[HTML][HTML] Thermal and catalytic pyrolysis of plastic waste

D Almeida, MF Marques - Polímeros, 2016 - SciELO Brasil
The amount of plastic waste is growing every year and with that comes an environmental
concern regarding this problem. Pyrolysis as a tertiary recycling process is presented as a …

[HTML][HTML] Zeólitas hierarquicamente estruturadas

STF Grecco, MC Rangel, EA Urquieta-González - Química Nova, 2013 - SciELO Brasil
This review presents the main characteristics and properties of microporous (zeolites) and
ordered mesoporous materials, focusing on structural aspects and preparation. In addition …

Remoção de metais pesados em solução por zeólitas naturais: revisão crítica

MC Shinzato - Revista do Instituto Geológico …, 2007 - revistaig.emnuvens.com.br
Nesta síntese são discutidos os resultados de trabalhos publicados nos últimos anos
referentes à aplicação das zeólitas naturais na remoção de metais pesados em solução. A …

Hydrogenolysis of glycerol to 1, 2-propanediol without external H2 addition in alkaline medium using Ni-Cu catalysts supported on Y zeolite

TS de Andrade, MMVM Souza, RL Manfro - Renewable Energy, 2020 - Elsevier
Abstract Ni, Cu and Ni-Cu catalysts supported on NaY-zeolite (NaY) were prepared with 20
wt% of each metal by using wet impregnation method. They were characterized by X-ray …

[HTML][HTML] Zeolites in poultry and swine production

AF Schneider, OF Zimmermann, CE Gewehr - Ciência Rural, 2017 - SciELO Brasil
Zeolites are minerals that have intriguing properties such as water absorption, ion
adsorption and cation exchange capacity. There are approximately 80 species of natural …

Thermal and catalytic pyrolysis of polyvinyl chloride using micro/mesoporous ZSM-35/MCM-41 catalysts

MJB de Souza, THA Silva, TRS Ribeiro… - Journal of Thermal …, 2020 - Springer
Micro/mesoporous catalysts of ZSM-35/MCM-41 type were developed by mechanical
synthesis method with the objective to use on the catalytic pyrolysis of PVC. They were …

[HTML][HTML] Síntese hidrotermal de sodalita básica a partir de um rejeito de caulim termicamente ativado

SPA Paz, RS Angélica, RF Neves - Química Nova, 2010 - SciELO Brasil
Basic sodalite was successfully synthesized by hydrothermal method using kaolin waste as
source of Aluminum and Silicon. This waste is mainly composed by kaolinite and is …

[HTML][HTML] Interzeolitic transformation of clinoptilolite into GIS and LTA zeolite

RCF de Lima, DS Oliveira, SBC Pergher - Minerals, 2021 - mdpi.com
A natural clinoptilolite zeolite was transformed into other zeolites of greater industrial
interest, such as zeolites with GIS and LTA structures. The synthesis conditions were …

[HTML][HTML] Estabilidade térmica da zeólita A sintetizada a partir de um rejeito de caulim da Amazônia

AAB Maia, RS Angélica, RF Neves - Cerâmica, 2008 - SciELO Brasil
Zeólita A foi calcinada nas temperaturas de 200, 400, 600, 800 e 1000° C/2 h para estudar
sua estabilidade térmica. A síntese foi feita a partir de um rejeito de beneficiamento de …

[HTML][HTML] Use of a low-cost template-free ZSM-5 for atmospheric petroleum residue pyrolysis

VPS Caldeira, AGD Santos, SBC Pergher, MJF Costa… - Química …, 2016 - SciELO Brasil
To understand the physicochemical properties and catalytic activity during the pyrolysis of
atmospheric petroleum residue, a template-free ZSM-5 zeolite was synthesized using a …