FORMULATION OF A GENERAL MODEL FOR SIMULATION OF pH IN WASTEWATER TREATMENT PROCESSES
A general pH model was formulated to include all of the major acid-base systems and strong ions typically found in municipal wastewaters. The objective of the model is to provide a method to calculate the pH throughout the activated sludge plant, including the liquid and solids lines. This is necessary to support accurate modeling of biological and physico-chemical processes. The model was incorporated into the BioWinV2.1 wastewater treatment plant simulator and tested on several clean-water acid-base titrations. The model also was shown to predict the response of a nitrification rate test in which ammonia and carbon dioxide stripping were significant factors.
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Document Type: Research Article
Publication date: 2003-01-01
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