Diminuição da perda de açúcares redutores totais no multijato de uma usina sucroalcooleira

Abstract

There is a growing demand in the sugar-energy sector for greater industrial efficiency, especially in stages where losses occur, as they directly affect overall process performance. In this context, the present study aimed to reduce total reducing sugar (TRS) losses in the multijet condenser of a sugar and ethanol plant. To identify, analyze, and mitigate the factors contributing to these losses, the A3/PDCA methodology was applied, enabling a structured approach to investigation and improvement. Initially, it was observed that multijet losses in the 23/24 harvest reached 0.22%, exceeding the operational target of 0.17%, mainly due to juice entrainment, inadequate operating conditions, and limitations in vacuum control. Based on the analysis of the possible causes, several countermeasures were developed and implemented, such as technical training for operators, installation of auxiliary devices, structural improvements, and equipment repairs. As a result, there was a significant reduction in multijet losses in the 24/25 harvest, reaching 0.15%, a value below the established target. The study demonstrated that the applied countermeasures were effective in reducing losses, reinforcing the importance of minimizing process inefficiencies to improve operational performance in the sugar-energy industry.