Enhancing the sustainable immobilization of phosphogypsum by cemented paste backfill with the activation of γ-Al2O3

Construction and Building Materials(2022)

Cited 13|Views10
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Abstract
•Incorporation of γ-Al2O3 enhanced the immobilization efficiency of F and P.•Ca- and Al-F are the primary phases that dominate F leaching.•Optimized mechanical properties indicate a greater encapsulation.•γ-Al2O3-modified matrix exhibited satisfactory performance of PG remediation.
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Key words
Phosphogypsum,Solidification/stabilization,Cemented paste backfill,Aluminum oxide,Solid waste management
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