Implementação de ferramenta computacional para solução de balanços de massa bicomponentes em sistemas homogêneos

Abstract

In the current context, there is a demand for software that is freely available to help people involved in industrial processes; because of this context, the implementation of a computational instrument is interesting. In the present work, a computational tool was implemented capable of obtaining the solution, in an intuitive way, for mathematical models derived from mass balances in twocomponent systems without chemical reaction, with or without the use of recycle current. Nonlinear mathematical models are obtained from mass balances, which involve numerous variables and, due to the great possibility of unknown variables and combinations of variables, the manual solution process can be quite laborious. The computational tool was developed in such a way that the same solution procedure is applied for all possible combinations of unknown variables. For numerical solution of the system of equations, the method of Broyden was used, numerical method, adapted from the method of NewtonRaphson, with control of the size of the step in each iteration aiming at the biggest chance of convergence. To facilitate the use of the tool, a graphical interface was developed, composing the developed tool. To develop the program, the Python programming language and its respective libraries were used. The KivyMd library was used to create the graphical interface that facilitates the use of the computational tool. The NumPy library was used to develop the numerical part. The results obtained with the use of the developed apparatus are positive, obtaining the results efficiently, alerting the user about the insertion of wrong data and allowing a consultation to illustrative figures of the process.