Sustainable Biochar–Covalent organic framework (COF) hybrids for selective remediation of lead and arsenic from groundwater

Abeer Adaileh

doi:10.1016/j.biombioe.2026.109532

Sustainable Biochar–Covalent organic framework (COF) hybrids for selective remediation of lead and arsenic from groundwater

2026-05-08

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AI

A

Abeer Adaileh

E

Eman Fayad

M

Mohammad Abu Shuheil

E

Eslam A. Mohamed *

D

Dalal Nasser Binjawhar

H

H.A. Abdel Samad

M

Mahmoud F. Mubarak *

DOI：10.1016/j.biombioe.2026.109532

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Abstract

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• BC@TpPa-COF hybrid synthesized via hydrothermal pyrolysis and in-situ condensation. • Structural integrity verified by XRD, XPS, and FTIR with high stability up to 420 °C. • Pore-interconnected channels yield a high BET surface area of 842 m2 g−1 gram. • The adsorption capacities was 312.5 mg/g for Pb(II) and 254.8 mg/g for As(V). • Selectivity and stability maintained over five regeneration cycles.

Keywords:

Biochar

Covalent organic framework

Heavy metal adsorption

Groundwater remediation

Selective removal

Sustainable Biochar–Covalent organic framework (COF) hybrids for selective remediation of lead and arsenic from groundwater

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