| abstract |
The ferrizeolite according to the invention is characterised byn a) the following approximate chemical formula:n M2/nO.Fe2O3.xSiO2n where M denotes a proton and/or a metal cationn n is the valency of the said cationn x is a number between 40 and 1000n b) an x-ray diffraction pattern, andn c) a fluorine content of between approximately 0.01% and 1.6% by weight. n<??>Application especially to processes for converting methanol into hydrocarbons, toluene alkylation with methanol and catalytic cracking of hydrocarbons. |