Oxy-cracking as an emerging technology for demineralization and conversion of petroleum coke

EasyChair Preprint 2107

Abstract

Oxy-cracking technique, which is a combination of oxidation and cracking reactions, is developed as an alternative approach for petroleum coke (petcoke) demineralization and conversion into value-added product. The oxy-cracking takes place in basic aqueous media, at mild operation temperatures (170-230 oC) and pressures (500-600 psi). The reaction mechanism was investigated at several operating conditions on petcoke oxy-cracking, such as temperature, oxygen pressure, reaction time, particle size and mixing rate to optimize the conversion and selectivity of oxy-cracked products. The oxy-cracking technique successfully converted petcoke into valuable products, particularly humic acids analogs as confirmed by FTIR, with minimal emissions of CO2. The metal contents in the obtained oxy-cracked products are significantly lower than that in the virgin petcoke. The oxidation behaviour of the oxy-cracked products was investigated using TGA. These results showed that the oxy-cracked petcoke is easier and faster to oxidize compared to the virgin petcoke, suggesting that the oxy-cracked petcoke could also be used as an alternative-clean fuel for power generation.

Keyphrases: Metal recovery, clean fuel, fuel, humic acids, petroleum coke

@booklet{EasyChair:2107,
  author    = {Abdallah D. Manasrah and Nashaat Nassar},
  title     = {Oxy-cracking as an emerging technology for demineralization and conversion of petroleum coke},
  howpublished = {EasyChair Preprint 2107},
  year      = {EasyChair, 2019}}