Superkritisk hydrogenering

摘要

PCT No. PCT/GB97/01014 Sec. 371 Date Feb. 18, 1999 Sec. 102(e) Date Feb. 18, 1999 PCT Filed Apr. 11, 1997 PCT Pub. No. WO97/38955 PCT Pub. Date Oct. 23, 1997Process for the selective hydrogenation of alphatic or aromatic substrates under supercritical or near critical conditions. Hydrogenation is effected using a heterogeneous catalyst in a continuous flow reactor containing a supercritical or near critical reaction medium and selectively of product formation is achieved by varying one or more of the temperature, pressure, catalyst and flow rate.