A prototype computer‐based design environment was developed to facilitate wastewater treatment plant design tasks. The design environment includes several mathematical techniques, interactive graphic displays, and user‐friendly interfaces. The mathematical techniques are mass and water balances for an analysis program for plant design and a rule‐based system for evaluating the likelihood of sludge bulking. A processor is also used to check a given design using existing design standards. The interactive graphic displays and the user interfaces are intended to provide a user‐friendly environment for manipulating data, models, and solutions. Sensitivity analyses can be performed for models as well as parameters. The features of the computer‐based system are described, and suggestion for extensions are given.
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Kao et al. (1993) studied this question.