ZnAl₂O₄/BiPO₄ heterostructures were successfully obtained via co-precipitation and hydrothermal method. The photocatalytic efficiency of ZnAl₂O₄/BiPO₄ composites were improved and seriously influenced by the loading content of ZnAl₂O₄ under UV light. Photocatalytic tests showed that the kinetic constant of 1 wt% ZnAl₂O₄/BiPO₄ composites for methylene blue degradation under UV irradiation were 0.959 h^-1, which is 2.47 and 18.10 times as large as that of pure ZnAl₂O₄ and BiPO₄, respectively. The enhanced photocatalytic performance of ZnAl₂O₄/BiPO₄ heterojunctions was ascribed to effective separation of photo-generated electron–hole pairs. The photogenerated holes (h⁺) and •OH were the primary reactive species in the MB degradation over ZnAl₂O₄/BiPO₄ composites. Photo-Fenton-like reaction was initiated with H₂O₂ addition, which significantly improved the photocatalytic activity of ZnAl₂O₄/BiPO₄. The COD_Cr and color removals of textile wastewater over ZnAl₂O₄/BiPO₄/H₂O₂ under UV irradiation were 76.74% and 83.22%, and the COD_Cr and color removals of eucalyptus chemimechanical pulp wastewater (ECMPW) over ZnAl₂O₄/BiPO₄/H₂O₂ under UV irradiation were 73.98% and 84.54%, respectively. This work provides a new insight for constructing efficient flexible heterogeneous photocatalysts for wastewater purification.

通过共沉淀和水热法成功地获得了ZnAl ₂ O ₄ / BiPO ₄异质结构。ZnAl ₂ O ₄ / BiPO ₄复合材料的光催化效率得到提高，并且受到紫外光下ZnAl ₂ O ₄的负载量的严重影响。光催化测试表明，1 wt％ZnAl ₂ O ₄ / BiPO ₄复合材料在紫外光下降解亚甲基蓝的动力学常数为0.959 h ^-1，是纯ZnAl ₂ O ₄和BiPO的2.47和18.10倍。₄。ZnAl ₂ O ₄ / BiPO ₄异质结的增强的光催化性能归因于光生电子-空穴对的有效分离。光生空穴（h ⁺）和•OH是在ZnAl ₂ O ₄ / BiPO ₄复合材料上MB降解的主要反应物种。加入H ₂ O ₂引发类似光芬顿反应，显着提高了ZnAl ₂ O ₄ / BiPO ₄的光催化活性。锌铝上纺织废水的化学需氧量_铬和脱色₂ ø ₄ / BIPO ₄ / H ₂ ö ₂紫外光照射下分别为76.74％和83.22％，和COD_的Cr桉树化学机械纸浆废水和颜色清除（ECMPW）以上的ZnAl ₂ ö ₄ / BIPO ₄ / H ₂ ö ₂下紫外线照射分别为73.98％和84.54％。这项工作为构建用于废水净化的高效柔性多相光催化剂提供了新的见识。