simulation and modeling of nitrate extraction in membrane contactors using comsol and matlab

Innovative processes for treating industrial wastewater containing pollutants often include methods to reduce toxicity in order to meet the required standards. membrane contactor technology is one of the methods that has been considered in the last few decades. these connectors are devices that transfer gas / liquid or liquid / liquid without mixing one phase into another. membranes are easily used to separate and transfer a specific component from one material to another, due to differences in physical or chemical properties between the membrane and the penetrating components. this study simulates computational fluid dynamics (cfd) for liquid-liquid extraction without nitrate dispersion in the membrane contactor. mass and momentum equations (navier-stokes equations) were used to model the transfer nitrate through the membrane contactor. in this model with using comsol, the distribution of nitrate concentration and the effect of different parameters on the extraction efficiency was studied and then we performed modeling in matlab software, by presenting a new model, and weobserved that the results obtained from both are almost same. in addition, the study showed that cfd can be used as an effective tool for the development of membrane contactors.