Results 91 to 100 of about 8,448 (204)
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
doaj +1 more source
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
Evolutionary and molecular foundations of multiple contemporary functions of the nitroreductase superfamily. [PDF]
, 2017 Insight regarding how diverse enzymatic functions and reactions have evolved from ancestral scaffolds is fundamental to understanding chemical and evolutionary biology, and for the exploitation of enzymes for biotechnology.
Akiva, Eyal +3 more
core +1 more source
Thiophene Derivatives as Versatile Precursors for (Hetero)Arene and Natural Product Synthesis
Angewandte Chemie International Edition, Volume 65, Issue 5, 28 January 2026.Hidden but Powerful: Thiophenes and their saturated analogues have been demonstrated to be versatile C4‐building blocks that can be rapidly applied to natural product synthesis and the construction of functionalized (hetero)arenes. This minireview aims to provide a concise overview of the strategies and implementations of these sulfur‐containing ...
Anna Keimer, Franz‐Lucas Haut
wiley +1 more source
Characteristics of dibenzothiophene desulfurization by Rhodococcus erythropolis R1 and its Dsz-negative mutant [PDF]
, 2014 Introduction: Biodesulfurization is used as a selective method for lowering the sulfur content of petroleum products. Materials and methods: A sulfur-oxidation bacterial strain named Rhodococcus erythropolis R1 (NCBI GenBank Accession No.
Seyed Hamid Zarkesh-Esfahani +2 more
core
Carbon−Phosphorus Bond Activation of Tri(2-thienyl)phosphine at Dirhenium and Dimanganese Centers [PDF]
, 2009 Reaction of [Re2(CO)9(NCMe)] with tri(2-thienyl)phosphine (PTh3) in refluxing cyclohexane affords three substituted dirhenium complexes: [Re2(CO)9(PTh3)] (1), [Re2(CO)8(NCMe)(PTh3)] (2), and [Re2(CO)8(PTh3)2] (3).
Begum, Noorjahan +12 more
core +2 more sources
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
Удаление сернистых соединений из дизельной фракции комбинацией окисления и экстракции [PDF]
, 2011 Представлены результаты процесса окислительного обессеривания (комбинация окисления с последующей экстракцией) прямогонной дизельной фракции с высоким исходным содержанием серы.
Головко, А. К. +2 more
core
Photocatalytic Activity and Mechanical Properties of Cements Modified with TiO2/N [PDF]
, 2019 In this paper, studies of the mechanical properties and photocatalytic activity of new photoactive cement mortars are presented. The new building materials were obtained by the addition of 1, 3, and 5 wt % (based on the cement content) of nitrogen ...
Janus, Magdalena +5 more
core +1 more source
Ultrasound field distribution and ultrasonic oxidation desulfurization efficiency
Ultrasonics Sonochemistry, 2013 Ultrasonic oxidation desulfurization (UODS) has been considered a promising method for deeply desulfurization technology since it can be carried out using mild conditions. During the last few decades many experimental investigations have been carried out on optimizing the reaction condition such as ultrasonic irradiation time, oxidizing reagents amount,
Liyan, Liu +3 more
openaire +2 more sources