Products & Services

On this page, you can find info on:

-  HybSi® licenses

-  Membrane testing and process simulation

Test equipment at ECN

Licenses and patents or interested in fabrication and marketing of HybSi®?

The HybSi® membrane and the necessary sealing and module technology are covered by a number of ECN patents. ECN is looking for interested parties (membrane manufacturers and system integrators) to take a license on its technology and broad patent portfolio. Potentially interested parties include companies that are interested in membrane fabrication, or that are interested in marketing full separation equipment that contain HybSi® membrane technology, or that are interested in the final utilization of it. We can provide a detailed technology transfer and aim for a joined effort in the further scale-up and market development of HybSi® membranes.


ECN is the best partner for scaling up HybSi® membrane technology for commercialization, both in membrane fabrication and in separation and test equipment that contain HybSi® (or other) membrane technology. Standard HybSi® pervaporation membranes for dehydration of organics liquids or the removal of methanol from organic liquids are available at ECN on lab and pilot scale (up to a few m2 of membrane area). ECN has licensed the HybSi® membrane technology to two membrane producers and these membranes including installations are now commercially available at Pervatech (Nl) and CTI (Fr). new innovative HybSi® membrane variances are available for testing on lab and pilot scale. The extensive know-how including the availability of test installations and modeling tools (e.g. Aspen simulation and process design) make ECN the ideal partner for developing innovative membrane separation systems.


Earlier licenses for the commercialisation of the HybSi® membrane technology from ECN have been granted to our partners:




When you are interested in also obtaining a license or for more information please contact us.

HybSi® in your own process, process simulation or pervaporation calculation tools?

ECN can provide and help you with all the technical knowledge in order to implement HybSi in your specific organic solvent separation process.


In close collaboration, ECN can assess the suitability of HybSi® membranes for your specific separation process and confirm this by lab scale (details see below) and pilot scale tests. We can perform excellent dehydration or methanol removal tests under realistic conditions. Moreover, our wide expertise and experience makes us capable of designing the most suitable process, which will be evaluated by e.g. Excel calculations or Aspen flowsheeting including cost calculations.  ECN can analyze the techno-economic viability of implementing HybSi® membranes in your process: a techno-economic feasibility study will give details of the impact on capital expenses, operating costs and benefits and a calculation of the investments needed. ECN has developed a calculation tool for pervaporation membranes that can be used for process evaluation and flowsheeting. The tool is an add-in to Aspen Plus and can be used for e.g. sensitivity and process optimization studies. Some details can be found here or pick up the Pervatool download.


After this a NoGo-Go decision will be made and when positively decided, an on-site pilot test would be a logic continuation. For this purpose, ECN has a complete demo skid unit available (see picture) that has passed a number of HAZOP analysis and is explosion proof. This unit can run batch-wise as standalone equipment using a 1000 liter vessel, or in-line using a continuous feed. these tests would allow for an unambiguous assessment of the value of the HybSi® membrane system in your process.


If your are interested in a collaboration with ECN in order to make your separation processes more efficient, please contact us.


Want to do the tests yourself?

ECN provides to selected end users two different single tube modules with HybSi® membrane. The first contains a membrane of ~40cm2 and the second ~400cm2. For more details and/or a price quotation please contact us. Download module information.

You can also hire the pilot scale test installation. 

Laboratory measurements

ECN offers to perform pervaporation measurements for interested end users on their industrial mixtures. The emphasis is on water and methanol separation from organic solvents. To this end ECN has more than ten glass pervaporation set up available. For more demanding conditions a further 5 stainless steel autoclaves are available that can run up to 30 bars pressure and 200°C in a batch experiment set-up. These installations can run 24/7 including fresh feed addition. They are normally operated with one membrane of ~15 cm length and typically use 1-2 liter of feed liquid. For larger scale measurements with continuous flow feed conditions a set up with a feed capacity of ~35 liters is available. This set up can be run with six membranes in series with pressures up to 25 bars and temperature up to 150°C.

Overview of glass pervaporation set ups.


Drawing of the stainless steel autoclave set up.

Related laboratory equipment

  • Permporometer: Knowing the pore size and size distribution of selective layers is essential in the development and application of ceramic membranes. The ECN Permporometer offers a quick, cheap and effective method for the characterization of micro- and mesoporous membranes. The Permporometer has been developed by the Energy research Centre of the Netherlands, and has been proven to be essential in the successful development of novel ceramic membranes.
  • GPI: Knowing the permeance characteristics of selective layers is essential in the development and application of porous and dense membranes for gas separation applications. The ECN Gas Permeance Installation (GPI) offers a quick, cheap and effective method for the characterization of these types of membranes. The GPI has been developed by the Energy research Centre of the Netherlands and has been proven to be essential in the successful development of porous and dense membranes.