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- W2966537184 abstract "Flotation cells a solid-solid separation process based on the physical and chemicalproperties of the mineral particle surface. The process is widely used in the mineralprocessing industry for a low grade and finely disseminated ores to recover thevaluable mineral. It is also appliedin recycling and solvent extraction process. Theseare several problems associated withthis process namely:a) Poor product recovery due to inconsistent froth stabilityb) Lowproduct grade attributed to recover of undesired hydrophilic particlesc) High energy andmaintenance costof mechanical agitatord) Poor control of the cell's level.The main objective of this research project is to study a possible control type toimprove the level control mainly in advance control process. It definitely willenhance the recovery and purity of precious mineral from the ores. There were 5control types being evaluated in this study which are feedback, feed-forward,cascade, smith predictor and fuzzy logic control.The research work began with developing model of the flotation column processusing simulink toolkit within MATLAB software. It is succeeded with developmentof the abovementioned controlleronto the process model. For those control that usesconventional PID algorithm, similar tuning constant were applied. Each of thecontrol types were subjected to set point change on the level and disturbance (.i.e.ratio of valuable and waste within the feed). The performance for every control typewas evaluated and trends were compared.In conclusion, cascade control provides best performance both performance in setpointchange and rejecting disturbance." @default.
- W2966537184 created "2019-08-13" @default.
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- W2966537184 date "2004-10-01" @default.
- W2966537184 modified "2023-09-27" @default.
- W2966537184 title "Advanced Process Control of a Flotation Column" @default.
- W2966537184 hasPublicationYear "2004" @default.
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