Thermal DeOxygenation (TDO) is a robust thermochemical conversion scheme to produce hydrocarbons from biomass feedstock. The process targets the carbohydrate fraction of yield broad mixture primarily aromatic within boiling point range 348–798 K with low oxygen content (<4 wt%). resulting materials are amenable traditional hydrotreating and distillation processes approximately 70% by mass in di...

This research thesis validates the potential of tall oil as a renewable feedstock for the production of base-chemicals, especially olefins, as conceived in the thermo-chemical bio-refinery concept. The focus was on the use of hydrotreating and steam cracking technologies with different tall oil feedstocks. Particular advances were accomplished in terms of technology development for high yield o...

Concerns about the environmental effect of anthropocentric greenhouse gas emissions and depletion global crude oil reserves are driving initiatives to discover renewable energy sources for transportation sector. Biodiesel derived from (vegetable animal fats) has been widely accepted as an adequate substitute petroleum-based diesel fuel in daily transport vehicles around world because it is a fu...

Abstract Bio-oil produced from biomass pyrolysis has the potential to become an alternative renewable fuel. However due high content of oxygenated compounds is unsuitable as transportation The objective this work evaluate catalytic activity CoMo /γ-Al 2 O 3 -HMS in hydrotreating process bio-oil. prepared catalyst was characterized by different techniques (X-ray diffraction (XRD), transmission e...

Conversional hydrotreating catalysts mostly use Ni-promoted MoS2 as active sites. Modifying conventional hydrotreating catalyst surface of MoS2 by selectively introducing carbon atom into catalyst crystal structure can lead to an improved electronic property, increased capability of hydrogen adsorption and dissociation. Such process will effectively increase catalyst hydrogenation activity and ...

−The current technologies for achieving low sulfur in diesel fuel are based on hydrotreating, which requires high temperature, high pressure and excessive supply of hydrogen. Oxidative desulfurization (ODS) is considered one of the promising new methods for super deep desulfurization, which could be carried out under very mild conditions (atmospheric pressure, <100 oC) without consumption of hy...

In order to produce petroleum alternatives from biomass, a significant amount of research has been focused on oils from microalgae due to their origin, which would not affect food availability. Nanoporous hybrid catalysts composed of ns Al₂O₃ and zeolites have been proven to be very useful compared to traditional catalysts in hydrotreating (HT), hydrocracking (HC), and catalytic cracking (CC) o...