Apparatus for production of crystallizable carbonaceous material
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United States of America Patent
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Sep 6, 1988
Issued Date -
N/A
app pub date -
Feb 14, 1986
filing date -
Jun 1, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A heavy oil such as an atmospheric pressure residue, a reduced pressure residue of petroleum, etc. is heated to 400.degree. to 500.degree. C. to carry out polycondensation and provide a pitch containing mesophase microspheres. This pitch is once cooled to 200.degree. to 400.degree. 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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