Your single source partner to
process bioproducts into ethanol.

Solutions for the Energetic Optimisation of your project

Audit & Studies

During a project the technical expertise services from INTERIS work on the energetic optimisation of the project.  We provide technical advisory services in order to improve productivity and economics, wether a single process unit is concerned or an entire production line/plant. We study your process data to find the best solution to fit your production objectives.

To do this, we analyse your process data to find the solution best suited to your production objectives. We can carry out complete studies at every stage of the project: conceptual phase, preliminary design, detailed design, full engineering, and throughout the life cycle, with a view to rehabilitation or modernisation.

For already existing units, INTERIS proposes audits as the demand to lower energy costs and environment respect increases. We help our customers to optimize their energy consumption and the impact this has on their costs. This involves studying the overall plant operations and delivering detailed diagnosis related to thermal optimisation, energy coupling, effluents valorisation, water recycling and CO2 recovery. As energy costs continue to rise, this is becoming a growing service within our company.

Revamps & Retrofit

Monitoring of process units operations may lead to retrofitting or revamping needs. INTERIS has full capacity to provide customers with new or updated parts to an existing unit/plant disrupting operations as little as possible. It is an essential step to ensure optimal operation of the plant.

Benefits of revamps & retrofits are numerous:

  • Decrease CAPEX while benefiting from new technologies
  • Improve the raw material conversion yield
  • Optimize the energy requirements/consumptions
  • Upgrade the quality of final product 
  • Increase the capacity of existing plant units
  • Adapt the plant to new or changed products
  • Increase life cycle time
  • Decrease number of equipment 
  • Reduce maintenance costs and increased reliability 
  • Enhance reliability

As process experts, we can provide revamps & retrofits services, to our own process units or the ones from other suppliers.


We assist our customers during unit start-up and commissioning but also after, through assistance services and trainings. Our experts are here to help you !

INTERIS as part of a specific contract, may also organize a close supervision of operating conditions with the aim of anticipating maintenance work and react, as fast as possible via programmed maintenance.

As part of this customer’s service philosophy, we can handle spare parts orders and supply worldwide with manufacture warranty.

One of our key values is to create long-term relationships with our customers. What we want is to be there when project’s first discussions start and to support it as long as necessary.