Our Products

Rotary Evaporator

Laboratory equipment

Jacketed Reactor

Contact Us

We Cherish All Interactions

Zhengming Gao's research works | Beijing University of .

Zhengming Gao's 104 research works with 826 citations and 14,173 reads, including: Droplet impingement and wetting behavior on a chemically heterogeneous surface in .

Numerical simulations of fluidized bed fast pyrolysis of .

Aug 01, 2020 · The hydrodynamics and chemical kinetics for fluidized bed pyrolysis was simulated. • The transitions of fluidization for gas, biomass and sand were numerically observed. • The simulated results well-agreed with the experimental ones for product yields. • The distributions of CO, H 2, CH 4 and CO 2 in the reactor were also exhibited.

Application of kinetics and computational fluid dynamics .

Mar 21, 2020 · Stirred tank reactor with solid–liquid system is widely used in chemical industry. Computational fluid dynamics (CFD) makes multiphase flow visualization in stirred reactor [ 32, 33 ]. Wadnerkar [ 33 ] and Tamburian [ 34 ] used CFD to predict hydrodynamics of .

What is importance of fluid mechanics in chemical .

Nov 15, 2017 · If you can't do fluid mechanics, you can't do chemical engineering. Think about a simple process where two chemicals A and B are heated up, react and are cooled down. The chemical engineer is responsible for the storage and transfer of the materia.

Home - DEI Nuclear Engineering Services

RR, Reactor Services Supervisor (non-US utility) I would strongly recommend DEI for any unique technical challenges which require a creative solution to resolve. We had a very positive experience when they supported us in implementing a large, first-of-a-kind project at a boiling water reactor.

Home - DEI Nuclear Engineering Services

RR, Reactor Services Supervisor (non-US utility) I would strongly recommend DEI for any unique technical challenges which require a creative solution to resolve. We had a very positive experience when they supported us in implementing a large, first-of-a-kind project at a boiling water reactor.

ChemEngineering | Special Issue : Bubble Column Fluid Dynamics

Dear Colleagues, Bubble columns are widely used multiphase reactors where a gas phase is dispersed into a continuous phase. The simplest configuration consists in a vertical cylinder, in which the gas enters through a gas sparger located at the bottom, and the liquid phase is supplied in the batch mode or it may be led in either co-currently or counter-currently to the upward gas .

Destruction of ozone-depleting substances in a thermal .

A two-dimensional numerical model of the PLASCON™ plasma reactor is used to investigate the destruction of ozone-depleting substances in the reactor. The model includes electromagnetic, fluid dynamic and chemical kinetic phenomena. Calculated temperature, flow and species concentration fields within the plasma torch, the injection manifold and the reaction tube are presented for the case of .

Bubble velocity, size, and interfacial area measurements .

Giorgio Besagni, Fabio Inzoli, The effect of liquid phase properties on bubble column fluid dynamics: Gas holdup, flow regime transition, bubble size distributions and shapes, interfacial areas and foaming phenomena, Chemical Engineering Science, 10.1016/j.ces.2017.03.043, 170, (270-296), (2017).

Reactor Design and Engineering Expert in Saudi Arabia | US

May serve as Aramco spokesman on technical matters related to his/her expertise in reactor design and fluid dynamics. Minimum Requirements: 1. Chemical engineering degree (M.S., Ph.D.). 2. A minimum of 20 years of experience in reactor design/engineering and fluid dynamics. Has a high level quality track record of scaling up a range of types of .

ChemEngineering | An Open Access Journal from MDPI

ChemEngineering (ISSN 2305-7084) is an international peer-reviewed open access journal on the science and technology of chemical engineering published quarterly online by MDPI.. Open Access —free for readers, with article processing charges () paid by authors or their institutions.; Rapid Publication: manuscripts are peer-reviewed and a first decision provided to .

ChemEngineering | Free Full-Text | CFD Simulation of .

Hydrogen could be a promising source fuel, and is often considered as a clean energy carrier as it can be produced by ethanol. The use of ethanol presents several advantages, because it is a renewable feedstock, easy to transport, biodegradable, has low toxicity, contains high hydrogen content, and easy to store and handle. Reforming ethanol steam occurs at relatively lower .

ChemEngineering

Special Issue in ChemEngineering: Chemical Kinetics and Computational Fluid Dynamics Applied to Chemical Reactors Analysis and Design Special Issue in Sustainability : Eco-design and Green Chemistry The statements, opinions and data contained in the journal ChemEngineering are solely those of the individual authors and contributors and not of .

Modeling for thermal hydrolysis of microalgae slurry in .

The computational fluid dynamics (CFD), as a useful approach to analyze the interaction between hydrodynamics and chemical kinetics, can provide detailed information of flow, heat and mass transfer, and hydrothermal conversion in tubular reactors of microalgae biomass conversion,,,,,,,,, .

David I A Dhanraj - PhD Candidate - Washington University .

Local liquid distribution in a trickle bed reactor: Electrical Resistance Tomography measurements and Computational Fluid Dynamics simulations. Jan 2016 – Jan 2016

Advances in fixed-bed reactor modeling using particle .

AbstractIn 2006, Dixon et al. published the comprehensive review article entitled "Packed tubular reactor modeling and catalyst design using computational fluid dynamics." More than one decade later, many researchers have contributed to novel insights, as well as a deeper understanding of the topic. Likewise, complexity has grown and new issues have arisen, for example, by coupling .

Advances in fixed-bed reactor modeling using particle .

AbstractIn 2006, Dixon et al. published the comprehensive review article entitled "Packed tubular reactor modeling and catalyst design using computational fluid dynamics." More than one decade later, many researchers have contributed to novel insights, as well as a deeper understanding of the topic. Likewise, complexity has grown and new issues have arisen, for example, by coupling .

CFD studies of dual circulating fluidized bed reactors for .

Jan 15, 2014 · Chemical looping combustion (CLC) processes in a dual circulating fluidized bed (DCFB) reactor are investigated by means of computational fluid dynamic (CFD) method. A two-fluid model with consideration of heterogeneous chemical reactions is adopted. The kinetic theory of granular flow is employed for closure.

ChemEngineering | Special Issue : Computational Fluid .

In this study, a multi-tubular reactor model for the butadiene synthesis via ODH of butene was developed using computational fluid dynamics (CFD). For this, the 3D multi-tubular model, which combines complex reaction kinetics with a shell-side coolant fluid over a series of individual reactor tubes, was generated using OpenFOAM ® .

Just a Guy Teaching Online - Chemical Engineering

Learn Chemical & Process Engineering Online! Courses. Subscribe. ConvertKit Form. Facebook Youtube Envelope. Engineering Topics. . Reactor Kinetics; Reactor Engineering; Gas Absorption & Stripping Binary Distillation; Applied Fluid Dynamics .

Dynamics of Flow Structures and Transport Phenomena, 1 .

Jun 04, 2009 · Analysis of PIV measurements using modal decomposition techniques, POD and DMD, to study flow structures and their dynamics within a stirred-tank reactor. Chemical Engineering Science 2018, 178, 348-366. DOI: 10.1016/j.ces.2017.12.047. Anh-Tuan Nguyen, Taekyung Yu, Woo-Sik Kim.

(PDF) CFD Simulation of Ethanol Steam Reforming System for .

COMSOL multi-physics software (version 4.3b) has been applied in this work. It solves simultaneously the fluid flow, heat transfer, diffusion with chemical reaction kinetics equations, and .

Michell Giron Andreu - Process Technology Intern - EV .

View Michell Giron Andreu's profile on LinkedIn, the world's largest professional community. Michell has 6 jobs listed on their profile. See the complete profile on LinkedIn and discover Michell .

Computational Fluid Dynamics for Fixed Bed Reactor Design .

Flow, heat, and mass transfer in fixed beds of catalyst particles are complex phenomena and, when combined with catalytic reactions, are multiscale in both time and space; therefore, advanced computational techniques are being applied to fixed bed modeling to an ever-greater extent. The fast-growing literature on the use of computational fluid dynamics (CFD) in fixed bed design reflects the .

(PDF) ChemEngineering-03-00052 - ResearchGate

A common reactor type in the chemical and process industry is the fixed-bed reactor. Accurate modeling can be achieved with particle-resolved computational fluid dynamic (CFD) simulations.

Fanglin Che | Chemical Engineering | UMass Lowell

Multi-Scale Simulations on (1) Light-Alkane Activation; (2) Carbon Dioxide Electroreduction to Multicarbon Hydrocarbons; (3) Scaling Relationship and Microkinetic Modeling of Heterogeneous Catalysis; (4) Computational Fluid Dynamics Simulations of Heterogeneous Catalysis Reactor. Education. Postdoc: Chemical Engineering, (2019), University of .

Computational Fluid Dynamics of Catalytic Reactors .

Computational Fluid Dynamics or CFD is the analysis of fluid flow, heat and mass transfer and chemical reactions by means of computer-based numerical simulations. CFD has matured into a powerful tool with a wide range of applications in industry and academia.

Chemical Reaction and Diffusion in a Catalytic Tubular Reactor

Dec 09, 2004 · The general solution to the axially symmetric problem of diffusion, reaction, and convection of a trace reactant in a catalytic tubular flow reactor is presented. First‐order heterogeneous and homogeneous reaction kinetics are assumed as well as a nonaccelerating Poiseuille flow. The decay of reactant upstream and downstream of the source is examined.

(PDF) Experimental and CFD Studies of the Hydrodynamics in .

The use of Computational Fluid Dynamics (CFD) for the investigation of complex fluid-particle . biological, and chemical processes within the reactor system is highly. . ChemEngineering 2018 .

Philip C. Malte's research works | University of .

Philip C. Malte's 76 research works with 1,436 citations and 4,768 reads, including: Prevention of Lean Flame Blowout Using a Predictive Chemical Reactor Network Control