AN IMPROVED PROCESS FOR THE PREPARATION OF STYRENE

Application 91/DEL/2000 published 2007-02-09, filed 2000-02-03
The invention relates to an improved process for the preparation of styrene. Process steps are: passing a feed consisting of ethyl benzene and air/oxygen on a preheated BED at a temperature in the range of 350 to 650 degree C of transition metal doped stabilized zirconia catalyst consisting coprecipitating zirconium, yttrium and transition metal hydroxides/carbonates/oxalates at Weight Hourly Space Velocity (WHS) in the range of 0.4 to 5.0 per hr, collecting styrene by conventional method such as herein described.

Applicant

1)C.S.I.R.
:RAFFI MARG NEW DELHI-110001 Delhi India

Inventor

1)PARTHASARATHY GANGULY, 2)SHIVARAM DATTATRAYA SATHAYE, 3)SHIRISH DATTATRAY PRADHAN 4)IMTIAZ SIRAJUDDIN MULLA 5)SUGUNA DAYANAND ADYANTHAYA,

International Info

Classification: C07D 301/08
Publication Number: Not Applicable