Inventário do ciclo de vida do filme BOPP produzido no Brasil
Cunha, Renata Nobre da
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The growing awareness of the importance of environmental protection and the possible impacts caused by production processes boost to research methods to better understand and reduce these problems. Assessment Life Cycle Assessment (LCA) is a widely used technique that seeks to assess the environmental aspects and minimize potential impacts in the life cycle of products or processes. A detailed description of the environmental aspects of the product is called Life Cycle Inventory (LCI), which organizes the input data and output of product or process, considering the raw materials, water and energy consumption, air emissions, liquid effluents, solid waste, among others. Thus, this work presents the ICV flexible polypropylene film (BOPP) produced in Brazil by a company located in the region of Sorocaba, to provide subsidies for the production of BOPP film that contribute to the construction of the LCA database representative of the Brazilian reality. To do this, it used the scope of the "cradle-to-gate", which considers environmental aspects from the extraction of raw materials to the factory gate. They were considered as subsystems of the representative model of the production of BOPP system of petroleum extraction; petroleum refining - production of naphtha; production of propylene; production of PP resin; production of BOPP film; and maritime transport (imported petroleum) and road (PP resin). For the preparation of the inventory, using primary and secondary data, collected in the company producer of BOPP and bibliographical research, respectively. From the inventory analysis, were identified and discussed the most representative environmental aspects (water consumption, energy source and emissions of CO, CO2, particulate matter, SOx, NOx and CxHy) each subsystem inventory of the production of BOPP film under study. The greatest contribution of subsystems for the consumption of water and energy were the production of the resin PP and the production of BOPP film. In all subsystems CO2 emissions was representative, being the propylene production subsystem what else issued, presenting also representing contributions in CO, SOx, NOx and CxHy.