2005
DOI: 10.1590/s0100-40422005000100014
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A tecnologia da reciclagem de polímeros

Abstract: THE TECHNOLOGY OF POLYMER RECYCLING. Solid municipal waste contains a large volume of polymers and its final disposal is a serious environmental problem. Consequently, the recycling of the principal polymers present in the solid waste is an alternative. In this review we describe the mechanical and chemical recycling of polymers and the energy recovery from plastic wastes. Polymer recycling involves not only the development of processing technologies, but also the solution of many chemical and analytical probl… Show more

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Cited by 105 publications
(93 citation statements)
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“…1 Interest in biodegradable polymers has been growing rapidly in recent years; it could become an alternative for the problems of current environmental pollution generated by plastic garbage. 2,3 The importance of the study of low-density polyethylene (LDPE) biodegradable formulations is motivating much research in this area. 4 Polyethylene is used in several applications owing to its excellent properties, such as elasticity and flexibility.…”
Section: Introductionmentioning
confidence: 99%
“…1 Interest in biodegradable polymers has been growing rapidly in recent years; it could become an alternative for the problems of current environmental pollution generated by plastic garbage. 2,3 The importance of the study of low-density polyethylene (LDPE) biodegradable formulations is motivating much research in this area. 4 Polyethylene is used in several applications owing to its excellent properties, such as elasticity and flexibility.…”
Section: Introductionmentioning
confidence: 99%
“…A indústria visitada desenvolve o processo de reciclagem mecânica de plásticos típico, a exemplo dos casos citados por Spinacé e Paoli [6] , Bordonalli e Mendes [7] , Faria e Pacheco [8,9] e Pacheco et al [10] . Contudo, o caso ora apresentado pode não ilustrar a complexidade envolvida no desenvolvimento desse processo industrial em outros contextos.…”
Section: Introductionunclassified
“…Segundo a ABIPLAST, Associação Brasileira da Indústria do Plástico, em 2009, foram consumidos no Brasil 5,5 milhões de toneladas de plásticos virgem, ou seja, não reprocessados, sendo que 7% deste valor corresponderam a resinas de poliestireno [5] , entre elas o poliestireno de alto impacto (HIPS). Os processos de reciclagem são genericamente classificados em quatro categorias: primária, secundária, terciária e quaternária [6,7] . Na reciclagem primária, a matéria-prima provém de fonte confiável e limpa, como no caso de resíduos da indústria de plásticos e o produto final tem características equivalentes àquelas dos produtos originais produzidos com material virgem.…”
Section: Introductionunclassified