Prof. Dr.-Ing. Hermann Nirschl is head of chair of process machinery at the institute of mechanical process engineering and mechanics at the Karlsruhe Institute of Technology, focusing on process machinery in solid liquid separation, blending, milling, nanoscaled particle structures and numerical simulation. Dr. Karsten Keller is an Engineering Fellow of the Discovery Research group at Solae LLC (JV of Du Pont) and has over 20 years of process engineering experience. He is developing novel processes for protein and new product opportunities from the lab-scale to commercial production and is the author of over 70 publications on subjects of separation, modeling, particle technology, biotechnology and nanotechnology. He is the inventor of 8 patents worldwide.