Water temperature and flocculant concentration influence on the surface water clarification with process modeling

2014 
Applying the jar-test method, the influence of water temperature and coagulant Al-sulphate dosage on a clarification process of water from river Vrbas have been analysed, in order to obtain the required quality of raw water for certain purposes. The main observations during conduction of coagulation tests, are based on indirect indicators of the presence of colloidal particles - turbidity of water. Also, the other relevant process parameters - the content of natural organic matter (POM), pH, specific conductivity, the total content of organic matter and aluminum content, have been determinated. Based on the measured turbidity in optimal samples, a simple mathematical model was developed. Developed model can be applied to simulate the process of coagulation/flocculation, with the goal of optimisation of control and possible automation of process.
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