Process for the conversion of pitch into crystalloidal pitch

Details Process for the conversion of pitch into crystalloidal pitch Process for the conversion of pitch into crystalloidal pitch

C - Chemistry, Metallurgy

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C

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C10C 3/00 (2006.01) C01B 31/00 (2006.01) C04B 35/528 (2006.01) C10C 3/14 (2006.01)

Patent

CA 1051806

PROCESS FOR THE CONVERSION OF PITCH INTO CRYSTALLOIDAL PITCH ABSTRACT OF THE DISCLOSURE: Crystalloidal pitch is obtained by subjecting solid pitch particles measuring not more than 5 mm in cross-sectional equivalent diameter to a treatment for proofing the individual particles against mutual fusion and subsequently bringing the fusion-proofed solid pitch particles into contact with a non- oxidative gas at temperatures of from 350°C to 550°C and, during the contact, allowing the solid pitch particles to retain a void ratio of not less than 30% by volume. The crystalloid pitch is useful as a precursor for various carbon products.

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