METHOD FOR PREPARING ACROLEIN AND/OR ACRYLIC ACID Russian patent published in 2006 - IPC C07C45/35 C07C51/25 C07C45/33 C07C51/215 C07C47/22 C07C57/04 

Abstract RU 2285690 C2

FIELD: organic chemistry, chemical technology.

SUBSTANCE: invention relates to a method for synthesis of acrolein and/or acrylic acid from propane and/or propene. Method involves the following steps: (a) isolating propane and/or propene from gaseous mixture A containing propane and/or propene by their absorption with adsorbent; (b) isolating propane and/or propene from adsorbent to form gas B containing propane and/or propene, and (c) using gas B obtained in stage (b) for oxidation of propane and/or propene to acrolein and/or acrylic acid wherein the heterogeneous catalytic dehydrogenation of propane without feeding oxygen is not carried out. Method shows economy and maximal exploitation period of used catalyst without its regeneration.

EFFECT: improved method of synthesis.

12 cl, 7 dwg, 1 ex

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RU 2 285 690 C2

Authors

Makhkhammer Otto

Adami Kristof

Khekhler Klaus

Tsener Peter

Dates

2006-10-20Published

2001-06-13Filed