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Introduction: The work presents the experiences in development to make possible the alternatives of production chain in environmentally compatible conditions, of the sugar cane company Heriberto Duquesne based on the concept of biorefinery and using the circular economy. Objective: To show an effective and improving path for training doctors who contribute with their research to strengthen the production chain of the company for its operation and development as a biorefinery so that its business volumes gradually grow. Materials and methods: The research is carried out by articulating the postgraduate activities of the company's professionals who are surpassed in postgraduate master's degrees and doctorates who act as coordinators of projects that bring together the actions of the master's degree and of professionals who are not incorporated into the master's degree courses in a project work system. Results and discussion: This action is a component of an anticipatory system of strategic management, whose mission is to contribute to learning the best way of sustainable development through increasing linkage with other sectors of the country's economic and social life. Conclusions: The work offers the possibility of contributing to the generation of knowledge for sustainable industrial development that favors economy, and also the social impact of the territories through the resuscitation of the batey of this company in the sugar cane industry. [ABSTRACT FROM AUTHOR]

Introduction: In this work, based on the necessary technological linkage that exists in a raw sugar factory with a nearby sugar refinery, a strategy is proposed to strengthen its material and energy linkage in its development, extracting the juice from the filters. Objective: To evaluate the impact of extracting the juice from the filters on the influence on the quality of raw sugar, determining the optimal percentage of extraction to achieve the energy linkage of the combined raw sugar factory, refinery and torula cream. Materials and methods: The effect of the extraction of the juice from the filters on the quality of this type of sugar, and with it on that of refined sugar, is evaluated through the statistical modeling of the process through the aggregation of the models of the component elements, considering variations of the models in the purification stage for different per hundreds of extraction. Results and discussion: The global models of the process obtained through the aggregation of models of the partial stages are effective for predicting the sugar quality parameters. The extraction of the juice from the filters significantly increases the amount of leftover bagasse in the production of raw sugar. Conclusions: The extraction of the juice from the filters benefits the quality parameters of the produced sugar and significantly increases the amount of excess bagasse in the production of raw sugar, being an alternative to contribute to other productive demands. [ABSTRACT FROM AUTHOR]