Sciweavers

CCE
2004
13 years 4 months ago
Selecting appropriate control variables for a heat-integrated distillation system with prefractionator
A heat-integrated prefractionator arrangement is studied for a ternary separation of a propane
H. K. Engelien, Sigurd Skogestad
CCE
2004
13 years 4 months ago
Dynamic programming in a heuristically confined state space: a stochastic resource-constrained project scheduling application
The Resource-Constrained Project Scheduling Problem(RCPSP) is a significant challenge in highly regulated industries, such as pharmaceuticals and agrochemicals, where a large numb...
Jaein Choi, Matthew J. Realff, Jay H. Lee
CCE
2004
13 years 4 months ago
Thermodynamic uncertainties in batch processing and optimal control
Batch distillation is an important separation process for small-scale production especially in pharmaceutical, specialty chemical and biochemical industries. Although batch distil...
Saadet Ulas, Urmila M. Diwekar
CCE
2004
13 years 4 months ago
Workflow and information centered support of design processes - the IMPROVE perspective
Design process excellence is considered a major differentiating factor between competing enterprises since it determines the constraints within which plant operation and supply ch...
Wolfgang Marquardt, Manfred Nagl
CCE
2004
13 years 4 months ago
Nonequilibrium modeling of three-phase distillation
A nonequilibrium (NEQ) model for a complete three-phase distillation in tray columns is described. The model consists of a set of mass and energy balances for each of the three po...
A. Higler, R. Chande, R. Taylor, R. Baur, R. Krish...
CCE
2004
13 years 4 months ago
Cyclic short-term scheduling of multiproduct batch plants using continuous-time representation
The idea of cyclic scheduling is commonly utilized to address short-term scheduling problems for multiproduct batch plants under the assumption of relatively stable operations and...
Dan Wu, Marianthi G. Ierapetritou
CCE
2004
13 years 4 months ago
Integrated environmental performance assessment of chemical processes
A method for environmental performance assessment is presented in this paper. The proposed method considers the procedure for environmental performance comparison of design altern...
Xiao-ping Jia, Fang-yu Han, Xin-shun Tan