Nowadays, the output of light crude oil is approaching its peak, which has shifted the
attentions of petroleum industry to a large quantity of heavy oil and bitumen in order to offset …

The decomposition of hydrogen sulfide (H 2 S) with simultaneous hydrogen (H 2) generation
offers a sustainable energy production option and an environmental pollution abatement …

The selective removal of nitrogen-containing compounds from oil and oil fractions is of
interest because of the potential deleterious impact of such compounds on products and …

In petroleum science, asphaltenes are well-known as the most refractory fraction of crude oil
and remain infamous for problems in production, transportation, and refining processes …

The molecules in petroleum asphaltenes follow a molecular structure continuum similar to
the rest of the oil but differ in the formation of nanoaggregates in solution. The nature of the …

abstract Due to the increased demand for energy resources these days, especially due to
the Russian-Ukrainian war, the focus of the major countries is turning strongly towards …

In the past, transportation of heavy and bitumen to downstream refineries has been
accomplished by either adding a diluent or converting the vacuum residue to produce a …

Asphaltenes comprise the heaviest and least understood fraction of crude petroleum. The
asphaltenes are a diverse and complex mixture of organic and organometallic molecules in …

Effective catalytic hydrotreatment of highly nitrogenous biocrudes derived from the
hydrothermal liquefaction (HTL) of primary sewage sludge and microalga Spirulina biomass …

For four decades, Petroleum Refining has guided thousands of readers toward a reliable
understanding of the field, and through the years has become the standard text in many …