1. The loadings of SA/sulfide and operational parameters were optimized for the SA@S-Fe NPs activated PS degradation of TBBPA in soil. The degradation of TBBPA approximated to pseudo-first order kinetics reaching a maximum value of 94.32% (k = 0.23h -1 ) at 25 ? after 12h under optimum conditions. RSM optimization indicated that a theoretical maximum degradation efficiency of 99.79% at the 34.28?, SA@S-Fe NPs and PS additions of 3.57 g kg -1 and 36.35 mM, respectively. The main species involved in the degradation of TBBPA by the SA@S-Fe NPs/PS system was SO 4 �? , �HO, and O 2 �? . Proposed mechanisms for the degradation of TBBPA in soil involved the radical ion attacked C-Br bond cleavage and C atoms in the middle to cause C-C bond oxidative cleavage eventual mineralization. Oxidative degradation increased the number of clay particles while reducing debris in the soil; it had no significant effect on the minerals and metals, thereby maintaining the original soil fertility. The SA@S-Fe NPs/PS system represents a green, sustainable and cost-effective AOP for the remediation of TBBPA contaminated soil;J. Saudi. Chem. Society,2021
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