Structural identifiability of parameters of a biological phosphorus removal model determined by applying differential algebra
基于微分代数方法的生物除磷模型参数结构可识别性研究

The adsorption of Cu2+ and Cd2+ onto montmorillonite modified with an anionic surfactant (sodium dodecylsulfate,SDS) was investigated. The organic montmorillonite was examined by Fourier transform infrared spectroscopy (FTIR),X-ray diffraction (XRD),scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The adsorption of Cu2+ and Cd2+ onto montmorillonite reached equilibrium basically within 20 min,and the adsorption capacity increased with increasing solution pH (1.0~7.0) with the o...