نتایج جستجو برای: step based photoreactor

تعداد نتایج: 3111794  

2008
Riei Ishizeki Martin Kruczenski Marcus Spradlin Anastasia Volovich

We apply the dressing method to a string solution given by a static string wrapped around the equator of a three-sphere and find that the result is the single spike solution recently discussed in the literature. Further application of the method allows the construction of solutions with multiple spikes. In particular we construct the solution describing the scattering of two single spikes and c...

Journal: :Energies 2022

An inductively powered passive transmitter architecture for wireless sensornodes is presented in this paper. The intended applications are internally illuminated photoreactors. application range of photoreactors wide. They used, e.g., microalgae cultivation or photochemistry, just to name two important fields use. inductive powering system used transmit energy the internal illumination be addit...

Journal: :Revista Mexicana De Fisica 2022

Process optimization of multiphase chemical and/or photochemical reactor means a challenge not only at laboratory scale but also while scaling-up is intended towards industrial applications. Using computational tools, such as Computational Fluid Dynamics, essential to assess transport limitations the heterogeneous process verify kinetic regime reaction and engineering are studied. together with...

Journal: :Chemical communications 2014
Dmitry B Ushakov Kerry Gilmore Peter H Seeberger

Tri- or tetrasubstituted α-cyanoepoxides can be rapidly prepared from unactivated amines and malononitrile or methyl cyanoacetate when singlet oxygen, produced in a continuous-flow photoreactor, serves as an oxidant and in situ peroxide source. The hydrogen peroxide generated in amine oxidation epoxidizes an electron deficient olefin intermediate, formed by deaminative Mannich coupling. The cor...

2013
Sylvestre Bachollet Kimitada Terao Shin Aida Yasuhiro Nishiyama Kiyomi Kakiuchi Michael Oelgemöller

[2 + 2]-Cycloadditions of cyclopentene and 2,3-dimethylbut-2-ene to furanone were investigated under continuous-flow conditions. Irradiations were conducted in a FEP-microcapillary module which was placed in a Rayonet chamber photoreactor equipped with low wattage UVC-lamps. Conversion rates and isolated yields were compared to analogue batch reactions in a quartz test tube. In all cases examin...

Journal: :Polish Journal of Chemical Technology 2022

Abstract Removal of C 2 H 4 in the air was carried out continuous flow reactor with photocatalytic bed (expanded polystyrene spheres coated by TiO or SiO /TiO ) under irradiation UV light. Continuous a gas stream through realised at static and fluidization. The required for fluidisation 500–700 ml/min, whereas rate 20 ml/min used. Fluidized appeared to be much more efficient ethylene removal th...

Journal: :Reaction Chemistry and Engineering 2023

A photonically characterized, modular and open-source falling film looping photoreactor is presented as scalable photochemical platform. Simple geometrical resizing enables a linear increase of reaction rates scale up by factor 10.

Journal: :Catalysts 2023

Photocatalysis is an advanced oxidation process that environmentally friendly option and one of the most critical technologies in green chemistry today. This work studied upscaling photocatalysis as a suitable for wastewater treatment to remove emerging pollutants. For this purpose, unsupported supported TiO2 photocatalysts were tested photodegradation ciprofloxacin model molecule component, us...

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