We contribute to decarbonisation and sustainable development with clean, green hydrogen

Our mission

Amnis pura is a company with a strong R&D component dedicated to gas purification technologies.

The close collaboration with the Faculty of Engineering of the University of Porto and the participation of the co-founders in various European projects has generated solid foundations of knowledge in the area of adsorption processes, particularly “pressure swing adsorption”.

The high level of experience in this field and the trust of customers have enabled Amnis Pura to have units operating in 10 countries and 4 continents.

The company's management team

Paulo Ribeirinha

Executive director and co-founder
PhD in Chemical and Biological Engineering

6 years of experience as an F16 Aircraft Maintenance Officer in the Portuguese Air Force.
Experienced leader with strong communication skills focused on clean and sustainable energy.
Strong focus on business strategy combined with intercultural skills, ensuring coherence in the integrity of ethical principles.

Frederico Moura Relvas

Technology Director and co-founder
PhD in Chemical and Biological Engineering

A strong technical leader and supervisor focusing on pressure swing adsorption separation processes. With a strong project-driven development approach, the goal is to increase the performance and efficiency of advanced, customized PSA technologies around the world.

Michael Weber


Senior manager and management consultant with over 30 years of experience in the high-tech industry. Strong strategic, business development and intercultural skills, ensuring excellent operational and management experience.

José Pedro Barge

Project and Design Department

Carlos Teixeira

Automation Department

Liliana Mendes

Quality Department

Sílvia Coelho Pacheco

Project Management Department