Results 171 to 180 of about 14,272 (226)

Surface-Engineered Amino-Graphene Oxide Aerogel Functionalized with Cyclodextrin for Desulfurization and Denitrogenation in Oil Refining. [PDF]

Gels
Duan Z, Zhang H, Tong Q, Li Y, Bian H, Zhang G.   +5 more
europepmc   +1 more source

Integrated Omics Approaches to Explore a New System of Genetic Control of Dibenzothiophene Desulfurization and Aromatic Ring Cleavage by Gordonia alkanivorans Strain 135. [PDF]

Biology (Basel)
Frantsuzova E, Bogun A, Vetrova A, Kazakova E, Kusainova T, Tarasova I, Pozdnyakova-Filatova I, Delegan Y.   +7 more
europepmc   +1 more source

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Dibenzothiophene-Containing Thiacarbaporphyrinoids

The Journal of Organic Chemistry, 2023
A new type of expanded dibenzothiophene-containing thiacarbaporphyrinoid containing one dibenzothiophene, two p-phenylene, one thiophene, and two pyrrole rings connected via four meso carbons and two direct bonds was synthesized over a sequence of six steps starting with commercially available dibenzothiophene.
Gurpreet Kaur, Nisha Rawat, Mangalampalli Ravikanth   +2 more
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Adsorptive Removal of Dibenzothiophene and Dibenzothiophene Sulfone over Mesoporous Materials

Industrial & Engineering Chemistry Research, 2017
Dibenzothiophene (DBT, a typical sulfur compound) and dibenzothiophene sulfone (DBTO2, an oxidation product of DBT) were chosen as the model compounds, and their adsorption over a mesoporous silica (MCM-41) and a mesoporous carbon (CMK-3) were conducted under the exact same conditions.
Yawei Shi, Guozhu Liu, Xiangwen Zhang
openaire   +2 more sources

Oxidation of dibenzothiophene to dibenzothiophene-sulfone using silica gel

Journal of Catalysis, 2009
The oxidation of dibenzothiophene (DBT) to dibenzothiophene-sulfone (DBT-sulfone) has been a topic of particular interest in the past few years, as a possible technique to remove sulfur from crude oil. In this manuscript we show that the oxidation of DBT to DBT-sulfone occurs using silica and does not require the addition of an external oxidizing agent.
Karina Castillo, J.G. Parsons, David Chavez, Russell R. Chianelli   +3 more
openaire   +1 more source

Structure of dibenzothiophen

Journal of the Chemical Society A: Inorganic, Physical, Theoretical, 1970
Crystals of dibenzothiophen are monoclinic, a= 8·67 ± 1, b= 6·00 ± 1, c= 18·70 ± 2 A, β= 113·9°, Z= 4, space group P21/c. The structure was determined with Mo-Kα diffractometer data by Patterson, electron-density, and least-squares methods, the final R being 0·083 for 1176 observed reflexions.
Roger M. Schaffrin, James Trotter
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Desulphurization of dibenzothiophene by bacteria

World Journal of Microbiology & Biotechnology, 1994
Four out of 187 strains, from enrichment cultures of dibenzothiophene (DBT), grew on DBT or thiophene 2-carboxylate as S sources. The four isolates, presumptively identified as Agrobacterium sp., Xanthomonas sp. and Corynebacterium spp., individually and together desulphurized DBT, producing 2-hydroxybiphenyl and sulphate.
M, Constantí, J, Giralt, A, Bordons
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Biotransformation of dibenzothiophene to dibenzothiophene sulfone by Pseudomonas putida

Canadian Journal of Microbiology, 1989
A strain of Pseudomonas putida was isolated that transforms dibenzothiophene (DBT) to DBT sulfone (DBT-5-dioxide) via DBT-5-oxide. It also degrades DBT to 3-hydroxy-2-formyl benzothiophene via an alternate and previously described pathway, and to an unidentified red crystalline compound.
MeLanie R. Mormile, Ronald M. Atlas
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Solid−Liquid Equilibria of Dibenzothiophene and Dibenzothiophene Sulfone in Organic Solvents

Journal of Chemical & Engineering Data, 2007
This work reports the solid−liquid equilibria of several binary systems formed by solvent (1) + dibenzothiophene (2) and solvent (1) + dibenzothiophene sulfone (2). At least six experimental points were obtained to trace the solid−liquid equilibrium curve, using the visual technique to determine the change of phase.
Luis F. Ramírez-Verduzco, Aarón Rojas-Aguilar, José A. De los Reyes, José A. Muñoz-Arroyo, Florentino Murrieta-Guevara   +4 more
openaire   +1 more source