Gestão da qualidade aplicada à melhoria do processo de produção de carvão vegetal / Quality management applied to improve the production process of charcoal

AUTOR(ES)

Anna Carolina Silvestre Picancio

FONTE

IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia

DATA DE PUBLICAÇÃO

09/12/2011

RESUMO

The forestry sector contributes significantly to the Brazilian Gross Domestic Product (GDP), as well as to generate employment and income. The research for this sector brought numerous technological advances in areas such as forestry, plant breeding, soil management and water resources. However, few studies have studied management, responsible for increasing the efficiency, productivity and competitiveness of organizations. It is important to spread along the forest sector knowledge in business management, to increase the competitiveness of the sector and improve the use of energy forests of Brazil by improving the quality of production processes. Thus, this research aimed to study the application of the methodology of process management in the process of charcoal production in order to contribute to the improvement of quality. The study was conducted in a company in the forestry sector, which has units of carbonization, with production of charcoal for the steel industry. Process map was prepared to the charcoal production, was identified data on performance indicators, differentiating them into control items and check items. For control items, sequential plots were constructed according to the specification limits determined by the client, correlation analyzes were performed to investigate the relationship of cause and effect relationship between the items of verification and control items and applied the Tukey test to 5% probability level. Also within the scope of the research was done qualitative identification of quality costs of the process under study. It was observed that rates of compliance with respect to customer requirements, varied according to the control item analyzed. For the bulk density, 83% of the data were out of specification limits, apparent density 100%, strength 10%, volatiles 49%, fixed carbon 46%, ash 20%, fines (% weight) 39%, fines (volume %) 52% of the data were outside the specification limits, as to the percentage of humidity data 100 % were within specification limits. It was observed that, for most of the control items, the process is not compliance with customer specifications. As the correlation analysis between indicators, was confirmed the importance of following up verification items process and the need for follow-up new verification items, because these affect the quality of the final product. Through the monitoring process, it was possible to qualitatively identify the costs of assessment, prevention and process failures, allowing in the future the company can improve the management of the production process.

ASSUNTO(S)

gestão de qualidade manejo florestal gestão por processos carvão vegetal custos de qualidade quality management charcoal process management quality costs

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