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Nitric-oxidized vs alkaline-activated carbon nanomaterials for thorium(IV): mechanism-resolved adsorption and reuse.

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Title: Nitric-oxidized vs alkaline-activated carbon nanomaterials for thorium(IV): mechanism-resolved adsorption and reuse.
Authors: Abu Shawer, Akram I.1 (AUTHOR), Alnasra, Omar A.1 (AUTHOR) Amr9170169@jo.edu.jo, Khalili, Fawwaz I.1 (AUTHOR), Hamzeh, Ehab A.1 (AUTHOR)
Source: Journal of Radioanalytical & Nuclear Chemistry. Apr2026, Vol. 335 Issue 4, p2671-2689. 19p.
Subject Terms: *Oxidation, *Alkalinization, *Radioisotopes, *Physisorption, *Porosity, *Carbon foams, *Surfaces (Technology)
Abstract: Nanostructured carbons derived from olive pomace were tailored through chemistry-focused oxidation (Bio-N) or texture-focused alkaline activation (Bio-O) to disentangle how surface functionality and pore architecture govern thorium(IV) capture from acidic water. Structure–property analysis revealed that Bio-O provides faster access to binding domains, whereas Bio-N offers stronger temperature-enhanced site affinity. Both materials showed spontaneous, endothermic uptake and effective acid regenerability, with distinct reloading behaviors reflecting their differing chemistries. The study highlights a dual design principle—chemistry-first for capacity leverage and texture-first for rapid capture—establishing olive–pomace carbons as promising low-cost media for radionuclide polishing. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
FullText Text:
  Availability: 0
Header DbId: enr
DbLabel: Energy & Power Source
An: 193284226
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Nitric-oxidized vs alkaline-activated carbon nanomaterials for thorium(IV): mechanism-resolved adsorption and reuse.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Abu+Shawer%2C+Akram+I%2E%22">Abu Shawer, Akram I.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Alnasra%2C+Omar+A%2E%22">Alnasra, Omar A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> Amr9170169@jo.edu.jo</i><br /><searchLink fieldCode="AR" term="%22Khalili%2C+Fawwaz+I%2E%22">Khalili, Fawwaz I.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hamzeh%2C+Ehab+A%2E%22">Hamzeh, Ehab A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Radioanalytical+%26+Nuclear+Chemistry%22">Journal of Radioanalytical & Nuclear Chemistry</searchLink>. Apr2026, Vol. 335 Issue 4, p2671-2689. 19p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Oxidation%22">Oxidation</searchLink><br />*<searchLink fieldCode="DE" term="%22Alkalinization%22">Alkalinization</searchLink><br />*<searchLink fieldCode="DE" term="%22Radioisotopes%22">Radioisotopes</searchLink><br />*<searchLink fieldCode="DE" term="%22Physisorption%22">Physisorption</searchLink><br />*<searchLink fieldCode="DE" term="%22Porosity%22">Porosity</searchLink><br />*<searchLink fieldCode="DE" term="%22Carbon+foams%22">Carbon foams</searchLink><br />*<searchLink fieldCode="DE" term="%22Surfaces+%28Technology%29%22">Surfaces (Technology)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Nanostructured carbons derived from olive pomace were tailored through chemistry-focused oxidation (Bio-N) or texture-focused alkaline activation (Bio-O) to disentangle how surface functionality and pore architecture govern thorium(IV) capture from acidic water. Structure–property analysis revealed that Bio-O provides faster access to binding domains, whereas Bio-N offers stronger temperature-enhanced site affinity. Both materials showed spontaneous, endothermic uptake and effective acid regenerability, with distinct reloading behaviors reflecting their differing chemistries. The study highlights a dual design principle—chemistry-first for capacity leverage and texture-first for rapid capture—establishing olive–pomace carbons as promising low-cost media for radionuclide polishing. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=193284226
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1007/s10967-026-10806-2
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 19
        StartPage: 2671
    Subjects:
      – SubjectFull: Oxidation
        Type: general
      – SubjectFull: Alkalinization
        Type: general
      – SubjectFull: Radioisotopes
        Type: general
      – SubjectFull: Physisorption
        Type: general
      – SubjectFull: Porosity
        Type: general
      – SubjectFull: Carbon foams
        Type: general
      – SubjectFull: Surfaces (Technology)
        Type: general
    Titles:
      – TitleFull: Nitric-oxidized vs alkaline-activated carbon nanomaterials for thorium(IV): mechanism-resolved adsorption and reuse.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Abu Shawer, Akram I.
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            NameFull: Alnasra, Omar A.
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            NameFull: Khalili, Fawwaz I.
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            NameFull: Hamzeh, Ehab A.
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          Dates:
            – D: 01
              M: 04
              Text: Apr2026
              Type: published
              Y: 2026
          Identifiers:
            – Type: issn-print
              Value: 02365731
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              Value: 335
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              Value: 4
          Titles:
            – TitleFull: Journal of Radioanalytical & Nuclear Chemistry
              Type: main
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