Joachim Koll

Title: The Innovations of Joachim Koll: Pioneering Hollow Fiber Membrane Technology

Introduction: Joachim Koll, an innovative inventor based in Schwarzenbek, Germany, has made significant contributions to the field of polymer membranes. With a total of five patents to his name, his work focuses on developing advanced methods for creating hollow fiber composite membranes that are instrumental in various filtration applications.

Latest Patents: One of Koll's latest inventions is a method for preparing isoporous hollow fiber composite membranes. This invention provides a coated hollow fiber membrane featuring an isoporous inner skin and a porous outer support membrane, effectively creating an inside-out isoporous composite structure. The preparation method involves passing a polymer solution through the lumen of the hollow fiber support membrane, followed by a unique treatment with a core gas stream and a non-solvent to achieve complete solvent removal. These membranes are particularly useful for microfiltration, ultrafiltration, and nanofiltration applications.

Another notable patent by Koll is directed towards the creation of macroporous or mesoporous polymer films in hollow fiber geometry. This method allows for the reliable production of ordered porous structures in a single processing step, utilizing a film-forming polymer solution and polyol diffusion. The resulting films have significant applications in filtration technologies, addressing the need for efficient membrane solutions.

Career Highlights: Throughout his career, Koll has been affiliated with notable research institutions, including the GKSS Research Centre Geesthacht GmbH and the Helmholtz-Zentrum Hereon GmbH. His work has not only advanced the knowledge in polymer membranes but also contributed to the practical implementation of these technologies in various industrial applications.

Collaborations: Koll has collaborated with distinguished professionals in his field, including Katrin Ebert and Volker Abetz. These partnerships have facilitated a productive exchange of ideas and expertise, further enhancing the impact of his innovative work on polymer membranes.

Conclusion: Joachim Koll stands out as a leading inventor in the domain of hollow fiber membranes. His pioneering work on isoporous composite membranes and porous polymer films embodies the spirit of innovation that drives advancements in filtration technology. As industries seek more efficient and effective solutions, Koll's contributions will remain highly relevant in shaping the future of membrane applications.