Catalysts and Method for Producing Recycled Polyester

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Título:	Catalysts and Method for Producing Recycled Polyester
Autor(es):	SILVA, Wellington de Oliveira da LIMA, Stevie Hallen DIAS, Marcos Lopes SIRELLE, Lys PACHECO FILHO, José Geraldo de Andrade ANDRADE, Jacicleide Nascimento NASCIMENTO JÚNIOR, Hezrom Saulo do LOPES, Daniela Emília Bastos ARCANJO, Ana Paula Cipriano de CASTRO, Aline Machado de
Data do documento:	19-Mar-2020
Editor:	World Intellectual Property Organization (WIPO)
Abstract:	The invention relates to the production of heterogeneous catalysts of mixed oxides based on niobium and mixed oxides of zinc, manganese, nickel, cobalt and/or aluminum, from hydrotalcites (HTs), as the precursor phase of heterogeneous catalysts, and to the application thereof in the chemical recycling of poly(ethylene terephthalate) (PET) for the production of metal-free bis(hydroxy)ethylene (BHET) monomers and oligomers with a process performance similar to that of the system in homogeneous catalysis.
URI:	https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2020051665 https://repositorio.ufpe.br/handle/123456789/61823
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