Affiliation:
1. Ruhr University Bochum Urban Water Management and Environmental Engineering Universitätsstraße 150 44801 Bochum Germany
2. Ostwestfalen-Lippe University of Applied Sciences and Arts Biotechnology & Bioprocess Engineering Campusallee 12 32657 Lemgo Germany
Abstract
AbstractIn anaerobic technology, pH values are crucial for targeted volatile fatty acid production. While pH dynamics can be modeled using the Anaerobic Digestion Model No. 1 (ADM1), simulation results may be biased. To address this issue, the pH prediction routine of Visual Water, a specialized water chemistry simulator, was validated. Unlike ADM1, it accounts for ionic strength and activities while also providing an automated uncertainty analysis. The analysis revealed Visual Water simulations to better fit measured pH data from acidic solutions in a miniaturized stirred‐tank reactor.