Results 71 to 80 of about 3,553,495 (213)
Indonesian Journal of ChemistryThe growth of heavy industry leads to an increase in sulfur dioxide emissions, impacting health, economy, and the fulfilment of the ecological needs for society. Sulfur removal is carried out using the oxidative desulfurization (ODS) method.
Amri Amri +7 more
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Choline-based Deep Eutectic Solvent for Extractive Oxidative Desulfurization of Model Oil [PDF]
E3S Web of ConferencesOne of the hardest processes encountered by petroleum refining is sulfur elimination from fuel oil. There are many traditional methods executed but they caused drawbacks such as poor selectivity of sulfur compounds and toxic raw materials.
Ravi Theaveraj +2 more
doaj +1 more source
Journal of the Japan Petroleum Institute, 2008 This selective review discusses nonhydrogenation desulfurization processes, particularly oxidative desulfurization, for the manufacture of ultra clean fuels. The environmental regulations for transportation fuels are becoming more and more severe, and the statutory sulfur content in various fuels was reduced to below 10 ppm in 2005, and will be lower ...
openaire +2 more sources
Pd(II)‐Catalyzed Strategies for the β‐Arylation of α‐Amino Acids: An Overview
Chemistry – A European Journal, Volume 32, Issue 28, 25 July 2026.The graphical abstract summarizes the review “Pd(II)‐Catalyzed Strategies for the β‐Arylation of α‐Amino Acids: An Overview”, highlighting representative Pd(II)‐catalyzed methods for the β‐arylation of α‐amino acids. Key mechanistic features, substrate diversity, and synthetic relevance of these transformations are showcased. Abstract Metal‐catalyzed C─
Davide Illuminati +4 more
wiley +1 more source
Petroleum Science, 2018 Three amphiphilic peroxophosphomolybdates [C4mim]3PMo4O24, [C8mim]3PMo4O24 and [C16mim]3PMo4O24 were synthesized and characterized. These catalysts were used for extraction and catalytic oxidative desulfurization of fuel with H2O2 as an oxidant and ionic
Beibei Zhang +8 more
doaj +1 more source
Oxidative desulfurization of VGO using carbon nanostructures created by NTP-pyrolysis of fuel oil [PDF]
E3S Web of ConferencesDesulfurization of heavy oil fractions is complicated due to the high content of stable polycyclic systems including thiophene ring. Therefore, there is a need to develop new efficient and cost-effective desulfurization methods. The catalytic activity of
Bodrikova E.R. +2 more
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Case Studies in Chemical and Environmental EngineeringThis review gives a structured evaluation of desulfurization methods, grouped by method and fuel type for clarity. It begins with hydrodesulfurization (HDS), the industry standard for removing bulk sulfur, which is less effective for refractory sulfur ...
Karim Maghfour Sarkarabad, Ahad Ghaemi
doaj +1 more source
Translational regulation by oxidative desulfuration of tRNA modifications
Nature CommunicationsModifications in the anticodon region of transfer RNA (tRNA) are essential for accurate and efficient protein synthesis. 5-Methyl-2-thiouridine derivatives (xm5s2U) are major modifications at the wobble position of tRNA anticodons decoding purine-ending two-codon sets.
Yufeng Mo +12 more
openaire +3 more sources
Chemical Engineering TransactionsThe presence of sulfur in crude oil and gasoline is crucial in both environmental and industrial contexts. This paper explores the intricate nature of sulfur, including elemental sulfur, hydrogen sulfide, carbonyl sulfide, and various organic compounds ...
Kate Andre T. Alviar +3 more
doaj
Ultrasound-Assisted Oxidative Desulfurization of Diesel
Journal of Engineering, 2016 Due to the dramatic environmental impact of sulfur emissions associated with the exhaust of diesel engines, last environmental regulations for ultra-low-sulfur diesel require a very deep desulfurization (up to 15 ppm), which cannot be met by the ...
Niran K. Ibrahim, Prof. Dr. +2 more
doaj +2 more sources