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The role of aluminum in the synergistic enhancement of heavy metal immobilization via co-pyrolysis of sludge and phosphate tailings
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DOI：10.1016/j.wasman.2026.115715.png)
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Abstract
En 中文
• Oxalic acid activates inert aluminum to promote aluminosilicate formation. • Co-pyrolysis enables synergistic adsorption and mineral fixation of heavy metals. • Oxalic activation increased Zn retention from 5.63% to 51.54% at 900 °C. • Oxalic activation increased Pb retention from 44.38% to 62.59% at 900 °C.
Keywords:
Sewage sludge biochar
Phosphate tailings
Aluminum species
Co-Pyrolysis
Heavy metal immobilization
Journal
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7.1
Papers:
10.0K
Citations:
5.3W
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