Adaptive Dual Composition Control of a Binary Distillation Column with a Heat Pump

Nielsen, Claus Suldrup; Andersen, Heidi Lie; Brabrand, H.; Jørgensen, Sten Bay

doi:10.1016/s1474-6670(17)53824-0

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1990

1993

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Cited by 3 publications

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“…Mosler (1974) and Quadri (1981) give qualitative discussions of control schemes for maintaining column inventories. Nielsen et al (1988) reported the use of an adaptive multivariable controller in a pilot-plant column with ex-* Author to whom correspondence should be addressed. f Present address: Air Products and Chemicals, Inc., Allentown, PA 18195.…”

mentioning

confidence: 99%

Control of vapor recompression distillation columns

Muhrer¹,

Collura²,

Luyben³

1990

Ind. Eng. Chem. Res.

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mentioning

confidence: 99%

Control of vapor recompression distillation columns

Muhrer¹,

Collura²,

Luyben³

1990

Ind. Eng. Chem. Res.

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Dynamics and Control of Distillation Columns - A Critical Survey

Skogestad¹

1993

Dynamics and Control of Chemical Reactors, Distillation Columns and Batch Processes

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Identification of Distillation Process Dynamics Comparing Process Knowledge and Black Box Based Approaches

Rasmussen

Nielsen

Jørgensen

1990

1990 American Control Conference

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Absract A distilation plant equipped with a heat pump separates a mixture of isopropanol and methanol. The mixture contains some water as impurity. The model development aims at dual composition control design, where top and bottom compositions should follow the setpoints, and disturbances should be rejected. Disturbances may occur in feed low rate and feed composition. Identification is performed using multivariable linear discrete time model structure development tools: a process knowledge based and a black box approach. In the process knowledge based approach, the model structure is developed from qualitative process knowledge which presently may require modification to guarantee identifiability. The black box approach is based on pseudocanonical MFD model representation, where the model stracture is determined by a set of structure indices. The identifications are performed on experimental data obtained in closed loop operation of the distillation plant. In the present work, the two approaches are compared in terms of how well the model fits, and predicts the data, the conditioning of the model parameter estimation, and convenience of usage.

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Adaptive Dual Composition Control of a Binary Distillation Column with a Heat Pump

Cited by 3 publications

References 5 publications

Control of vapor recompression distillation columns

Control of vapor recompression distillation columns

Dynamics and Control of Distillation Columns - A Critical Survey

Identification of Distillation Process Dynamics Comparing Process Knowledge and Black Box Based Approaches

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