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Sun coral powder as adsorbent: Evaluation of phosphorus removal in synthetic and real wastewater
Rio de Janeiro State University, Brazil.
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science.ORCID iD: 0000-0002-7920-8001
Centro de Tecnologia Mineral CETEM, Brazil.
2016 (English)In: Ecological Engineering: The Journal of Ecotechnology, ISSN 0925-8574, E-ISSN 1872-6992, Vol. 97, 13-22 p.Article in journal (Refereed) Published
Abstract [en]

Two exotic species introduced during the 90 s known as sun coral currently spread along 2000 km of the Brazilian coast pose a severe threat to the marine biodiversity. Since they have exoskeletons with high concentration of calcium carbonate, the present investigation focused on the removal of phosphorus from wastewater, using exoskeleton's powder in three forms: raw (RSC); physically modified (SCA) and chemically modified (SCC). A Central Composite Design with Response Surface Methodology was applied to the assays along to studies of kinetics, thermodynamics and equilibrium and sorbent's characterisation by FTIR, XRD and SEM-EDX techniques. The maximum P removal capacities of RSC, SCA and SCC were 6826, 7062 and 9597 mg P kg−1, respectively. In all cases, the adsorption followed the Langmuir's pseudo-second-order kinetic model being the process thermodynamically appropriate. The sun coral-based adsorbent is an attractive option for wastewater treatment and may contribute to the control of the sun coral population.

Place, publisher, year, edition, pages
2016. Vol. 97, 13-22 p.
Keyword [en]
Factorial design, Phosphorus removal, Response surface methodology, Sorption processes, Sun coral, Wastewater
National Category
Environmental Sciences Water Engineering
Research subject
Natural Science, Environmental Science; Technology (byts ev till Engineering)
Identifiers
URN: urn:nbn:se:lnu:diva-56054DOI: 10.1016/j.ecoleng.2016.08.004ISI: 000388580200002Scopus ID: 2-s2.0-84982106322OAI: oai:DiVA.org:lnu-56054DiVA: diva2:971496
Note

Funding Details: CAPES, Coordination for the Improvement of Higher Education Personnel

Available from: 2016-09-16 Created: 2016-08-31 Last updated: 2016-12-23Bibliographically approved

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Marques, Marcia
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf