PROCESS FOR THE PRODUCTION OF PETROLEUM TAR PITCH FOR USE AS A BINDER IN THE PRODUCTION OF ELECTRODES
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United States of America Patent
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May 4, 2017
app pub date -
Nov 3, 2015
filing date -
Nov 3, 2015
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A process for the production of petroleum tar pitch with the using a fresh hydrocarbon feedstock, preheating it, treating the heated feedstock and passing fractionating the treated feedstock into gases, light distillates and a bottom fractionation stream, then dividing the bottom fraction stream into a recycle stream and a cracked fraction stream and using the cracked fraction stream in a reduced pressure distillation tower so that the light cracked fraction is fractionated light vacuum gas oil, heavy vacuum gas oil and a high quality petroleum tar pitch.
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