Buscar
Mostrando ítems 31-40 de 305
Catalytic glycolysis of poly(ethylene terephthalate) using zinc and cobalt oxides recycled from spent batteries
(Springer Verlag Berlín, 2019-09-10)
The chemical recycling of polyethylene terephthalate (PET) to bis(2-hydroxyethyl) terephthalate (BHET) was studied using recycled metal oxides. Recovered zinc (RZnO) and cobalt (RCoO) oxides were obtained after a ...
Desenvolvimento de acabamento têxtil antimicrobiano utilizando eco-MOF
(Universidade Tecnológica Federal do ParanáApucaranaBrasilEngenharia TêxtilUTFPR, 2019-12-04)
Textile fibers represent a large part of the amount of solid waste generated, mainly coming from the cutting sector in the confection. Most of the textile waste is made of polyester. One way to reuse discarded polyester ...
Biodegradación de ácido tereftálico es sistemas modelos aerobios
(Paola Elizabeth, Campos Tejada, 2016-11-04)
Resumen
El ácido tereftálico (AT) es un compuesto orgánico tóxico; debido a que su aplicación más fuerte es la producción de tereftalato de polietileno (PET por sus siglas en inglés) es uno de los compuestos que encabezan ...
Obtención de BHET a partir de residuos de botellas plásticas de PET mediante glicólisis catalizada con ceniza de cáscara de naranja
(Universidad de los AndesIngeniería QuímicaFacultad de IngenieríaDepartamento de Ingeniería Química y de Alimentos, 2022-09-02)
Uno de los principales problemas ambientales actualmente es el de la contaminación por residuos plásticos y una de las soluciones planteadas es la del reciclaje químico. En el presente proyecto se trabajó la glicólisis ...
Estudo da estrutura de complexos de polieletrólitos sobre as propriedades de transporte de água e sais
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Química - PPGQ, 2015-03-25)
Polyelectrolytes complexes (PECs) are defined as materials formed by combining oppositely charged polyelectrolytes together via ionic interaction. PECs have some unique physical properties such as non-solubility in common ...
Biocomoposites of polylactic acid/ poly(butylene adipate-co-terephthalate) blends loaded with quinoa husk agro-waste : thermal and mechanical properties
(2022-08)
Quinoa husk (QH) is often discarded without being utilized. This study investigates an alternative route for this agro-waste resource as a raw material in the preparation of bioplastic composites. The effect of QH on the ...
Avaliação de composto metalorgânico contendo ferro e ácido tereftálico como adsorvente em sistema sólido-líquido e sólido-gás: inovação para soluções ambientais
(Universidade Tecnológica Federal do ParanáLondrinaBrasilPrograma de Pós-Graduação em Engenharia AmbientalUTFPR, 2021-02-26)
Human activities generate effluents and pollutants, such as surfactants and medicines, which results in a large contribution of chemical substances and their metabolites in water bodies, in addition to gases that increase ...