Process for the preparation of chlorobenzene
AssigneeEuteco S.p.A.
InventorsRoberto Canavesi, Roberto Ghezzi, Giorgio Podesta
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Abstract
Chlorobenzene is produced by contacting a gaseous flow comprising benzene, oxygen and a halogenating agent, at a temperature of from 190.degree. to 230.degree. C., with a fluidized bed of catalyst particles comprising copper chloride deposited on an eta alumina support having a total volume of pores of from 0.3 to 0.5 ml/g and a surface area of from 250 to 400 m.sup.2 /g.
Claims8
A method for the production of chlorobenzene, which comprises contacting a gaseous flow comprising benzene, oxygen and a halogenating agent selected from the group consisting of hydrogen chloride and mixtures of the latter with chlorine and/or chloral, at a temperature of from 190.degree. to 230.degree. C., with a fluidized catalyst comprising copper chloride deposited on a granular support, the support consisting essentially of alumina in the crystallographic form eta, having a total volume of pores of from 0.3 to 0.5 ml/g with at least 90% of the said volume attributable to pores with a radius of less than 40 A, and a surface area of from 250 to 400 m.sup.2 /g with at least 90% of the said surface area attributable to pores with a radius of less than 30 A, these values being determined according to the B.E.T. method by absorption of nitrogen at liquid nitrogen temperature.
Dependencies are inferred from the claim text.