Solvay Acetow GmbH, Freiburg im Breisgau (Germany)
Focus: Process simulation/optimization in the field of cellulose acetate production as well as acetone and acetic acid recovery processes. Development of new measuring systems and integration of these into the production process
Research Assistant
IInstitute for Wastewater Management and Water Protection, TU Hamburg-Harburg
Project management of the sub-project "Use of solubility promoters and oxidants for the selective absorption of odorous substances from the co-fermentation of food waste" of the international joint project "Odour Control in the food industry"
Research focus: treatment of biogas
Process Engineering
Technical University Hamburg-Harburg
Diploma thesis: "Biological-chemical treatment of black water in a nutrient recycling system"
Process Engineering
ERASMUS: Université de Technologie de Compiègne, France
Excerpt
I have contributed to these publications
Books and brochures
Gayh, U., Turk-Seculic M., B. (Eds.) (2023, April): Democratia-Aqua-Technica – Innovative technical solution concepts for sustainable water resources management to promote the reduction of regional and local distribution conflicts, ISBN: 978-3-9822521-4-8, Heidelberg, Deutschland.
Bedu-Addo, K-. & Gayh, U (Eds.) (2021, March): Spaß mit Wasserexperimenten, Booklet zum Weltwassertag, Heidelberg, Deutschland
Gayh, U & Turk-Seculic M., B. (Eds.) (2021, February): Democratia-Aqua-Technica – E-Book ISBN: 978-3-9822521-1-7, Heidelberg, Deutschland
Gayh, U & Zevallos, B. (Eds.)(2020, September): Neckar Now Experience. Documentation of the Summer School Neckar Now: Transformative approaches for a sustainable future – engineering and architectural perspectives – E-Book ISBN 978-3-9822521-0-0, Heidelberg, Deutschland.
Gayh, U. (2012): Process intensification of biological desulphurisation of biogas. Hamburger Berichte zur Siedlungswasserwirtschaft, Band 80, Hrsg. GFEU e. V., ISBN 978-3-942768-05-4
Gayh, U.; Behrendt, J.; Otterpohl, R. (2010): Efficient Biological Treatment of Biogas. In: Odour Control, Verlag Abfall aktuell, Stuttgart, Hamburger Berichte, Bd. 36, ISBN 978-3-9812867-4-8, S. 53-68
Non Peer-Review
Antholz, M., Behrendt, J., Bettendorf, T., Braun, U., Gayh, U., Otterpohl, R. (2010): Der Schwarzwasserkreislauf - eine Neukonzeption zum effizienten Umgang mit Abwasser und seinen Inhaltsstoffen. gwf Wasser/Abwasser, 151(3), 294-307
Gayh, U., Hüppop, W., Tang, J., Toprak, M., Behrendt, J. and Otterpohl, R. (2010): Einsatz von Huminstoffen in der Biogasentschwefelung. gwf - Gas/Erdgas, S. 624-629
Antholz, M.; Behrendt, J.; Bettendorf, T.; Braun, U.; Gayh, U.; Otterpohl, R. (2009): Domestic Wastewater Recycling: Toilet-to-toilet and tap-to-tap, instead of toilet-to-tap. gwf Wasser Abwasser International, S1/2009
Peer-review
Bedu‑Addo, K., Gayh, U., · Waltenberg, D., De Regil Sánchez, I. L.; (2023) Performance evaluation of the Worms subsurface fow constructed wetland for treating black water using insitu and exsitu analytical methods , Discover Water, Springer https://link.springer.com/article/10.1007/s43832-023-00026-0
Gayh, U., De Regil Sánchez, I. L, Bedu‑Addo, K., Waltenberg, D., (2023)Caracterizatión del agua de humedla construido en Alemania para comparative con humedal en Jalisco. Proyecto “Your ideas to practice , Ecosistema de los bio y agro emprendimientos en la región occidente de México, UNIVA, ISBN: 978-607-8153-82-4
Gayh, U. (2023, March) Policies, regulations and guidelines for prevention and mitigation of flood and related disasters, Conference “The Revival of Rivers and Water Management”, Pune, India (11.3.2023)
Gayh, U., M. Turc-Seculic, B. Zierock (2021): The Initiative Democratia-Aqua-Technica - using a cross-media approach for developing sustainable projects, Third World Symposium onSustainability Science and Research, online (April 8th, 2021)
Gayh, U. (2020): Sustainable water resources management for water sensitive cities. Online-Presentation at the International Engineering Congress “Smart Cities: An emerging approach towards sustainable development”, Tecnologico Nacional de Mexico, Misantla, Mexico (November 27th, 2020)
Gayh, U. (2020): Nuevos sistemas de saneamiento alternativos. Online-Presentation at the 6o Foro Internacional Desarrollo Local Sostenible The Global Edition, Universidad del Valle de Atemajac Campus La Piedad, La Piedad, Mexico (November 24th, 2020)
Gayh, U. (2020): Democratia-Aqua-Technica. Online-Presentation at V Seminario de Energias Renovables UNIVA-DAAD 2020, Universidad del Valle de Atemajac, Guadalajara, Mexico (October 29th, 2020)
Gayh, U. (2019): Renewable Energies Management: Experiences at SRH University Heidelberg. Presentation at IV Seminario de Energias Renovables UNIVA-DAAD 2019, Universidad del Valle de Atemajac, Guadalajara, Mexico (September 27th, 2019)
Gayh, U. (2020, September): Sustainable water resources management for water sensitive cities -Vortrag. 1st Digital Conference “Democratia-Aqua-Technica” from 24th until 25th of September 2020, Heidelberg, Deutschland.
Gayh U., Zevallos B. & Garcia C. (2019, November): Neckar Now Summer School Visible CORE – Insight and inside of CORE Principle.- Poster Präsentation, Heidelberg, Deutschland.
Behrendt, J-; Deegener, St.; Antholz, M.; Bettendorf, T.; Gayh, Ul; Tettenborn, F.; Otterpohl, R. (2018): Nutrient Recovery from Toilet Waste. Presentation at Technical University of Beijing Beijing, China (March 16th, 2018)
Behrendt, J,; Antholz, M.; Bettendorf, T.; Braun, U.; Deegener, St.; Gayh, U.; Tettenborn, F.; Wendland, C.; Otterpohl, R. (2013): Saneamiento con respeto a los recursos. Presentación en el Curso de Urbanismo y Arquitectura Girona, Cataluña, España (5 de Junio 2013)
Behrendt, J.; Antholz, M.; Bettendorf, T.; Gayh, U.; Tettenborn, F. and Otterpohl, R. (2011): The Loo Loop System for Water Saving and Nutrient Recovery. Presentation at the Graduate University of Chinese Academy of Sciences Beijing, China February 27th, 2011
Behrendt, J.; Antholz, M.; Bettendorf, T.; Gayh, U.; Tettenborn, F. and Otterpohl, R. (2011): New Developments in Resources Orientated Sanitation. Contribution at the Sino-German Scientific Seminar: Technical, financial and political solutions for energy generation from urban waste and its contribution to climate protection Xiamen, China (February 29 to March 6, 2011)
Gayh, U., Stooß, A., Behrendt, J. and Otterpohl, R. (2010): Desulphurisation of Biogas - Analysis, evaluation and optimisation. In Proceedings of Venice 2010. Third International Symposium on Energy from Biomass and Waste. 8.11 - 11.11.2010
Gayh, U.; Behrendt, J.; Otterpohl, R. (2010): Optimising Biological Desulphurisation of Biogas by Addition of Humic Substances. Proceeding 041-A of the 3rd International Conference on Engineering for Waste and Biomass Valorisation May 17-19, 2010
Gayh, U. (2009): Optimierung der Absorption und des biologischen Abbau von H2S aus Biogas. Biogas 2009, 2. Innovationskongress, Zentrum für Umweltkommunikation der Deutschen Bundesstiftung Umwelt [DBU], Osnabrück, 11.-12.06.2009, TU Hamburg-Harburg, 2009, Hildesheim
Gayh, U., Behrendt, J., Otterpohl, R. (2009): Analyse und Optimierung des biologischen Abbaus von H2S aus dem Absorbat der Biogaswäsche. In: "Abwasser als Ressource" - Kreislaufschließung, Energie- und Wertstoffrückgewinnung, Bremer Colloquium Produktionsintegrierte Wasser-/Abwassertechnik. 28.9.2009-29.09.2009. Bremen, Germany, pp. G-75 - G-80
Gayh, U., Behrendt, J., Otterpohl, R. (2009): Optimierung des biologischen Entschwefelungsprozesses durch den Einsatz von Huminstoffen. In: Nachhaltig wachsen mit Biogas, 4. Biogasfachkongress, 24.11.2009. Hitzacker, Germany
Gayh, U., Behrendt, J., Otterpohl, R. (2009): Optimising biological desulphurisation with the addition of humic substances. In: Internationale Wissenschaftskonferenz Biogas Science. 2.12.2009-4.12.2009. Erding, Germany
Public media contributions
Water Technology - praxisnah studieren - Radio Regenbogen, 10.02.2020
Weltwassertag und Studiengang Water Technology - Radio Regenbogen, 22.03.2021
