Desulfurization wastewater is industrial wastewater with a high salt content, high metal ions, and high hardness produced by flue gas desulfurization of the limestone-gypsum method in coal-fired power plants. This paper summarizes the source of desulfurization wastewater, water quality characteristics, water quality impacts, and …
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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 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 …
Desulfurization of of fuel Using Imidazolium-based ILs N-butylimidazole-derived dialkylphosphate ionic liquids are demonstrated to be effective for extractive removal of …
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 …
Semantic Scholar extracted view of "Deep eutectic solvents with multiple catalytic sites for highly efficient extractive and oxidative desulfurization" by Shengqin Guan et al.
In order to solve the environmental hazards of desulfurization wastewater and real-ize zero discharge and resource recycling at an early date, many research units and enter-
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.
CuY and AgY zeolites were studied as selective sorbents for the desulfurization of liquid fuels. Thiophene and benzene were used as the model system, and vapor-phase isotherms were measured. Compared to NaY, CuY and AgY adsorbed significantly larger amounts of both thiophene and benzene at low pressures as a result …
Adoption of new technology advancements such as Sulfex™ Desulfurization will help to significantly reduce refining emissions and have a positive impact on the …
Semantic Scholar extracted view of "Cu, Zn-embedded MOF-derived bimetallic porous carbon for adsorption desulfurization" by Q. Huo et al.
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.
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.
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 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
Semantic Scholar extracted view of "A review of electrochemical desulfurization technologies for fossil fuels" by Vincent Lam 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, …
Nakhon Pathom, Thailand. Previous Article; Next Article; Article Navigation. ... Further evaluation on the EIL for desulfurization process was carried out in a photo-reactor in the presence of photocatalyst Cu-Fe/TiO 2 and H 2 O 2. To measure the sulfur removal efficiency, the oil phase was analysed with HPLC. ... Li, Z., Cui, Y., Li, C ...
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 …
Semantic Scholar extracted view of "Microporous boron nitride-based porous ionic liquid for enhanced extractive desulfurization of fuel" by Lianwen He et al.
Through the purification technology of flue gas desulfurization, ultralow emissions of SO 2 flue gas in industrial flue gas can be achieved. This article involves dry desulfurization, semi-dry desulfurization, and wet desulfurization technologies.
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Li et al. found that the mean PM 2.5 concentrations sampled from the outlet of the flue gas desulfurization facility was higher than that from the inlet, and the contribution of ionic components from the outlet and inlet showed the same trend.
Wet flue gas desulfurization or scrubber systems are an excellent way of reducing the sulfur dioxide emissions caused by coal combustion boilers. The flue gas discharged from the boiler is fed into the absorber. In the …
A template-free solvent-mediated synthesis of high surface area boron nitride nanosheets for aerobic oxidative desulfurization†
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, …
The hydrodesulfurization process is one of the common methods for removing sulfur. Due to costly technical challenges to eliminate sulfur compounds and …
Nowadays, desulfurization of liquid fuels is inevitable because of strict environmental and industrial regulations on liquid fuels specifications. Hydrodesulfurization (HDS) technology has been used widely to produce fuels with ultralow sulfur content (S ≤ 10 ppm). However, this method is not effective enough for removing refractory sulfur …
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 …