Sergio Tuset is a chemical engineer with over 30 years of experience in the environmental engineering sector. He has been the founder and CEO of several renowned companies in the field, including Condorchem Envitech, Envitech France, Energy & Waste, and Nucleantech, playing a key role in their strategic and technological development.
His expertise lies in the design and implementation of advanced environmental treatment processes, with a strong focus on:
Thermal separation technologies (ZLD and MLD)
Membrane-based separation
Biogas cleaning and upgrading
Adsorption and advanced oxidation processes
Treatment of volatile organic compounds (VOCs)
Control of inorganic gas emissions (including DeNOx systems)
Industrial odor mitigation and organic solvent recovery
Over the course of his career, he has contributed to more than 400 environmental engineering projects worldwide, with a strong presence in Spain and across Europe. These projects have addressed complex challenges in high-impact industries such as battery manufacturing and recycling, power generation, metallurgy, chemical processing, and nuclear activities.
In addition to his technical work, Sergio Tuset has participated in international technical conferences, authored specialized publications, and is co-inventor of several national and international patents related to environmental technologies.
He currently acts as a senior technical consultant for several international companies in the sector, including:
Enviro Solutions (Spain)
Zewatech (Spain)
Envitech France (France)
CMM Group (United States)
Smart 5 (Germany)
Eco-Techno (Italy)
Jeontech (South Korea)
Additionally, he collaborates with a multidisciplinary consortium specialized in radioactive waste treatment and nuclear decommissioning, involving entities such as Nucleantech, SEYS, ENSA, ENWESA, and Naturgy Nuclear.
Environmental Consultant – Independent Professional 2022 – present
Advising international companies in the industrial and environmental sector on advanced treatment processes and project development.
Co-founder & Shareholder – Smart 5 Holding GmbH (Germany) 2020 – 2023
Strategic partner in a multidisciplinary engineering and innovation group focused on sustainable industrial solutions.
President & Co-founder – Envitech France S.A.S 2019 – present
Development of engineering solutions for water and air treatment tailored to the French industrial market.
CEO – Energy & Waste, S.L. (Spain)
2019 – 2022
Led technical strategy and business operations focused on circular economy and energy valorization from waste streams.
President & Co-founder – Condorchem Envitech LLC (USA) 2012 – 2022
Established and managed the US subsidiary, executing environmental projects for North American industries.
President & Co-founder – Condorchem Envitech SA de CV (Mexico) 2011 – 2022
Expansion of environmental engineering services in Latin America, with projects in metallurgy, chemicals and food industry.
CEO & Co-founder – Condorchem Envitech S.L. (Spain) 1995 – 2022
Founder and head of one of Spain’s leading companies in industrial environmental engineering.
R&D Head of Department – TRANSMESA (TUBACEX Group) 1987 – 1995
Led research and development in metallurgical processes, specializing in acid pickling systems and waste treatment.
• Participation in more than 400 environmental projects worldwide, mainly in Spain and Europe.
• Implementation of advanced solutions in thermal separation (ZLD and MLD) and VOC treatment.
• Key advice in projects to mitigate radioactivity in wastewater in Fukushima (Japan) and ENUSA in
its uranium mine in Saelices el Chico (Spain).
• Promotion of ethical values in business management with clients and collaborators.
• Implementation of the UN Global Compact in the companies managed, applying codes of good practices.
Degree in Chemical Engineering
Polytechnic University of Catalonia (UPC)
– 1982–1987
Master’s Degree in Metallurgical Engineering
University of Barcelona (UB) – 1996–1999
Executive MBA
IESE Business School – 2003–2005
Fundamentals of Wastewater Treatment
Water Environment Federation (WEF) – 2010
Thermal Desalination Technologies
HSI Training Solutions – 2012
Wastewater Treatment and Recycling
NPTEL – National Programme on Technology Enhanced Learning – 2013
Industrial Desalination
TEPCA – Technical Education Program for Clean Applications – 2013
Environmental Management Techniques
TEPCA – 2014
Advanced Wastewater Treatment
Water Expert Institute – 2022
Air Pollution Control for Industrial Facilities
Air & Waste Management Association (AWMA) – 2023
Spanish – Native
Catalan – Native
English – Fluent
Italian – Fluent
French – Intermediate
Promoter of sustainable development through the implementation of the United Nations Global Compact principles in company management
Advocate for long-term collaboration built on trust with clients, partners, and institutions
Publication of articles in specialized journals, as well as over 60 blog entries on applied environmental technologies
(Available at: blog.condorchem.com)
Co-author and co-inventor of three international industrial patents in the field of environmental engineering