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HyET has a participated in multiple EU-funded research programs. HyET is currently active in three EU projects:

HyGrid (FCHJU):

The HyGrid project funded by the FCHJU focuses on the selective extraction of H2 from the natural gas grid through a novel membrane-based hybrid technology. The targeted recovery rate of 80% from 10% H2 in methane will be validated in a prototype system of 25 kg/day.

Together with a palladium membrane module, HyET’s EHP will be used to extract the H2 from the natural gas. A low-pressure drop of the gas mixture flowing through the EHP, together with a high recovery rate at a low energy demand are the most important targets. HyET has designed a new EHP platform for this application and is capable of extracting at least 60% of the H2 with an energy demand of only 4 kWh/kg.

This new EHP will be integrated into the prototype system together with the palladium membrane module and a temperature swing adsorber and will be validated in the second half of 2019 at a neighbor site.


Biomates:

The Biomates project is funded under the EU Horizon 2020 program. The project aims to convert 2nd generation biomass into high-quality bio-based intermediates, that can be used for the production of hybrid fuels.
In the conversion process, the bio-feedstock will be hydrotreated. HyET will supply the high-pressure hydrogen coming from water electrolysis powered by solar energy. HyET’s EHC will also be used to extract the hydrogen from the hydrotreater off the gas and simultaneously repressurize it. A recovery rate of at least 80% and an energy demand for the compression of pure hydrogen of 4 kWh/kg is set as a target in this project.

These targets will be validated in the hydroprocessing plant at the site of project partner CERTH in Thessaloniki, Greece.


MEMPHYS:

MEMPHYS is also funded under the FCHJU and aims to develop a membrane-based hydrogen purification system to reuse hydrogen from different industrial sources and compress it to 200 bar.

A current focus of HyET is the catalyst’s contaminant tolerance for CO, H2S, NH3 molecules typically found in process industry H2 streams. The new catalyst is being tested in this project, together with ozone cleaning of the catalyst and/or a perm-selective membrane module in the feed gas stream of the EHP. The best configuration will be selected and be integrated into a prototype system capable of purifying 5 kg/day of H2. Special attention will be on the degradation of the MEAs over time.


Previous projects

PurifHy:

The PurifHy project was funded by the Dutch government (TKI Gas) and aimed at enabling to inject renewable methane into the Dutch gas grid. The methane is produced in two separate processes. One process is biomass gasification and methanation, the other process is the methanation of H2 and CO2. From both processes, HyET’s EHP has reduced the remaining hydrogen concentration down to at least 0.5%, the Dutch limit of the H2 concentration in the natural gas grid.

At the Power2Gas pilot plant of Stedin in Rozenburg, the Netherlands, HyET’s EHP has been integrated and tested for a couple of hundred hours, showing that a recovery rate of 95% is feasible in a field test.