Nonlinear behavior of reactor-separator-recycle systems

Costin S. Bildea; Alexandre C. Dimian; Piet D. Iedema

doi:10.1016/S0098-1354(00)00515-9

Nonlinear behavior of reactor-separator-recycle systems

Costin S. Bildea, Alexandre C. Dimian, Piet D. Iedema

Research output: Contribution to journal › Conference article › peer-review

45 Citations (Scopus)

Abstract

The nonlinear behavior of reactor-separator-recycle systems is studied. The dimensionless mole-balance equations are parameterized by the plant Damkohler number (Da) and the separation specifications. Reactant accumulation does not occur if Da > Da(cr). Da(cr) corresponds to a bifurcation point of the mole-balance equations and depends on separation performance. For one reactant recycle and high purity separation, Da(cr)=1. When two reactants are recycled, multiple steady states are possible. In this case, Da(cr) depends also on the control structure. Close to Da(cr), control structures must change the reaction volume or temperature in order to reject effectively the disturbances. (C) 2000 Elsevier Science Ltd.

Original language	English
Pages (from-to)	209-215
Number of pages	7
Journal	Computers and Chemical Engineering
Volume	24
Issue number	2-7
DOIs	https://doi.org/10.1016/S0098-1354(00)00515-9
Publication status	Published - Jul 15 2000
Externally published	Yes
Event	7th International Symposium on Process Systems Engineering - Keystone, CO, USA Duration: Jul 16 2000 → Jul 21 2000

Keywords

Control
Design
Nonlinear analysis
Reactor-separator-recycle

ASJC Scopus subject areas

General Chemical Engineering
Computer Science Applications

Access to Document

10.1016/S0098-1354(00)00515-9

Cite this

@article{b2e265d12bf9447eb4bc00ddbbf8f975,

title = "Nonlinear behavior of reactor-separator-recycle systems",

abstract = "The nonlinear behavior of reactor-separator-recycle systems is studied. The dimensionless mole-balance equations are parameterized by the plant Damkohler number (Da) and the separation specifications. Reactant accumulation does not occur if Da > Da(cr). Da(cr) corresponds to a bifurcation point of the mole-balance equations and depends on separation performance. For one reactant recycle and high purity separation, Da(cr)=1. When two reactants are recycled, multiple steady states are possible. In this case, Da(cr) depends also on the control structure. Close to Da(cr), control structures must change the reaction volume or temperature in order to reject effectively the disturbances. (C) 2000 Elsevier Science Ltd.",

keywords = "Control, Design, Nonlinear analysis, Reactor-separator-recycle",

author = "Bildea, {Costin S.} and Dimian, {Alexandre C.} and Iedema, {Piet D.}",

year = "2000",

month = jul,

day = "15",

doi = "10.1016/S0098-1354(00)00515-9",

language = "English",

volume = "24",

pages = "209--215",

journal = "Computers and Chemical Engineering",

issn = "0098-1354",

publisher = "Elsevier",

number = "2-7",

note = "7th International Symposium on Process Systems Engineering ; Conference date: 16-07-2000 Through 21-07-2000",

}

TY - JOUR

T1 - Nonlinear behavior of reactor-separator-recycle systems

AU - Bildea, Costin S.

AU - Dimian, Alexandre C.

AU - Iedema, Piet D.

PY - 2000/7/15

Y1 - 2000/7/15

N2 - The nonlinear behavior of reactor-separator-recycle systems is studied. The dimensionless mole-balance equations are parameterized by the plant Damkohler number (Da) and the separation specifications. Reactant accumulation does not occur if Da > Da(cr). Da(cr) corresponds to a bifurcation point of the mole-balance equations and depends on separation performance. For one reactant recycle and high purity separation, Da(cr)=1. When two reactants are recycled, multiple steady states are possible. In this case, Da(cr) depends also on the control structure. Close to Da(cr), control structures must change the reaction volume or temperature in order to reject effectively the disturbances. (C) 2000 Elsevier Science Ltd.

AB - The nonlinear behavior of reactor-separator-recycle systems is studied. The dimensionless mole-balance equations are parameterized by the plant Damkohler number (Da) and the separation specifications. Reactant accumulation does not occur if Da > Da(cr). Da(cr) corresponds to a bifurcation point of the mole-balance equations and depends on separation performance. For one reactant recycle and high purity separation, Da(cr)=1. When two reactants are recycled, multiple steady states are possible. In this case, Da(cr) depends also on the control structure. Close to Da(cr), control structures must change the reaction volume or temperature in order to reject effectively the disturbances. (C) 2000 Elsevier Science Ltd.

KW - Control

KW - Design

KW - Nonlinear analysis

KW - Reactor-separator-recycle

UR - http://www.scopus.com/inward/record.url?scp=0034660715&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0034660715&partnerID=8YFLogxK

U2 - 10.1016/S0098-1354(00)00515-9

DO - 10.1016/S0098-1354(00)00515-9

M3 - Conference article

AN - SCOPUS:0034660715

SN - 0098-1354

VL - 24

SP - 209

EP - 215

JO - Computers and Chemical Engineering

JF - Computers and Chemical Engineering

IS - 2-7

T2 - 7th International Symposium on Process Systems Engineering

Y2 - 16 July 2000 through 21 July 2000

ER -

Nonlinear behavior of reactor-separator-recycle systems

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this