Mrs Suhad Almuktar S.A.A.A.N.Almuktar1@salford.ac.uk
Teaching Fellow in Civil Engineering
Biomass Production and Metal Remediation by Salix alba L. and Salix viminalis L. Irrigated with Greywater Treated by Floating Wetlands
A. A. A. N. Almuktar, Suhad; N. Abed, Suhail; Scholz, Miklas
Authors
Suhail N. Abed
Miklas Scholz
Abstract
As an alternative wood source for biochar and a cost-effective renewable energy source, sustainable biomass production based on fast-growing willows irrigated with treated wastewater has been explored. Salix alba L. and Salix viminalis L. were selected for assessment of their potentially high woody biomass productivity and phytoremediation efficiency when irrigated with greywater treated by floating treatment wetlands. Both Salix species produced significantly (p < 0.05) high woody biomass in the second harvest, with a significantly higher fresh woody biomass weight with higher water content (53%) for S. viminalis compared to S. alba. The dry biomass weight of S. alba was greater than of S. viminalis at the first harvest. The element accumulations in substrates changed significantly after irrigation, with greywater compared to the raw substrate following this order: Mg > Fe > Al > Cr > Mn > Cd > Cu > B. Element concentrations accumulated in twigs of S. alba following this order: Ca > Mg > Na > Mn > Zn > Fe > Al > Cd > Cu > Cr > Ni > B, but for S. viminalis the order was Ca > Mg > Mn > Zn > Na > Fe > Al > Cd > Cu > Ni > Cr > B. The accumulations of Al, B, Ca, Fe, Mg, Mn, and Ni were significantly greater in S. alba leaves compared to their twigs, which showed significantly high accumulations of Na and Zn. The accumulations of Al, B, Ca, Fe, Mg, Mn, and Na were significantly greater in S. viminalis leaves compared to their twigs.
| Journal Article Type | Article |
|---|---|
| Acceptance Date | Feb 23, 2024 |
| Online Publication Date | Feb 26, 2024 |
| Publication Date | Feb 26, 2024 |
| Deposit Date | Mar 11, 2024 |
| Publicly Available Date | Mar 11, 2024 |
| Journal | Environments |
| Print ISSN | 2076-3298 |
| Electronic ISSN | 2076-3298 |
| Publisher | MDPI |
| Peer Reviewed | Peer Reviewed |
| Volume | 11 |
| Issue | 3 |
| Pages | 44 |
| DOI | https://doi.org/10.3390/environments11030044 |
| Keywords | sustainable resource utilization, phytoremediation, water resources management, mineral contamination, willow harvesting, floating constructed wetland, biomass productivity, renewable energy, contaminated substrate |
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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
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