The catalytic activity of a body for dimethyl ether synthesis from syngas

摘要

1. Catalytically active body for the synthesis of dimethyl ether from synthesis gas comprising a mixture of: (A) 70-95 wt% active with respect to methanol component selected from the group consisting of copper oxide, aluminum oxide, zinc oxide, an amorphous oxide. aluminum ternary oxide or mixtures thereof; (B) 5-30% by weight of acidic component comprising a zeolite material.; and (C) 0-10 wt% of at least one additive, wherein the sum of components (A), (B) and (C) is 100 wt%, wherein component (B) can be prepared by a process comprising the steps of:.. b1) preparing a mixture comprising one or more sources SiOi / or AlOi one or more cation-containing alkeniltrialkilammonievy RRRRNsoedineny as reagent for the formation of the guide structure, wherein R, r and independently of one another are alkyl; and Rs is alkylene; ib2) crystallizing the mixture obtained in step (b1), to obtain zeolitic materiala.2. Catalytically active body according to Claim. 1, where R, r and R b guide the reagent to form a structure independently of one another denote (C-C) alkyl and Rs is (C-C) -alkenil.3. Catalytically active body according to claim. 2, where R, r and R b guide the reagent to form a structure independently of one another are branched or unbranched and Rs propyl 2-propen-1-yl or 1-propen-1-il.4. Catalytically active body according to claim. 3, wherein the guide structure to form the reagent obtained in step (b1), include N- (2-propen-1-yl) -tri-n-propilammoniygidroksid, N- (1-propen-1 yl) -tri-n-propilammoniygidroksid or N- (1-propen-2-yl) -tri-n-propilammoniygidroksid or mixtures of two or more of nih.5. Catalytically active body according to Claim. 1, wherein the component (A) has a particle size distribution characterized by a D-value of 10 equal to 3-140 microns