International Journal For Multidisciplinary Research

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Comparison between Calculated, Simulated and Actual Plant Data of Multiple Effect Evaporators to Concentrate Sugarcane Juice

Author(s) Mortada H.A. Elhesain, Elzubier A. Salih, Abdel Moneim Osman A. Babiker, Mohammed M. Widatalla, Mohammed M. Bukhari
Country Sudan
Abstract Multiple effect evaporators systems operating at steady state can be described by a series of nonlinear algebraic equations that include total and solute mass balances, energy balances, heat transfer rate equations, and the composition and temperature dependence of related thermodynamic properties such as vapor pressures and enthalpies. The main objective is to compare between the manual calculations, simulation and real data collected from Asalaya plant for validation the best design of multiple effect evaporators system in forward feed used in Asalaya Sugar Factory. In this design a short tube vertical evaporator, Calandria type has been used. The models include overall equations of materials balance, equations of energy balance and equations of heat transfer rate for measurement area for all the effects. These equations were solved using manual calculations methods and MATLAB coded program. The results of the present investigations have been compared with the data obtained from the Asalaya Sugar Factory with five evaporators. The results showed that the concentration of sugar cane juice at the final stage is equal to 60 Brix for the manual calculations, simulation and actual plant data with zero error. The temperature of solution in the pre- effect evaporator was found to be about (114.94, 114.94, 115)ºC, with a relative error equal to 0.05% and the steam temperature in the pre effect was found about (120)ºC for the manual calculations, simulation and actual plant data, with zero error. The area and number of tubes in the (pre, second, third and fourth) effect, are in a good agreement, with the standard value (Er=3.26%). The above results show great similarity with the real behavior of evaporator unit. This can be used as a reliable tool\for the simulation of different operating conditions.
Keywords multiple effect evaporators, sugarcane juice, simulation, calculation, comparison
Field Engineering
Published In Volume 5, Issue 6, November-December 2023
Published On 2023-12-19
Cite This Comparison between Calculated, Simulated and Actual Plant Data of Multiple Effect Evaporators to Concentrate Sugarcane Juice - Mortada H.A. Elhesain, Elzubier A. Salih, Abdel Moneim Osman A. Babiker, Mohammed M. Widatalla, Mohammed M. Bukhari - IJFMR Volume 5, Issue 6, November-December 2023. DOI 10.36948/ijfmr.2023.v05i06.9727
DOI https://doi.org/10.36948/ijfmr.2023.v05i06.9727
Short DOI https://doi.org/gs9k5c
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