The complex composition of water bodies often complicates the water treatment process. Coagulation is an important part of water treatment, subsequent water treatment can be simplified by maximally removing suspended particles, natural organic matter, and pathogenic microorganisms during coagulation. Here, we developed a novel silicon-ferrum hybrid coagulant (SFHC). The morphology and structure were described by scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), elemental analysis (EA) and X-ray diffraction (XRD). The Fe-ferron reaction kinetics were used to evaluate the morphological distribution of Fe species in SFHC. It was finally determined that the SFHC with Si/Fe of 0.1 and B value of 1.0 showed the best coagulation efficiency. At the optimum dose, SFHC achieved 95.83% removal of 20 mg L⁻¹ humic acid wastewater, and turbidity was almost completely removed in kaolin wastewater. SFHC maintained high coagulation efficiency over a wide range of pH values (pH 5–9), which was superior to conventional coagulants. Furthermore, SFHC has excellent coagulation performance to the soluble small-molecular pollutants as nitrate (NO₃^–), phosphate (PO₄³⁻) and diclofenac (DCF) in water, and has good bacteriostatic ability to pathogenic microorganisms (96.94% bacteriostatic rate at 40 × 10⁻⁵ mol L⁻¹ dosage). Regarding actual water bodies, SFHC also showed excellent performance. Therefore, SFHC has great potential as a multifunctional and effective coagulant.

水体的复杂成分往往使水处理过程复杂化。混凝是水处理的重要组成部分，通过在混凝过程中最大限度地去除悬浮颗粒、天然有机物和病原微生物，可以简化后续的水处理。在这里，我们开发了一种新型硅铁混合混凝剂 (SFHC)。通过扫描电子显微镜 (SEM)、透射电子显微镜 (TEM)、傅里叶变换红外光谱 (FTIR)、元素分析 (EA) 和 X 射线衍射 (XRD) 描述了形态和结构。Fe-ferron 反应动力学用于评估 SFHC 中 Fe 物种的形态分布。最终确定Si/Fe为0.1、B值为1.0的SFHC表现出最好的混凝效果。在最佳剂量下，SFHC 达到 95。^-1腐植酸废水，高岭土废水几乎完全去除浊度。SFHC 在很宽的 pH 值范围（pH 5-9）内保持高混凝效率，优于传统混凝剂。此外，SFHC对水中的硝酸盐（NO ₃ ^-）、磷酸盐（PO ₄ ^3- ）、双氯芬酸（DCF）等可溶性小分子污染物具有优异的混凝性能，对病原微生物具有良好的抑菌能力（96.94%抑菌率）在 40 × 10 ^-5 mol L ^-1剂量）。在实际水体方面，上菲投也表现出色。因此，SFHC作为多功能高效混凝剂具有巨大的潜力。