Planned maintenance
A system upgrade is planned for 13/12-2023, at 12:00-13:00. During this time DiVA will be unavailable.
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • harvard-cite-them-right
  • apa
  • 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
Pretreatment of lignocellulosic waste as a precursor for synthesis of high porous activated carbon and its application for Pb (II) and Cr (VI) adsorption from aqueous solutions
Department of Natural Resources, Isfahan University of Technology, Isfahan 84156-83111, Iran.
Department of Natural Resources, Isfahan University of Technology, Isfahan 84156-83111, Iran.
Department of Natural Resources, Isfahan University of Technology, Isfahan 84156-83111, Iran.
University of Borås, Faculty of Textiles, Engineering and Business. (Department of Resource Recovery and Building Technology)ORCID iD: 0000-0003-0037-3555
Show others and affiliations
2021 (English)In: International Journal of Biological Macromolecules, ISSN 0141-8130, E-ISSN 1879-0003, Vol. 180, p. 299-310Article in journal (Refereed) Published
Abstract [en]

Effects of Elm tree sawdust pretreatments using alkali and alkaline earth metals (NaCl, KCl, CaCl2, MgCl2 and Elm tree ash) and deashing solutions (water, HCl, HNO3 and aqua regia) before the carbonization process on the porosity of produced activated carbons and Pb (II) and Cr (VI) adsorption were studied. The activated carbons were characterized by pore size distribution, surface area, FTIR, and SEM-EDX analysies. Based on the results, HCl leaching pretreatment of the biomass increased the activated carbon adsorption capacity of Cr (VI) from 114 to 190 mg g−1. The treatment of biomass with alkali and alkali earth metal salts, especially MgCl2, remarkably increased the activated carbon adsorption capacity of Pb (II) from 233 to 1430 mg g−1. The results indicated that Pb (II) adsorption was attributed to both the mesoporous structure of activated carbon and the abundance of Mg on the activated carbon's surface. On the other hand, the micropores played a major role in Cr (VI) adsorption capacity. The development of the micro- or mesoporous structure of activated carbons through pretreatment of lignocellulosic precursor could be an approach for providing high performance activated carbons for Pb (II) and Cr (VI) removal from aqueous solutions.

Place, publisher, year, edition, pages
Elsevier, 2021. Vol. 180, p. 299-310
Keywords [en]
Chemical activation, Elm tree, Heavy metals
National Category
Environmental Sciences
Research subject
Resource Recovery
Identifiers
URN: urn:nbn:se:hb:diva-25921DOI: 10.1016/j.ijbiomac.2021.03.078ISI: 000649643500013PubMedID: 33737183Scopus ID: 2-s2.0-85102625569OAI: oai:DiVA.org:hb-25921DiVA, id: diva2:1579648
Available from: 2021-07-09 Created: 2021-07-09 Last updated: 2021-07-13Bibliographically approved

Open Access in DiVA

No full text in DiVA

Other links

Publisher's full textPubMedScopus

Authority records

Richards, TobiasPettersson, Anita

Search in DiVA

By author/editor
Richards, TobiasPettersson, Anita
By organisation
Faculty of Textiles, Engineering and Business
In the same journal
International Journal of Biological Macromolecules
Environmental Sciences

Search outside of DiVA

GoogleGoogle Scholar

doi
pubmed
urn-nbn

Altmetric score

doi
pubmed
urn-nbn
Total: 110 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • harvard-cite-them-right
  • apa
  • 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