Our Products

Rotary Evaporator

Laboratory equipment

Jacketed Reactor

Contact Us

We Cherish All Interactions

Nanomaterials | Free Full-Text | Photocatalytic Oxidation .

Photocatalytic oxidation of propane was evaluated in a 3 mL batch reactor (see reactor flowsheet in Supplementary Materials, Scheme S1a) equipped with a quartz window and a 365 nm light-emitting diode (LED) lamp (APGC1-365-E, 135 mW) [18,19]. A gas distribution system allowed for preparation of customized gas mixtures.

Catalytic Reactors: A Review

5.2. Photocatalytic Reactor 5.3. Moving Bed and Chromatographic Reactors 5.4. Monolith Reactors 5.5. Reactive Distillation cum Catalytic Reactor 5.6. Microstructured Catalytic Reactors 6. Conclusion Acknowledgements Bibliography Biographical Sketches Summary Catalytic reactions and reactors have widespread applications in the production of

Reactors & Pressure Vessels - Parr Instrument Company

Parr offers a broad selection of stirred and non-stirred pressure vessels in convenient styles, sizes and pressure ranges for many laboratory uses.Recent additions to this line have included new sizes, new temperature and pressure combinations and new self-sealing closures, all designed to provide convenient vessels for laboratory procedures that must be performed under pressure at elevated .

Modeling Transient Adsorption/Desorption Behavior in a Gas .

It thus provides vital information for the design and development of photocatalytic air purification units, since adsorption of pollutants is an essential precursory step in photocatalysis. Adsorption experiments were performed in a borosilicate glass tube reactor (diameter of 5 cm and length of 44 cm) (Figure 1).

Modeling and Design of Photocatalytic reactors for Air .

University of South Florida Scholar Commons Graduate Theses and Dissertations Graduate School January 2013 Modeling and Design of Photocatalytic reactors for

Field trials of a TiO2 pellet‐based photocatalytic reactor .

Abstract A field trial of a pilot‐scale TiO2 photocatalytic reactor for treatment of off‐gases from a soil vapor extraction (SVE) well at a chlorinated solvent spill site at the Savannah River Site near Aiken, SC, is described. Trichloroethylene (TCE), perchloroethylene (PCE), 1,1‐dichloroethylene (1,1 ‐DCE), and 1,1,1 ‐trichloroethane (1,1,1 ‐TCA) were treated at flow rates up to .

Numerical Simulation of Photocatalytic Reduction of Gas .

Jun 10, 2019 · Emission reduction of CO2 is an urgent global environmental problem. The photocatalytic reduction of CO2 has attracted lots of interest as a novel method for producing organic fuel, and this technology does not require the consumption of additional energy. So in this paper, the photocatalytic reduction processes of gas phase CO2 in the different optofluidic microreactors were .

China Solid Photochemical Photocatalytic Thermostatic .

China Solid Photochemical Photocatalytic Thermostatic Reactor Customized Industrial Photochemical Reactor Manufacturers, Find Complete Details about China Solid Photochemical Photocatalytic Thermostatic Reactor Customized Industrial Photochemical Reactor Manufacturers,Uv Photocatalytic Reactor,Continuous Stirred Tank Reactor,Chemical Reactor Prices from Supplier or Manufacturer .

Design of Photocatalytic Reactors | TU Delft Repositories

Thus, we aimed to determine at what gas fractions and bubble diameters, bubbles start having a significant effect on the photonic efficiency in a bubbly slurry photocatalytic reactor. Bubbles scatter the light mainly in the forward direction, and the two–flux model fails to consider that.

Modeling Transient Adsorption/Desorption Behavior in a Gas .

It thus provides vital information for the design and development of photocatalytic air purification units, since adsorption of pollutants is an essential precursory step in photocatalysis. Adsorption experiments were performed in a borosilicate glass tube reactor (diameter of 5 cm and length of 44 cm) (Figure 1).

Modeling of gas-phase heterogeneous photocatalytic .

Modeling of gas-phase heterogeneous photocatalytic oxidation reactor in the presence of mass transfer limitation and axial dispersion. Highlights•Modeling of UV-PCO was performed under mass transfer limitation and axial dispersion.•CFD simulation was used to determine the flow distribution.•RTD analysis was conducted to determine dispersion in the reactor.•A mass balance equation was .

Gas phase photocatalytic spiral reactor for fast and .

1 Gas phase photocatalytic spiral reactor for fast and efficient pollutant degradation Natan Blommaerts,1 Ramesh Asapu,1 Nathalie Claes,2 Sara Bals,2 Silvia Lenaerts,1 Sammy W. Verbruggen1,3,* 1 Sustainable Energy, Air & Water Technology (DuEL), Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium

Fluidized-Bed Reactor for the Intensification of Gas-Phase .

Aug 05, 2010 · The behavior of a two-dimensional laboratory-scale fluidized-bed catalytic reactor for the photocatalytic oxidative dehydrogenation of cyclohexane to benzene has been studied, employing a molybdenum-based catalyst and a titania−alumina mixed oxide as a support. A preliminary mathematical model is proposed for the evaluation of the effect of the main factors that affect the overall reactor .

Graphitic Carbon Nitride for Photocatalytic Air Treatment

forth [1]. However, the photocatalytic applications of g-C3N4 are limited by fast recombination of photoinduced electrons and holes, which causes low quantum efficiency. It can be overcome by doping with metals and non-metals. Doping with non-metals, such as phosphorus, sulphur, oxygen,

Photocatalytic Reactor - Manufacturers & Suppliers in India

We at Lelesil Offer Photocatalytic Reactors. Product Details: - Capacity: 1 Liters - 100 liters - Lamp Source: Wattages 125, 250, 450, 750, 1000, 1500, 2000 upto 6000 watts

Maxim Nasalevich - Senior Scientist - Tronox | LinkedIn

Gas-phase photocatalytic oxidation of organophosphorous compound dimethyl methylphosphonate was carried out in a flow reactor on platinized TiO2 Degussa P25. Platinization was performed by soft chemical reduction (SCR) and photodeposition (PD) techniques.

Graphitic Carbon Nitride for Photocatalytic Air Treatment

forth [1]. However, the photocatalytic applications of g-C3N4 are limited by fast recombination of photoinduced electrons and holes, which causes low quantum efficiency. It can be overcome by doping with metals and non-metals. Doping with non-metals, such as phosphorus, sulphur, oxygen,

Efficient photocatalytic oxidation of gaseous toluene in a .

The detailed experimental setup is illustrated in Fig. 1.Both the reactors were composed of stainless steel with a volume of 0.8 L. As shown in Fig. 1(b), a 254 nm UV lamp (10 W, Cnlight) was placed in the center to provide UV irradiation in the gas-liquid phase reactor. A continuous flow of gaseous toluene was bubbling into TiO 2 suspension (0.375 g/L).

Gas-phase optical fiber photocatalytic reactors for indoor .

Gas-phase optical fiber photocatalytic reactors for indoor air application: a preliminary study on performance indicators. Ü Palmiste 1 and H Voll 1. Published 1 October 2017 • Published under licence by IOP Publishing Ltd

Photocatalytic degradation of H2S in the gas-phase using a .

For the photocatalytic degradation of the hydrogen sulphide (H 2 S) in the gas-phase it was developed a rectangular reactor, coated with acrylic paint supported on fiber cement material. The surface formed by the paint coverage was characterized structural and morphologically by scanning electron microscopy with energy dispersive X-ray and X-ray diffraction analysis.

Development of a tubular continuous flow reactor for the .

A self-made, low-cost tubular reactor for the gas-phase photocatalytic CO 2 reduction was developed. The resulting flow conditions cause an intensive interaction between the reactants in the gas-phase and the fixed bed photocatalyst. This approach is used to test the scalability of tubular reactors for the photocatalytic CO 2 reduction.

Designing Microflowreactors for Photocatalysis Using .

The most important design parameter of photocatalytic reactors is the illuminated specific surface area of the photocatalyst. Matsushita et al. have developed a photocatalytic microreactor system, which has a considerably large surface area per unit volume . Research over the past decade focused on enabling multi-step processes by developing .

Gas phase photocatalytic spiral reactor for fast and .

The most widely used gas phase photocatalytic reactors are the flat plate reactor and the annular reactor. The flat plate reactor is one of the most straightforward geometries and consists of a coated flat substrate that is illuminated from the top by UV lamps,,,, . The airflow runs parallel to the flat plate.

(PDF) Photocatalytic reactors

Fundamental concepts for the design of photocatalytic reactors are recalled: specific rate, modeling of the distribution of the irradiation, description and modeling of transport phenomena on the .

Magnetically Agitated Photocatalytic Reactor for .

A magnetically agitated photocatalytic reactor (MAPR) has been developed and assessed for oxidation of phenol. The MAPR uses a titanium dioxide composite photocatalyst with a ferromagnetic barium ferrite core. The catalyst motion was controlled with a dual-component magnetic field. First, a permanen .

FLUIDIZED BED REACTOR FOR THE INTENSIFICATION OF .

GAS PHASE PHOTOCATALYTIC OXIDATIVE DEHYDROGENATION OF CYCLOHEXANE . Paolo Ciambelli, Vincenzo Palma*, Diana Sannino and Vincenzo Vaiano . Department of Chemical and Food Engineering, University of Salerno, Fisciano, Italy . Summary . The behavior of a two-dimensional laboratory scale fluidized-bed catalytic reactor for the photocatalytic

Modeling Transient Adsorption/Desorption Behavior in a Gas .

It thus provides vital information for the design and development of photocatalytic air purification units, since adsorption of pollutants is an essential precursory step in photocatalysis. Adsorption experiments were performed in a borosilicate glass tube reactor (diameter of 5 cm and length of 44 cm) (Figure 1).

Photocatalytic Gas Phase Reactions | Chemistry of Materials

Photocatalytic gas phase reactions represent a less explored yet promising direction within the highly active research area of photocatalysis. While photocatalytic liquid phase reactions are typically performed in water, photocatalytic gas phase reactions focus on gaseous and vaporized compounds. With this change in reaction environment, it is possible to address completely new questions and .

Fluidized-Bed Reactor for the Intensification of Gas-Phase .

Aug 05, 2010 · The behavior of a two-dimensional laboratory-scale fluidized-bed catalytic reactor for the photocatalytic oxidative dehydrogenation of cyclohexane to benzene has been studied, employing a molybdenum-based catalyst and a titania−alumina mixed oxide as a support. A preliminary mathematical model is proposed for the evaluation of the effect of the main factors that affect the overall reactor .

Modeling Transient Adsorption/Desorption Behavior in a Gas .

. Asia/Pacific; Europe; North America; ; ; ; ; ; ;