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Agricultural waste–derived activated carbons for heavy metal sorption: superior performance of pistachio shell carbon
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DOI：10.1016/j.jwpe.2026.110664.png)
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Abstract
En 中文
• Activated carbons (Acs) prepared from six agricultural wastes via KOH activation. • Pistachio shell AC shows highest surface area (752.7 m2 g−1) and pore volume. • AC-PS shows superior Cr(VI), Ni(II), and Pb(II) sorption performance. • AC-PS displays complete Pb(II) removal with capacities >140 mg g−1 at low dosage. • Sorption follows pseudo-second-order kinetics and Sips isotherm behavior.
Keywords:
Activated carbon
Agricultural waste
Heavy metal removal
Circular economy
Sorption kinetics
Sips isotherm
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6.7
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1.0W
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3.3W
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