Results 21 to 30 of about 951 (182)

Perspectives of Hydrogen Generation in Cavitation–Jet Hydrodynamic Reactor

open access: yesApplied Sciences
The article investigates the potential for producing hydrogen by combining the methods of water splitting under cavitation and the chemical activation of aluminum in a high-speed cavitation–jet flow generated by a specialized hydrodynamic reactor.
G. K. Mamytbekov   +4 more
doaj   +3 more sources

Evaluation of disinfection and cavitation performance of a cylindrical rotational hydrodynamic cavitation reactor: Influence of key geometric parameters of the cavitation generation unit [PDF]

open access: yesUltrasonics Sonochemistry
Hydrodynamic cavitation offers a promising technological platform for diverse industrial applications, including water treatment and chemical process intensification, and holds significant potential for widespread adoption in future advanced processing ...
Licheng Xue   +6 more
doaj   +4 more sources

Disinfection characteristics of an advanced rotational hydrodynamic cavitation reactor in pilot scale [PDF]

open access: yesUltrasonics Sonochemistry, 2021
Hydrodynamic cavitation is a promising technique for water disinfection. In the present paper, the disinfection characteristics of an advanced hydrodynamic cavitation reactor (ARHCR) in pilot scale were studied. The effects of various flow rates (1.4–2.6 
Xun Sun   +9 more
doaj   +4 more sources

Optimization of Rotational Hydrodynamic Cavitation Reactor Geometry

open access: yesFluids
A Rotary-Pulsation Apparatus (RPA), also known in the literature as a Rotational Hydrodynamic Cavitation Reactor (RHCR), is a device which typically consists of a rotating mechanism that generates pulsations or vibrations within a fluid.
Maxim Omelyanyuk   +4 more
doaj   +3 more sources

Investigation of ammonia stripping with a hydrodynamic cavitation reactor

open access: yesUltrasonics Sonochemistry, 2020
Ammonia is a commonly used compound in the domestic and industrial fields. If ammonia found in wastewater after use is not treated, even at low concentrations it may cause toxic effects in the receiving environment. In this study, a hydrodynamic cavitation reactor (HDC) was designed with the aim of removing ammonia.
Yıldız, Ergün   +3 more
openaire   +4 more sources

Modelling of vortex based hydrodynamic cavitation reactors [PDF]

open access: yesChemical Engineering Journal, 2019
Abstract Vortex based hydrodynamic cavitation reactors offer various advantages like early inception, less erosion and higher cavitational yield. No systematic modelling efforts have been reported to interpret the cavitation performance of these vortex based devices for cavitation.
Sarvothaman, Varaha Prasad   +2 more
openaire   +3 more sources

Continuous production of nanoemulsion for skincare product using a 3D-printed rotor-stator hydrodynamic cavitation reactor [PDF]

open access: yesUltrasonics Sonochemistry, 2022
In this study, nanoemulsions for skincare products were continuously produced using a hydrodynamic cavitation reactor (HCR) designed with a rotor and stator.
Nichagan Matman   +3 more
doaj   +2 more sources

Continuous acid-catalyzed esterification using a 3D printed rotor–stator hydrodynamic cavitation reactor reduces free fatty acid content in mixed crude palm oil [PDF]

open access: yesUltrasonics Sonochemistry, 2021
Free fatty acid (FFA) content in FFA-rich mixed crude palm oil (MCPO) was reduced through a continuous esterification process. The reaction conditions were optimized, the yield purified esterified oil was determined, and the average total electricity ...
Ye Min Oo   +2 more
doaj   +2 more sources

Extraction of tungsten from scheelite using hydrodynamic and acoustic cavitation

open access: yesUltrasonics Sonochemistry, 2021
The primary purpose of this study is to investigate the effects of hydrodynamic and acoustic cavitation (HAC) on the leaching efficiency of tungsten. The aim is to reduce energy use and to improve the recovery rate.
Örjan Johansson   +2 more
doaj   +2 more sources

Hydrodynamic Cavitation Reactor for Efficient Biodiesel Production. A Review

open access: yesInternational Journal of Membrane Science and Technology, 2023
Biodiesel emerges as a viable option to replace fossil fuels, but the traditional process for the production of biodiesel requires a large energy expenditure, since transesterification has a slow conversion due to the immiscibility of alcohol and oil. On the other hand, with the hydrodynamic cavitation method, a shorter conversion time can be achieved ...
Juan Taumaturgo Medina Collana   +8 more
openaire   +3 more sources

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