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Metal Removal from Battery-Recycling Leachates Using Metal-Organic-Frameworks
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH).
2026 (English)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
Metallavskiljning från lakvatten vid batteriåtervinning med metallorganiska ramverk (Swedish)
Abstract [en]

Global expansion of battery technology has increased the demand for metal resources but also recovering metals from spent batteries. The Metal-Organic-Framework SU-102 was tested as a selective adsorbent for recovery of metal ions but also its chemical stability under acidic conditions. SU-102 was synthesized by optimizing key factors such as temperature, rection time. The MOF was characterized by using PXRD, BET, SEM and for adsorption selectiveness with ICP-OES. The synthesis conditions that resulted in most crystallinity was 120°C with a reaction time of 1 hour giving a BET surface area of 406 m2/g. ICP-OES measurement showed that SU-102 is highly selective towards Ca, Mg, Mn and less selective for Co and Ni. SU-102 was shown to be stable with HCl(aq) and less stable with the other acids. SU-102 was shown to be selective towards Ca, Mn and Mg with high removal efficiencies and stable with HCl(aq) but not with other acids.

Abstract [sv]

Global expansion av batteriteknik har ökat efterfrågan på metallresuerser men även för att återvinna metaller från förbrukade batterier. Metal-Organic-Framework Su-102 testades som en selektiv adsorbent får återvinning av metalljoner och även dess kemiska stabilitet under sura förhållanden. SU-102 syntetiserades genom att optimera nyckelfaktorer som temperatur, reaktionstid. MOF karakteriserades med hjälp av PXRD, BET, SEM och för selektivitet genom adsorption med ICP-OES. De syntesfaktorer som visade mest kristallinet var 120° med en reaktionstid på 1 timme och en BET-yta på 406 m2/g. ICP-OES analysen visade att SU-102 är mycket selektiv mot Ca, Mg, Mn och mindre selektiv för Co och Ni. SU-012 visade sig vara stabil i kontakt med HCl(aq) och mindre stabil med de andra syrorna. SU-102 visade sig Vaara selektiv mot Ca, Mn och Mg med hög borttagningseffektivitet och stabil i kontakt med HCl(aq) men inte med andra syror.

Place, publisher, year, edition, pages
2026.
Series
TRITA-CBH-GRU ; 2026:340
Keywords [en]
MOF, SU-102
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-387630OAI: oai:DiVA.org:kth-387630DiVA, id: diva2:2096278
Educational program
Bachelor of Science in Engineering - Chemical Engineering
Available from: 2026-08-28 Created: 2026-08-28 Last updated: 2026-08-28Bibliographically approved

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