Effect of ultrasonic irradiation treatment on rheological behaviour of extra heavy crude oil: A solution method for transportation improvement
Sign Up to like & getrecommendations! Published in 2017 at "Canadian Journal of Chemical Engineering"
DOI: 10.1002/cjce.22676
Abstract: The highly viscous property of heavy oil often causes problems in its transportation in pipelines. Mixing heavy oil with light oil as well as ultrasound treatment are viable solutions to this problem. In this study,… read more here.
Keywords: heavy crude; ultrasonic irradiation; crude oil; extra heavy ... See more keywords
Combination of Vortex Agitation and Ultrasonic Irradiation for Mercury Removal from Sediment by Acid Extraction
Sign Up to like & getrecommendations! Published in 2022 at "Bulletin of Environmental Contamination and Toxicology"
DOI: 10.1007/s00128-022-03471-0
Abstract: The removal of Hg from solid waste plays a key role in environmental protection. In this study, a fast, simple, and effective method for the removal of Hg by acid extraction, using a combination of… read more here.
Keywords: extraction; agitation ultrasonic; vortex agitation; ultrasonic irradiation ... See more keywords
Hot-injection and ultrasonic irradiation syntheses of Cs2SnI6 quantum dot using Sn long-chain amino-complex
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Nanoparticle Research"
DOI: 10.1007/s11051-020-04787-w
Abstract: Lead (Pb) perovskites can be synthetically modified to form colloidal nanocrystals which exhibit remarkable optoelectronic properties in the various fields such as light-emitting devices, flexible electronics, and photodetectors. However, because of the toxicity issue of… read more here.
Keywords: method; hot injection; ultrasonic irradiation; injection ultrasonic ... See more keywords
Synthesis of benzamides through direct condensation of carboxylic acids and amines in the presence of diatomite earth@IL/ZrCl4 under ultrasonic irradiation
Sign Up to like & getrecommendations! Published in 2018 at "Research on Chemical Intermediates"
DOI: 10.1007/s11164-018-3592-9
Abstract: A green, rapid, mild and highly efficient pathway for the preparation of benzamide derivatives is reported. The reaction was performed through direct condensation of benzoic acids and amines under ultrasonic irradiation in the presence of… read more here.
Keywords: diatomite earth; direct condensation; acids amines; ultrasonic irradiation ... See more keywords
Effect of Ultrasonic Pre-treatment on Dewaterability and Moisture Distribution in Sewage Sludge
Sign Up to like & getrecommendations! Published in 2018 at "Waste and Biomass Valorization"
DOI: 10.1007/s12649-016-9799-3
Abstract: The main objective of this work was to enhance the dewatering efficiency of sewage sludge by ultrasonic irradiation. Low-field 1H nuclear magnetic resonance (LF-NMR) was used to deduce the moisture distribution in sewage sludge. Experiments… read more here.
Keywords: treatment; pre; sewage sludge; ultrasonic irradiation ... See more keywords
Diastereoselective synthesis of trans-2,3-dihydrofuro[3,2-c]coumarins by MgO nanoparticles under ultrasonic irradiation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Saudi Chemical Society"
DOI: 10.1016/j.jscs.2016.01.003
Abstract: MgO nanoparticles have been used as an efficient catalyst for the diastereoselective preparation of trans-2-benzoyl-3-(aryl)-2H-furo[3,2-c]chromen-4(3H)-ones by the multi-component reaction of 2,4′-dibromoacetophenone, pyridine, benzaldehydes and 4-hydroxycoumarin under ultrasonic irradiation. This interesting result revealed that the pyridiniumylide… read more here.
Keywords: diastereoselective synthesis; synthesis trans; ultrasonic irradiation; mgo nanoparticles ... See more keywords
The effects of solvent and ultrasonic irradiation in synthesis of thallium(I) nano supramolecular polymers and use them as template for synthesis of thallium(III) oxide nanostructures with desirable morphology.
Sign Up to like & getrecommendations! Published in 2018 at "Ultrasonics sonochemistry"
DOI: 10.1016/j.ultsonch.2017.12.036
Abstract: In order to study the effects of solvent and ultrasonic irradiation on formation of [Tl(HTar)]n (1) and/or [Tl2(Tar)]n (2), [H2Tar = (+)-tartaric acid] supramolecular polymers, we designed some experiments and synthesized four samples of 1 under the… read more here.
Keywords: synthesis thallium; iii oxide; ultrasonic irradiation; thallium iii ... See more keywords
Ultrasonic-assisted conversion of limestone into needle-like hydroxyapatite nanoparticles.
Sign Up to like & getrecommendations! Published in 2018 at "Ultrasonics sonochemistry"
DOI: 10.1016/j.ultsonch.2018.04.002
Abstract: Needle-like hydroxyapatite nanoparticles were successfully synthesized via a reaction between calcium oxide (CaO) that was obtained from calcined limestone and orthophosphoric acid (H3PO4) under ultrasonic irradiation at 25 °C. The reaction systems were exposed to ultrasonic… read more here.
Keywords: hydroxyapatite nanoparticles; phase; hap; needle like ... See more keywords
Degradation of cellulose in NaOH and NaOH/urea aqueous solutions by ultrasonic irradiation.
Sign Up to like & getrecommendations! Published in 2019 at "Ultrasonics sonochemistry"
DOI: 10.1016/j.ultsonch.2018.07.030
Abstract: Ultrasonic degradation of cellulose with low molecular weight in NaOH and NaOH/urea solutions was investigated at 20 and 500 kHz frequencies by measuring the solution viscosity. The viscosity decreased with sonication time. A small difference in… read more here.
Keywords: naoh naoh; naoh urea; ultrasonic irradiation; sonication ... See more keywords
Effect of geometrical configuration of reactor on a ZrP nano-dispersion process using ultrasonic irradiation.
Sign Up to like & getrecommendations! Published in 2019 at "Ultrasonics sonochemistry"
DOI: 10.1016/j.ultsonch.2018.11.008
Abstract: This study investigated the position of ultrasonic irradiation source and reactor geometry on fragmentation rate of a layered compound, α-zirconium phosphate (α-ZrP). By numerically solving the acoustic pressure distribution using COMSOL Multiphysics®, it is clarified… read more here.
Keywords: acoustic pressure; position; ultrasonic irradiation; bottom vessel ... See more keywords
The effect of ultrasonic irradiation on the morphology of NiO/Co3O4 nanocomposite and its application to the simultaneous electrochemical determination of droxidopa and carbidopa.
Sign Up to like & getrecommendations! Published in 2019 at "Ultrasonics sonochemistry"
DOI: 10.1016/j.ultsonch.2019.04.002
Abstract: The present work deals with the preparation of NiO/Co3O4 nanocomposites in presence of ultrasonic irradiation, and its use in electrochemical determination of Parkinson's drugs. NiO/Co3O4 nanocomposites are prepared using ultrasound assisted method. The impact of… read more here.
Keywords: nio co3o4; droxidopa; ultrasonic irradiation; co3o4 ... See more keywords