The challenges of hydrodesulfurization for desulfurizing the refractory sulfur compounds of
petroleum fuels are prompting researchers to investigate the different non-conventional …

Natural surfactants or biosurfactants are amphiphilic biological compounds, usually
extracellular, produced by a variety of microorganisms from various substances including …

Sulfur compounds represent one of the most common impurities present in the crude oil.
Sulfur in liquid fuel oil leads directly to the emission of SO2 and sulfate particulate matter …

Sulfur content of diesel fuel has been cut down to ultra low levels by environmental
regulation in many countries with the aim of reducing diesel engine's harmful emissions and …

The world focus on environmentally friendly fuels requires refiners to convert the
increasingly poor-quality crude oil into high-quality finished products. Refineries are facing …

Biosurfactants are surface active compounds released by microorganisms. They are
biodegradable non-toxic and ecofreindly materials. In this review we have updated the …

We, the named authors, hereby wholly retract this Catalysis Science & Technology article,
due to significant similarity with previously published work. Signed: B. Pawelec, RM Navarro …

This review discusses some of the processes that have been, or are being, developed as an
alternative/addition to present-day hydrodesulphurization processes that are based on …

Heterocyclic polynuclear aromatic hydrocarbons (PAHs) have been detected in all
environmental matrices at few ppb to several ppm concentrations and they are characterized …

Besides the techno-economic feasibility of the circular economy, the environmental
sustainability of the value chain is a crucial issue in further development and …