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An export coefficient model of diffuse pollution at large scales has been developed as part of a larger study investigating and mapping the present and future patterns of the quantity and quality of European water resources. The model was developed to provide reasonable estimates across the whole of Europe based on readily accessible datasets, and that would be amenable to application within a gridded...
Most of wastewater effluent parameters are difficult to measure online. Many soft-sensing methods have been used to predict them, such as the mechanistic approaches and artificial neural networks. In this paper, improved least squares support vector machines for regression (LS-SVR) is proposed. Benchmark Simulation Model No.1 (BSM1) is used to generate input-output data, then effluent parameters,...
Stoichiometric proportionalities were derived that can be used to convert reported BOD values of organic wastes to C, N and P estimates. Ratios to approximate the dissolved inorganic fractions of N and P from reported TN and TP values were also obtained. Stoichiometric ratios were determined for various kinds of organic waste load.
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