Technical Support & Performance Management

For the “ready on-time”, safe start-up


Safe Commissioning: from inspections to Catalysts loading

Axens experienced start-up Advisors will come on site to perform a complete and detailed inspection of the units, associated equipment and P&ID to ensure the construction conformity to Axens original Process Design Package.

Afterward, to get a “Ready for Start-up" meeting all safety compliances, a dedicated team of experts will execute:

  • The detailed start-up procedures
  • Interlock safety devices review
  • Catalysts & adsorbents loading supervision: dense / sock
  • Leak tests supervision

For a smooth Start-up: from oil-in to test run

Following the commissioning step, operators will proceed to the next phase fully supported by Axens experts: the unit start-up.

Our team is at your service for assisting you during the following steps:

  • Catalysts activation
  • Fresh feed-in
  • Unit tuning and stabilization
  • Performance tests

Our goal at the end: your unit is efficiently running at full capacity producing on-spec products.

Key advantages:

  • Our team can maintain 24-hour coverage on site
  • Specialists and experts thanks to a wide and proven experience
  • Worldwide presence close to operators’ site

Flexible and tailored-made support


Unit monitoring

To optimize the unit’s performances and conduct troubleshooting, Axens provides assistance either regularly or on-request, as well as either remotely or on-site.

Depending on the required assistance, an Axens Tech Services Advisor is dispatched to the site to evaluate the operation and propose a strategy to recover or improve performance providing the following support:

  • Support from Axens Headquarters / regional operational center for troubleshooting (hotline)
  • Review current operation and recommend optimizations for plant on-stream profitability
  • Assist on-site during unit turnaround (inspection, catalyst loading and re-loading & support for unit re-start)
  • Routine / specific analyses including spent catalyst and liquid samples analyses
  • Provide regular reporting
  • Continuous improvement: recommendations for a better unit profitability

Our team will rely on digital tools and software to provide the most accurate recommendations:

  • High Fidelity models available in real-time with Connect’In® 
  • Model-based predictive control technology with Axens APC algorithm
  • Packaged modelling application tuned and validated for refining and petrochemicals units with WebPOS™

Catalysts Management

Axens provides support for Catalysts & Adsorbents by managing change-outs while meeting cost reduction, targets and deadline with Orchestra™.

Orchestra is a wide and flexible range of integrated services optimizing catalyst and adsorbent change-out phases by:

  • Identifying the optimum technical solution in line with operator strategy and constraints,
  • Reducing overall turnaround costs,
  • Integrating specific needs like catalyst pool management, used products valorization or waste disposal,
  • Customizing supply scope, from standard offer to single source turnkey contract,
  • Being fully compliant with environmental regulations.


Find out more

Adsorbents Management

For applications based on non-regenerable adsorbents (AxTrap™ Series) where contamination is an issue, our Sorbotest on-site pilot test is available to help you identify the problem and respond with the appropriate solution. Sorbotest® can be used for both feasibility study and troubleshooting purpose.

Sorbotest is a unique transportable non electrical device using a skid-mounted adsorber that can identify an array of feedstock contaminants.

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Customer Training

Designed for all Axens technologies, dedicated to operators & engineers, Axens offers customized training solutions to all our licensees, covering the whole range of Axens technologies.


Modular Units

A modularization strategy offers superior benefits versus on-site manufacturing. During the last 40 years, Axens has supplied over 500 modular units, both onshore and offshore, providing tailor-made designs according to client project specifications.

Event passed
Hanoi, Vietnam - UTC+7
3 days

Axens Vietnam Seminar & Asia-Tech 2023

Calling Asia-based refiners & petrochemicals producers for a chance to hear from Axens' experts at their full-day seminar: "Shaping the Future Downstream Industry"!
Held in conjunction with the upcoming Asia-Tech 2023 with the slogan ‘’Meeting Growing Energy Demand during the Energy Transition", you don't want to miss it!


Stephane Wermester
Commercial Vice President - Asia Pacific
Lead Technology Engineer, Gasoline Product Line
Cécile Plain
Consulting & Digital - Technology Group Manager
Thibault Jacquemin
Technology Engineer - Sustainable Conversion, Hydroprocessing & Integration
Sébastien Huchette
Senior Regional Sales Manager

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