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Journal of Environmental Accounting and Management
António Mendes Lopes (editor), Jiazhong Zhang(editor)
António Mendes Lopes (editor)

University of Porto, Portugal


Jiazhong Zhang (editor)

School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, China

Fax: +86 29 82668723 Email:

Streamlined life cycle inventory of dental syringes manufacturing

Journal of Environmental Accounting and Management 1(2) (2013) 189--201 | DOI:10.5890/JEAM.2013.05.006

C. R. Munhoz; C. M. V. B. Almeida; F. Agostinho; S. H. Bonilla; B. F. Giannetti

Universidade Paulista (UNIP), Programa de Pós-graduação em Engenharia de Produção, Laboratório de Produção e Meio Ambiente, São Paulo, Brazil

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Among the methods proposed to environmental management of productive activities, Life Cycle Assessment is one of the most integrated, complete and effective. The product assessed is the dental Carpule syringe. The aim of this work is to achieve a Streamlined Life Cycle Inventory (LCI) to quantify the electric energy consumption and the solid waste release from dental Carpule syringes manufacture. The methodological framework is based on ISO 14040/2006. The LCI covers the syringe life cycle from mining to disposal. The limits of the system include the stages of copper and zinc mining and ore beneficiation, the production of polyethylene used for syringe and needle packing, the production of steel for needles and syringe coils, and the use of the whole set by dentists. The functional unit was defined as 106 (one million) applied anesthesia. During improvement assessment, the proposed solutions allow reducing the energy consumption at about 20% in the manufacturing stage. The solid waste quantity may be reduced by almost 40 % in the manufacturing stage, equivalent to approximately 6.5 % of the total solid waste released during the entire life cycle of the Carpule dental syringe.


The authors thank Farbe Metallurgical Ltd. for providing the data necessary for the execution of this study. This study had financial support from Vice-Reitoria de Pós-Graduação e Pesquisa da Universidade Paulista.


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