Efficient and selective desulfurization of a model fuel using a reusable chitosan-based adsorbent.

Ce3⁺- and Cu2⁺-modified chitosan were developed as sustainable bio-based adsorbents for thiophene removal from a model fuel. Structural analysis showed that Ce3⁺ preserved chitosan crystallinity, while Cu2⁺ induced partial amorphization. Ce-chitosan…

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