The renewed interest in ULSD research is driven by the need, to have a comprehensive understanding of the various factors influencing deep desulfurization of …
Semantic Scholar extracted view of "In situ encapsulated molybdovanaphosphodic acid on modified nanosized TS-1 zeolite catalyst for deep oxidative desulfurization" by MingLi Bi et al.
A template-free solvent-mediated synthesis of high surface area boron nitride nanosheets for aerobic oxidative desulfurization†
Semantic Scholar extracted view of "Microporous boron nitride-based porous ionic liquid for enhanced extractive desulfurization of fuel" by Lianwen He et al.
Oxygen atoms usually co-exist in the lattice of hexagonal boron nitride (h-BN). The understanding of interactions between the oxygen atoms and the adsorbate, however, is still ambiguous on improving adsorptive desulfurization performance.
Semantic Scholar extracted view of "Deep eutectic solvents with multiple catalytic sites for highly efficient extractive and oxidative desulfurization" by Shengqin Guan et al.
This Concept article summarizes the development of different desulfurization strategies for peptide and protein chemical synthesis. Cysteine-based native chemical ligation (NCL) has been a very powerful approach for convergent synthesis of peptides and proteins. However, owing to the low abundance of cysteine (Cys) in proteins, …
Reliance on crude oil remains high while the transition to green and renewable sources of fuel is still slow. Developing and strengthening strategies for red...
The formation and extractive desulfurization (EDS) mechanisms of aromatic acid based deep eutectic solvents (DESs) were studied experimentally and through quantum chemistry calculations and showed that van der Waals forces and other weak interactions were the main diving forces for EDS, and the structures of the aromaticacid …
New sorbents for the desulfurization of liquid fuels were developed using π-complexation. Vapor-phase adsorption isotherms were investigated to understand the interaction between benzene/thiophene and various kinds of sorbents, including Ag−Y, Cu−Y, Na−Y, H−USY, Na−ZSM-5, activated carbon, and modified activated alumina.
Adsorptive desulfurization of model fuel was studied through batch and continues processes under mild temperature and normal atmospheric pressure.
Semantic Scholar extracted view of "Imidazole-Methane Sulfonic Ionic Liquids Used for Catalytic Alkylation Desulfurization and Enhancement of Microchannel Technology" by Jingjing Li et al.
Limestone is natural sedimentary rock deposit composed of calcium carbonate which can be used in many industries depends on percent of calcium deposits; Construction …
Research shows that the emergence of ionic liquid analogues—deep eutectic solvents (DESs)—has provided a new opportunity for the deep extraction desulfurization of fuels because of their cheap and easily obtained raw materials, higher extraction desulfurization efficiencies, and simple and environmentally friendly synthesis process. In this ...
Introduction of Extractive Desulfurization of Fuels by ILs. In recent years, as a kind of green solvent with low vapor pressure, nonvolatile, low melting point, wide liquid path, good electrical and thermal conductivity, high heat capacity and stability, and strong solubility selectivity, ionic liquids (ILs) have been widely used in extractive …
Meng, X., Zhou, P., Li, L. et al. A study of the desulfurization selectivity of a reductive and extractive desulfurization process with sodium borohydride in polyethylene glycol.
The presence of organic sulfides in fuels has become a significant contributing factor to the formation of haze weather. The desulfurization of fuels has become a frontier scientific topic demanding urgent solutions. Research shows that acidic deep eutectic solvents (DESs) can provide a new route for the dee
Strict environmental laws have been put in place around the world to reduce the amount of sulfur in the fuel to reduce the emissions of harmful gases from fuel combustion and improve air quality. Therefore, extensive researches have been undertaken to devise effective processes or to improve the desulfurization processes. Among the …
A series of imidazole- and pyridine-based dicationic ionic liquids (DILs) were synthesized and employed in extractive desulfurization (EDS) for the removal of sulfur compounds from commercial fluid catalytic cracking (FCC) gasoline. The influence parameters in the EDS process and regeneration of DILs are discussed. Under optimum …
The optimized BN-P123 adsorbent displays porous structure with a high surface area about 1185 m 2 /g and exhibits excellent adsorptive desulfurization activity for dibenzothiophene (45.7 mg S/g adsorbent for 500 ppmw sulfur model oil), which is comparable or even superior to the state-of-the-art adsorbent. Additionally, this activated …
The rate of S-compounds conversion decreased in the order; 4,6-DMBT > DBT > BT > T. On the other hand, Li et al. [122] also investigated the removal of S-compounds via anaerobic ... While desulfurization technology is a key process in oil refining with the common goal of increasing fuel quality and environmental protection, …
This paper analyzes and summarizes these desulfurization technologies, which can provide help for the optimization of desulfurization technologies. A better …
Harvesting clean energy from fuel feedstocks is of paramount significance in the field of environmental science. In this dynamic area, desulfurization provides a valuable contribution by eliminating sulfur compounds from fuel feedstocks to ensure the utilization of fuels without the emission of toxic sulfur
The main problems existing in biodesulfurization and possible solutions are also analyzed in this paper. Biological desulfurization is a promising method for desulfurization; accordingly, more studies investigating biodesulfurization of actual oil are needed to enable the industrialized application of biodesulfurization.
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The hydrodesulfurization process is one of the common methods for removing sulfur. Due to costly technical challenges to eliminate sulfur compounds and …
Imidazole-methane sulfonic ionic liquids (C 4 (MIM)-MSA) were synthesized and used for catalytic alkylation of thiophene. The determination of sulfur content in alkylated desulfurized oil shows that the ionic liquid has …
Why destroy the green image of biogas with chemical desulfurization? We can do the job without ferric chloride, caustic soda, iron sponge or activated carbon. Our desulfurization …
Desulfurization of of fuel Using Imidazolium-based ILs N-butylimidazole-derived dialkylphosphate ionic liquids are demonstrated to be effective for extractive removal of …
Adsorptive desulfurization involves the removal of organic sulfur compounds from petroleum fractions by physicochemical adsorption processes. This is a low temperature and pressure technique and does not need costly hydrogen. The efficiency of adsorptive desulfurization depends mostly on the adsorbent's textural properties.
Water 2024, 16, 900 3 of 15 2. Conventional Treatment Technologies for Desulfurization Wastewater In order to solve the environmental hazards of desulfurization wastewater and realize
حقوق النشر والنسخ؛ 2024.Aava جميع الحقوق محفوظة.خريطة الموقع