Equipment for the Compression of Fluids Using Thermal Energy

Summary of the technology

This equipment could help valorizing low-temperature waste heat from industrial processes for the production of compressed fluids or electricity

Details of the Technology Offer

Industrial waste heat is the energy that is produced during industrial processes but is not put to use, lost, wasted, or discarded into the environment. Reducing or recovering such energy flows can help improving the environmental performance of processes and lowering production costs. Considering the growing trend of energy prices and the general concern on global warming, there is a strong need for waste heat recovery technologies.

Our equipment could help valorizing waste heat flows generated by industrial processes while producing a compressed fluid (gaz or liquid). This compressed fluid obtained could be used on‑site or could enter in different systems, such as heat pumps or Organic Ranking Cycle (ORC) system.

One of the advantage of this equipment is that it does not require heat flows of high temperature and could be applied at the end of the waste heat recovery chains.

Stage of Development

  • Design and validation of the compression system on several simulations tools (TRL 3)
  • Next step: Development of a prototype


  • Valorization of low‑temperature waste heat (60‑120°C)
  • Low input of energy required to operate
  • Can compress liquids, gazes or fluids changing phases during compression
  • Can operate in continuous mode


  • Recovery of waste heat from industrial sites (Iron & Steel, Chemical, Mineral, Food & Drink, Paper & Printing) or from data centers
  • Production of compressed fluids or electricity

IP status: Patent application filed


  • Joint development opportunity
  • Licensing

Related Keywords

  • Process optimisation, waste heat utilisation
  • Compression and liquefaction of gases
  • Energy efficiency
  • Heat recovery
  • Energy Market

About University of Luxembourg

The University of Luxembourg, founded in 2003, is multilingual, international and strongly focused on research. Its students and staff have chosen a modern institution with a personal atmosphere, close to the European institutions, international companies and the financial place.

Teaching, research and knowledge transfer at the highest international level: those are the goals that this university set from the start. With 270 professors, associate professors, assistant professors and senior lecturers, students from 130 different countries and lecturers originating from 20 different countries, the University offers a multicultural environment. Exchange agreements and research cooperations exist with 354 universities around the world.

About 6,783 students (Bachelor, Master, PhD/Doctorate, learning courses, vocational training and lifelong learning) can choose from over 60 degrees, offered by:
- The Faculty of Science, Technology and Medicine,
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The central research priorities of the University of Luxembourg are:
- Materials Science
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- European and International Law
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- Education
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as well as cross-disciplinary themes (details at
- Health and Systems Biomedicine
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University Rankings
- Among the top 250 universities in the Times Higher Education (THE) World University Rankings 2021.
- No. 3 worldwide in the THE “international outlook” Rankings 2021.
- No. 20 worldwide in the THE Young University Rankings 2021.

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