HANS VRIJENHOEF

Hans Vrijenhoef, studied chemical engineering at the Technical university Delft and Graduated in 1982. After various jobs in the Exxon Mobil and Kemira’s  large scale ammonia and fertiliser operations in Rotterdam Europoort, he started Proton Ventures BV in 2001, with the aim to green society by using green ammonia. Having several jobs in ammonia large scale ammonia storage projects ( up to 60000 ton), Proton Ventures has developed a scalable modular ammonia production concept based on renewable energy, flared gasses and waste gasses. Also Proton has been involved in various Denox ,Hydrochloric acid, urea and nitric acid projects in Europe, Africa, Middle east and North America.

As part of the public acceptance for Green ammonia, Hans has been organising the yearly NH3events Europe conference in Rotterdam in the last 7 years reaching nowadays over 200 participants in previous edition. Lately, he has been elected Executive VP , President and now VP past of the worldwide Ammonia Energy Association.

Today, Proton Ventures is part of the Transhydrogen Alliance in which Proton plays an important role to secure green energy (hydrogen/ammonia) for western Europe.

Hans Vrijenhoef did invest in a new patented Cracker Technologyand also has invested in the Battolyser technology and was the CEO of the TUDelft Spin-off since 2018 till 2021. Today Battolyser BV is focusing on over 100 MW of Battolysers to supply annually towards the market as of 2025.

In 2022 Hans retired from Proton Ventures as CEO but keeps focusing on supporting and consulting governments and  ( start-up) companies in the ( clean) ammonia business environment.  

Hans Vrijenhoef has been and continues to be involved in projects to realise his ambition to green our society, making use of renewable energy as much as possible on an affordable way.

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