Journal article
Modeling sustainable reuse of nitrogen-laden wastewater by poplar
International Journal of Phytoremediation: 11th International Phytotecnologies Conference, Heraklion, Crete, Greece, September 30-October 3, 2014, Vol.18(6), pp.634-642
06/02/2016
DOI: 10.1080/15226514.2015.1086307
PMID: 26375195
Abstract
Numerical modeling was used to simulate the leaching of nitrogen (N) to groundwater as a consequence of irrigating food processing wastewater onto grass and poplar under various management scenarios. Under current management practices for a large food processor, a simulated annual N loading of 540 kg ha
−1
yielded 93 kg ha
−1
of N leaching for grass and no N leaching for poplar during the growing season. Increasing the annual growing season N loading to approximately 1,550 kg ha
−1
for poplar only, using "weekly", "daily" and "calculated" irrigation scenarios, yielded N leaching of 17 kg ha
−1
, 6 kg ha
−1
, and 4 kg ha
−1
, respectively. Constraining the simulated irrigation schedule by the current onsite wastewater storage capacity of approximately 757 megaliters (Ml) yielded N leaching of 146 kg ha
−1
yr
−1
while storage capacity scenarios of 3,024 and 4,536 Ml yielded N leaching of 65 and 13 kg ha
−1
yr
−1
, respectively, for a loading of 1,550 kg ha
−1
yr
−1
. Further constraining the model by the current wastewater storage volume and the available land area (approximately 1,000 hectares) required a "diverse" irrigation schedule that was predicted to leach a weighted average of 13 kg-N ha
−1
yr
−1
when dosed with 1,063 kg-N ha
−1
yr
−1
.
Details
- Title: Subtitle
- Modeling sustainable reuse of nitrogen-laden wastewater by poplar
- Creators
- Yusong Wang - University of Iowa, Department of Civil and Environmental EngineeringLouis Licht - University of Iowa, Department of Civil and Environmental EngineeringCraig Just - University of Iowa, Department of Civil and Environmental Engineering
- Resource Type
- Journal article
- Publication Details
- International Journal of Phytoremediation: 11th International Phytotecnologies Conference, Heraklion, Crete, Greece, September 30-October 3, 2014, Vol.18(6), pp.634-642
- Publisher
- Taylor & Francis
- DOI
- 10.1080/15226514.2015.1086307
- PMID
- 26375195
- ISSN
- 1522-6514
- eISSN
- 1549-7879
- Language
- English
- Date published
- 06/02/2016
- Academic Unit
- Civil and Environmental Engineering
- Record Identifier
- 9983991945802771
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