Metallic glasses (MGs) are promising candidates for catalysts with high efficiency for dyeing wastewater remediation, due to their metastable nature, disordered structure, and large residual stresses. However, dyeing wastewater usually contains a high concentration of inorganic ions which may have adverse effects on the degradation process, while the impacts of these ions on MGs’ degradation capability have often been overlooked and still remain unknown. Thus, the roles of inorganic ions (${\text{Cl}}^{-}$, ${\text{NO}}_3^{-}$, ${\text{SO}}_4^{2-}$, and ${\text{H}}_2{\text{PO}}_4^{-}$) on the degradation of azo dye by Fe-based MG with nominal composition of Fe₈₁Si₄B₁₄Cu₁ were systematically investigated. The results showed that the inorganic ions have significant influence on MG’s surface morphology, degradation capability, mineralization and durability. All these aspects need to be considered prior to application of MGs for azo dyes degradation in real natural contaminated water or saline wastewater.

金属玻璃（MGs）由于具有亚稳的性质，无序的结构和较大的残余应力，因此有望成为用于印染废水修复的高效催化剂。然而，印染废水通常含有高浓度的无机离子，这可能会对降解过程产生不利影响，而这些离子对MGs降解能力的影响往往被忽视，而且仍然未知。因此，无机离子的作用（${\text{氯}}^{--}$， ${\text{没有}}_3^{--}$， ${\text{所以}}_4^{2--}$和 ${\text{H}}_2{\text{PO}}_4^{--}$）系统地研究了标称组成为Fe ₈₁ Si ₄ B ₁₄ Cu ₁的Fe基MG对偶氮染料的降解。结果表明，无机离子对MG的表面形貌，降解能力，矿化和耐久性具有重要影响。在将MG用于在天然天然污水或盐水中降解偶氮染料之前，需要考虑所有这些方面。