Lab Plant ELA 5

Portable process development unit for gas-liquid reactions

ELA 5 is a portable laboratory plant for the process development of numerous gas-liquid reactions. The plant can be rented for trials at the EKATO laboratories or at your own laboratories. If you develop a new process or want to optimize an existing one, EKATO would be pleased to be your partner with our expertise in process development, scale-up and mechanical engineering and construction.



ELA 5 is an easily transportable process development unit for gas-liquid reactions, which comprises a reactor unit operable in an EX-proof area and a support unit with a process thermostat. It can be operated at EKATO laboratories or on customers site.

EKATO’s specialists can facilitate the design and planning of your process development trials for data analysis and scale-up to plant scale. EKATO has extensive process know-how for complex and challenging process conditions including 2- or 3-phase systems.

Process types

Batch or semi-batch, single or multiphase, across a wide range of gas-liquid processes:

  • Hydrogenation
  • Carboxylation
  • Oxidation
  • Ethoxylation
  • Propoxylation 


Customized agitation systems for:

  • Minimized mixing times
  • Maximized mass transfer
  • Efficient solids suspension
  • Effective heat transfer 

Operating conditions

  • Working volume 3 litres
  • Gas feed up to 1.6 m³/h
  • Temperatures: 25 to 250°C
  • Pressure: 0 to 81 bar (abs)
  • Viscosity: low viscous fluids 


  • Reactor unit operable in EX-proof area
  • Variety of different impeller systems such as the EKATO Combined Gassing System (EKATO PHASEJET and EKATO GASJET)
  • Adaptable baffle configuration and removable inner cooling coil

Our Service

Support from EKATO specialists:

  • Start-up of the unit on site
  • Assistance for Operation
  • Scale-up Expertise
  • Process guarantees

Process monitoring

  •  Gas feed rate
  •  Temperatures (vessel and jacket)
  •  Pressure
  •  Impeller rotation speed

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