Shows enhanced chromium reduction in coal gasification fine slag, indicating effective environmental remediation.
Hierarchical porous carbon from coal gasification fine slag via acid–alkali activation exhibited a high surface area (630.3 m 2 g −1 ) and Cr( vi ) adsorption capacity of 179.9 mg g −1 through pore filling, electrostatic attraction and redox reactions.
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Bai et al. (2026) studied this question.
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