Methanol reforming reactions over Zn/TiO2 catalysts

Autor: Umberto Costantino, F. Pinzari, Pasquale Patrono
Rok vydání: 2006
Předmět:
Zdroj: Catalysis communications
7 (2006): 696–700. doi:10.1016/j.catcom.2006.02.015
info:cnr-pdr/source/autori:F. Pinzari (a); P. Patrono (a); U. Costantino (b)/titolo:Methanol reforming reactions over Zn%2FTiO2 catalysts/doi:10.1016%2Fj.catcom.2006.02.015/rivista:Catalysis communications (Print)/anno:2006/pagina_da:696/pagina_a:700/intervallo_pagine:696–700/volume:7
ISSN: 1566-7367
DOI: 10.1016/j.catcom.2006.02.015
Popis: It has been proved that a novel class of catalysts containing only titanium and zinc oxides with different Zn/Ti molar ratio is able to produce hydrogen by methanol reforming. Catalysts were characterised by X-ray diffraction. The influence of the reaction temperature, fed composition and catalyst composition were investigated. The best catalyst performances were obtained when χ Zn = 0.05. A comparative study on the steam reforming of methanol and combined reforming of methanol reactions was performed at the same conditions. The main by-products were CO, (CH 3 ) 2 O and CH 4 . Coke was formed when χ Zn ⩽ 0.02. In particular it was verified that a proper amount of zinc in the catalyst prevented coke and reduced by-products formation, however if χ Zn ⩾ 0.10 it limited the catalyst performances reducing surface area and forming zincite.
Databáze: OpenAIRE