Use of hydrophilic polymers from diapers to aid the establishment of Spergularia purpurea in a mine soil
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| Title: | Use of hydrophilic polymers from diapers to aid the establishment of Spergularia purpurea in a mine soil |
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| Authors: | Qu, G.1,2, de Varennes, A.1 adevarennes@isa.utl.pt |
| Source: | Journal of Hazardous Materials. Jun2010, Issue 1-3, p956-962. 7p. |
| Subjects: | Spergularia, Mine soils, Plant-soil relationships, Enzyme activation, Plant polymers, Trace element content of soils |
| Abstract: | Abstract: We used hydrophilic polymers from diapers to aid the establishment of an indigenous plant (Spergularia purpurea (Persoon) G. Don fil.) in a soil from a pyrite mine. Lysimeters were filled with the mine soil with no amendment (control), with a polyacrylate polymer, with a polymer removed from diapers, and with shredded diapers. The establishment of a plant cover was faster in soil amended with polymer from diapers, and 85 days after sowing the soil was completely covered in all treatments except control. The concentrations of trace elements in plant shoots decreased in amended soil. The activities of soil acid phosphatase, β-glucosidase, protease and cellulase were greatest in soil amended with the polyacrylate polymer or with polymer removed from diapers, while the application of shredded diapers leads to values that were in general intermediate between these treatments and unamended control. Basal- and substrate-induced respirations, and dehydrogenase were greatest in soil amended with polymers, but the presence of a plastic film and fibrous materials from shredded diapers prevented any improvement in these parameters compared with unamended soil. In the second experiment, we evaluated the risk of downward movement of polymers in columns of a sandy soil. Polymer from diapers, with or without Cu, was placed at a 10cm-depth. Five leaching cycles with artificial rain took place and leachates were analyzed for organic matter and Cu. At the end of the experiment, the soil columns were sliced and each layer was analyzed separately. Some repacking of soil and polymer particles took place, but there was no indication that polymers moved to any great depth in soil columns. [Copyright &y& Elsevier] |
| Copyright of Journal of Hazardous Materials is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 50268845 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Use of hydrophilic polymers from diapers to aid the establishment of Spergularia purpurea in a mine soil – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Qu%2C+G%2E%22">Qu, G.</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22de+Varennes%2C+A%2E%22">de Varennes, A.</searchLink><relatesTo>1</relatesTo><i> adevarennes@isa.utl.pt</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Journal+of+Hazardous+Materials%22">Journal of Hazardous Materials</searchLink>. Jun2010, Issue 1-3, p956-962. 7p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Spergularia%22">Spergularia</searchLink><br /><searchLink fieldCode="DE" term="%22Mine+soils%22">Mine soils</searchLink><br /><searchLink fieldCode="DE" term="%22Plant-soil+relationships%22">Plant-soil relationships</searchLink><br /><searchLink fieldCode="DE" term="%22Enzyme+activation%22">Enzyme activation</searchLink><br /><searchLink fieldCode="DE" term="%22Plant+polymers%22">Plant polymers</searchLink><br /><searchLink fieldCode="DE" term="%22Trace+element+content+of+soils%22">Trace element content of soils</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Abstract: We used hydrophilic polymers from diapers to aid the establishment of an indigenous plant (Spergularia purpurea (Persoon) G. Don fil.) in a soil from a pyrite mine. Lysimeters were filled with the mine soil with no amendment (control), with a polyacrylate polymer, with a polymer removed from diapers, and with shredded diapers. The establishment of a plant cover was faster in soil amended with polymer from diapers, and 85 days after sowing the soil was completely covered in all treatments except control. The concentrations of trace elements in plant shoots decreased in amended soil. The activities of soil acid phosphatase, β-glucosidase, protease and cellulase were greatest in soil amended with the polyacrylate polymer or with polymer removed from diapers, while the application of shredded diapers leads to values that were in general intermediate between these treatments and unamended control. Basal- and substrate-induced respirations, and dehydrogenase were greatest in soil amended with polymers, but the presence of a plastic film and fibrous materials from shredded diapers prevented any improvement in these parameters compared with unamended soil. In the second experiment, we evaluated the risk of downward movement of polymers in columns of a sandy soil. Polymer from diapers, with or without Cu, was placed at a 10cm-depth. Five leaching cycles with artificial rain took place and leachates were analyzed for organic matter and Cu. At the end of the experiment, the soil columns were sliced and each layer was analyzed separately. Some repacking of soil and polymer particles took place, but there was no indication that polymers moved to any great depth in soil columns. [Copyright &y& Elsevier] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Journal of Hazardous Materials is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1016/j.jhazmat.2010.02.031 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 7 StartPage: 956 Subjects: – SubjectFull: Spergularia Type: general – SubjectFull: Mine soils Type: general – SubjectFull: Plant-soil relationships Type: general – SubjectFull: Enzyme activation Type: general – SubjectFull: Plant polymers Type: general – SubjectFull: Trace element content of soils Type: general Titles: – TitleFull: Use of hydrophilic polymers from diapers to aid the establishment of Spergularia purpurea in a mine soil Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Qu, G. – PersonEntity: Name: NameFull: de Varennes, A. IsPartOfRelationships: – BibEntity: Dates: – D: 15 M: 06 Text: Jun2010 Type: published Y: 2010 Identifiers: – Type: issn-print Value: 03043894 Numbering: – Type: issue Value: 1-3 Titles: – TitleFull: Journal of Hazardous Materials Type: main |
| ResultId | 1 |
