Catalysts for catalytic pyrolysis of phenol distillation...

Details Catalysts for catalytic pyrolysis of phenol distillation... Catalysts for catalytic pyrolysis of phenol distillation...

C - Chemistry, Metallurgy

07

C

252/1, 260/624.9

C07C 37/74 (2006.01) C07C 37/00 (2006.01) C07C 37/86 (2006.01) C07C 39/06 (2006.01) C07C 409/10 (2006.01)

Patent

CA 1303590

ABSTRACT The catalysts for use in pyrolytic decomposition of the phenol distillation residue in accordance with the present invention are used in pyrolytically decomposing a distillation residue resulting from the separation by distillation of cumene, phenol and acetone from a reaction mixture obtained by oxidizing cumene with molecular oxygen followed by acid cleavage, and the present catalysts are characterized by comprising oxygen containing metallic compounds having a particle diameter of 0,002-100 µm. Furthermore, the processes for recovering useful substances from a phenol distillation residue containing the same in accordance with the present invention are characterized by allowing said phenol distillation residue to undergo pyrolytic reaction at a temperature of 200- 350°C, preferably 250-300°C, in the presence of the above- mentioned oxygen containing metallic compound catalysts having a particle diameter of 0.002-100 µm, thereby recovering the useful substance such as cumene, phenol and the like from the phenol distillation residue.

563610

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