A crude oil feedstock or crude oil fractions containing pitch feedstock is pyrolyzed in a pyrolysis furnace....http://www.google.fr/patents/US6632351?utm_source=gb-gplus-shareBrevet US6632351 - Thermal cracking of crude oil and crude oil fractions containing pitch in an ethylene furnace
Thermal cracking of crude oil and crude oil fractions containing pitch in an ...
