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Home > Press > Painting with catalysts: nano-engineered materials for detoxifying water by use of sunlight - EU supports project “4G-PHOTOCAT” with 3.7 million Euro funding

Catalysts for painting: Together with their international colleagues, RUB researchers develop catalysts that detoxify water with the aid of sunlight and aerial oxygen. They aim to fabricate the catalysts as a liquid paint. Copyright: Radim Beránek
Catalysts for painting: Together with their international colleagues, RUB researchers develop catalysts that detoxify water with the aid of sunlight and aerial oxygen. They aim to fabricate the catalysts as a liquid paint.

Copyright: Radim Beránek

Abstract:
Only light, aerial oxygen, and a catalyst are needed to remove pollutants from water. RUB researchers led by Prof. Radim Beránek collaborate with colleagues from seven different countries in order to develop a photocatalyst that is efficient enough to be profitable. For that purpose, they combine sunlight-absorbing semiconductors and nanostructured materials which they optimize for electron transfer processes. The aim is to implement the newly developed photocatalysts into a liquid paint with which photoreactors can easily be coated. The EU supports the project within its 7th Framework Programme (FP7) with 3.7 million Euro funding for three years.

Painting with catalysts: nano-engineered materials for detoxifying water by use of sunlight - EU supports project “4G-PHOTOCAT” with 3.7 million Euro funding

Bochum, Germany | Posted on February 20th, 2013

Current problems of photocatalysis

People from many countries of the world extensively use pesticides which contaminate drinking and irrigation water with toxic organic compounds. In rural areas of Vietnam, herbicides and dioxins, resistant to degradation, made their way into the water cycle during the Vietnam war. Cancer and abnormalities in newborns can be the consequence. "Photocatalysis is potentially one of the cheapest and most efficient methods for purifying water from pollutants," Radim Beránek says. Sunlight and oxygen establish oxidizing conditions under which toxins are easily degraded into non-harmful substances like water and carbon dioxide. Up to now the process, however, faces two problems: degradation rates are too low and assembly of the needed photoreactors is too expensive.

The aim: cheeper and more efficient catalysts

Within the project "4G-PHOTOCAT", the researchers aim to develop cost-efficient photocatalysts with a considerably improved degradation rate. Therefore they fabricate innovative composite materials consisting of semiconductors and nanostructured metal oxides. In order to achieve the optimal architecture for the product, they employ advanced chemical deposition techniques with a high degree of control over composition and morphology. "Our ultimate goal is to implement the newly developed photocatalysts into a liquid paint," Radim Beránek says. "Photoreactors painted with that liquid can be used, for example, for water decontamination in remote rural areas of Vietnam."

Collaborators

"4G-PHOTOCAT "allies the expertise of seven academic and three industrial partners from five European countries and two Southeast Asian countries. At the RUB, Prof. Dr. Radim Beránek collaborates with Prof. Dr. Roland A. Fischer (Inorganic Chemistry II), Prof. Dr. Martin Muhler, and Dr. Jennifer Strunk (Industrial Chemistry). The international collaborators include scientists from the University College London, J. Heyrovský Institute of Physical Chemistry in Prague, Jagiellonian University Krakow, University of Helsinki, Universiti Teknologi Malaysia, and Hanoi University of Agriculture. Furthermore, industrial partners from Finland (Picosun), Czech Republic (Advanced Materials), and Vietnam (Q&A) have joined the team.

Editorial journalist: Dr. Julia Weiler

####

About Ruhr-Universitaet-Bochum
The sixth biggest university in Germany.

Located in the midst of the dynamic, hospitable metropolitan area of the Ruhr, in the heart of Europe, the Ruhr-Universität Bochum (RUB) with its 20 faculties, RUB’s disciplinary institutional units, is home to 5,000 employees and over 36,500 students from 130 countries. All the great scientific disciplines are united on one compact campus.

The RUB is on its way to becoming one of the leading European universities of the 21st Century. Almost all courses are offered as Bachelor and Master degree programmes. Our excellence programmes have made themselves an international name: Our Research School is an international college for structured doctoral research in the life sciences, natural sciences, engineering, the humanities and social sciences. Interfaculty and interdisciplinary Research Departments, which are mutually, nationally and internationally networked, sharpen the profile of the RUB. Added to this is an unsurpassed programme for the promotion of Early Career Researchers, and an excellent infrastructure.

What makes it all come alive is the people who meet on campus with their thirst for knowledge, their curiosity, and their commitment. They help shape the RUB and their open-mindedness makes the RUB an attractive place for people from around the world.

For more information, please click here

Contacts:
Jun.-Prof. Dr. Radim Beránek
Photoactive Materials Group
Faculty of Chemistry and Biochemistry
Ruhr-Universität
44780 Bochum, Germany
Tel. +49/234-32-29431

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