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Design and manufacture of equipment for engineering education and research. Constantly evolving for the growing demands of the engineering education sector.


Wetted Wall Gas Absorption Column

Code: CES

CES demonstrates the absorption of oxygen from air into deoxygenated water, as an example of liquid film controlled absorption. The liquid-film mass transfer coefficient can be determined at various mass flow rates of water.

Catalytic Reactors

Code: CEU

The Armfield Catalytic Reactors unit (CEU) utilises the sugar inversion reaction (Sucrose ➞ Glucose + Fructose) to study the performance of packed-bed chemical and biological catalytic reactors. A colorimetric assay is used to determine the degree of conversion using an optical sensor. Assays may be automated using optional flow injection analysis.

Computer Controlled Chemical Reactor Teaching Equipment

Code: CEXC

The Armfield CEXC family is a range of chemical reactors specifically developed for the teaching and demonstration of chemical reactor capabilities to chemical engineering students. Real chemical reactions take place within the reactors, and Armfield have developed a number of representative reactions which are easy and safe for students to use in the laboratory environment.

Fluid Mixing Studies


New MkII version features precise high-speed mixing and computer control with data logging.

  • Flat blade impellor
  • Rushton turbine impellor
  • Propellor
  • Highly visual, with variable-speed mixer with a range of interchangeable impellors
  • High-speed mixing available, 50 to 2200 rpm – NEW
  • Precise electronic rpm setting – NEW
  • Electronic measurement of torque – NEW
  • Removable baffles
  • Data logging software and computer control – NEW
  • True Rushton turbine impellor – NEW
  • Precise angle setting for the adjustable flat blade impellors – NEW
  • Optional removable heating/cooling coil with temperature sensor and meter – NEW

Fixed and Fluidised Bed Apparatus


The CELMkII is designed to facilitate the study of flow through fixed and fluidised beds of solid particles.


Solids Handling Study Bench


The CEN comprises a variety of items which introduce different aspects of solids behaviour. The characteristics of the flow of solid materials are relevant to many process industries, particularly in handling powders, pellets, crystals and aggregates.

Gaseous Diffusion Coefficient Apparatus

Code: CERaMkII

Apparatus for investigation of mass transfer and gaseous diffusion has traditionally used a capillary tube in a hot water bath, with a travelling microscope used to measure the rate of diffusion over a period of time. Although capable of giving good results, this type of apparatus was not without its disadvantages, particularly ease of use.

Corrosion Studies Kit

Code: CEQ

The Armfield CEQ provides an introduction to corrosion, a significant factor in determining durability and safety of industrial processes. The CEQ allows students to recognise and make provisions for potentially corrosive situations.

Liquid Diffusion Coefficients Apparatus

Code: CERb

This laboratory equipment has been designed to enable measurement of molecular diffusivities and, in so doing, to familiarise students with the basic notions of mass transfer theory. 

The liquid diffusivity apparatus (CERb) relates to an equimolar counter-diffusion process.

Stirred Tank Reactors in Series


The Armfield Stirred Tank Reactors in Series unit is designed to follow the dynamics of the perfectly mixed multi-stage process. Dynamic behaviour can be studied as can multi-stage chemical reaction.