by the plants, and then microorganisms. The domain group in the microbial community of both wetland systems was Pseudomas sp.
authors.affiliation: School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok 10150, Thailand.
authors.forename: S
authors.initials: S
authors.lastname: Thongtha
authors.affiliation: Department of Plant Production Technology, Faculty of Agricultural Technology, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand.
authors.forename: P
authors.initials: P
authors.lastname: Teamkao
authors.affiliation: Excellent Center of Waste Utilization and Management, King Mongkut's University of Technology Thonburi, Bangkok 10150, Thailand.
authors.forename: N
authors.initials: N
authors.lastname: Boonapatcharoen
authors.affiliation: School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok 10150, Thailand.
authors.forename: S
authors.initials: S
authors.lastname: Tripetchkul
authors.affiliation: Biochemical Chemical Engineering and Pilot Plant Research Development Unit (BEC), Pilot Plant Development and Training Institute, King Mongkut's University of Technology Thonburi, Bangkok 10150, Thailand.
authors.forename: S
authors.initials: S
authors.lastname: Techkarnjararuk
authors.affiliation: School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok 10150, Thailand. Electronic address: paitip.thi@kmutt.ac.th.
authors.forename: P
authors.initials: P
authors.lastname: Thiravetyan
mesh_terms: D000327:Adsorption; D001673:Biodegradation, Environmental; D057919:Biological Oxygen Demand Analysis; D029786:Cyperus / Q000378:metabolism*; D031653:Nelumbo / Q000378:metabolism*; D009584:Nitrogen / Q000378:metabolism; D010758:Phosphorus / Q000737:chemistry / Q000378:metabolism*; D011549:Pseudomonas / Q000378:metabolism; D012987:Soil / Q000737:chemistry; D014865:Waste Disposal, Fluid / Q000379:methods*; D062065:Wastewater; D014871:Water Microbiology; D014874:Water Pollutants, Chemical / Q000737:chemistry / Q000378:metabolism*; D053833:Wetlands
chemical_list: D009584:Nitrogen; D010758:Phosphorus; D012987:Soil; D062065:Wastewater; D014874:Water Pollutants, Chemical
keywords: Cyperus alternifolius L.; Domestic wastewater; Nelumbo nucifera Gaertn.; Phosphorus; Phytoremediation