Method and apparatus for production of crystallizable...

Details Method and apparatus for production of crystallizable... Method and apparatus for production of crystallizable...

C - Chemistry, Metallurgy

10

C

196/36

C10C 3/14 (2006.01) C10C 3/00 (2006.01)

Patent

CA 1177006

ABSTRACT OF THE DISCLOSURE A heavy oil such as an atmospheric pressure residue, a reduced pressure residue of petroleum, etc. is heated to 400 to 500°C to carry out polycondensation and provide a pitch containing mesophase microspheres. This pitch is once cooled to 200 to 400°C and a turbulent flow is imparted thereto to cause agglomeration of the mesophase microspheres. The resulting agglomerates are separated to obtain a crystallizable material enriched with quinoline insolubles. Production of the crystallizable material is preferably conducted in a separation tank accommodating- the lower part of a heating polycondensation reactor (6) and having a stirring device (12).

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