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Título: TECHNOLOGICAL AND ECONOMIC ASSESSMENT OF A PROCESSING ROUTE FOR ELECTRONIC WASTE RECYCLING
Autor: FELIPE SEABRA D ALMEIDA
Instituição: PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO - PUC-RIO
Colaborador(es):  RODRIGO FERNANDES MAGALHÃES DE SOUZA - ADVISOR
ROBERTO BENTES DE CARVALHO - CO-ADVISOR

Nº do Conteudo: 59418
Catalogação:  07/06/2022 Idioma(s):  PORTUGUESE - BRAZIL
Tipo:  TEXT Subtipo:  THESIS
Natureza:  SCHOLARLY PUBLICATION
Nota:  Todos os dados constantes dos documentos são de inteira responsabilidade de seus autores. Os dados utilizados nas descrições dos documentos estão em conformidade com os sistemas da administração da PUC-Rio.
Referência [pt]:  https://www.maxwell.vrac.puc-rio.br/colecao.php?strSecao=resultado&nrSeq=59418@1
Referência [en]:  https://www.maxwell.vrac.puc-rio.br/colecao.php?strSecao=resultado&nrSeq=59418@2
Referência DOI:  https://doi.org/10.17771/PUCRio.acad.59418

Resumo:
Brazil is the second largest producer of electronic waste in the Americas, with a production that grows each year and only 10 percent of it is properly treated. Additionally, Brazil does not have its own technology for treating printed circuit boards, a key component present in this type of waste. Currently, Brazil does not have an industrial plant dedicated to this extractive activity from electronic waste, with most of its treatment carried out abroad. The research hypothesis of this manuscript is that universities and their communities could develop raw material sources for such extraction processes and, therefore, deserve attention for the creation of collection points and partnerships. In this context, it is necessary to understand the behavior of this community in relation to the acquisition, storage and disposal of electronic equipment, as well as information on issues related to the management and recycling of electronic waste. Additionally, a conceptual treatment route was created based on the integration of technologies described in the literature. After creating the route design, a mass and energy balance was carried out, considering two base cases of printed circuit boards as raw material: A) Electronic waste in general; B) using cell phones only. For both cases, the treatment of 2 t/h was considered. It was determined that the studied group has more than 16.96 million cell phones in hibernation, in addition to other equipment, with an estimated inventory value of 67.45 million dollars for the studied group in the metropolitan region of Rio de Janeiro. If extrapolated to all of Brazil, it could reach 797.50 million dollars for the studied group. an internal rate of return of 141.6 percent and 3990.7 percent for case A and B, respectively, and net present value of USD 44,834,616 and USD 3,215,300,083 for case A and B, respectively. Additionally, it was determined that case A is highly sensitive to occupancy rate variation. In this context, this research has the potential to help in the creation of the first Brazilian industrial plant dedicated to the recycling of printed circuit boards, as well as to understand the key variables for the processing of these components. Additionally, the project presents the investment necessary for the creation of the plant, being crucial information for potential investors.

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