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PAPER PHYSICS. Bi-level optimization in papermaking process design
-
Mikko Linnala
and
Jari Hämäläinen
Published/Copyright:
November 8, 2018
Abstract
Model-based optimization is a sophisticated design tool for papermaking processes. In this paper, the method is extended from the unit process design and single-level optimization to the simultaneaus design of the process structure and operations. This is enabled by using a bi-level optimization formulation which allows to avoid unnecessary iterations between the process and automation designs. The bi-level optimization approach is studied here from the perspective of multiobj ective optimization and decision making. The method is illustrated by a case study in which the broke and water system structures and the papermaking process operations are optimized simultaneously.
Received: 2011-12-01
Accepted: 2012-04-03
Published Online: 2018-11-08
Published in Print: 2012-11-01
© 2018 by Walter de Gruyter Berlin/Boston
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Keywords for this article
Dynamic simulation;
Model-based optimization;
Process design;
Papermaking process
Articles in the same Issue
- Contents
- BIOREFINERY. Pressurised hot water extraction of acetylated xylan from birch sawdust
- BIOREFINERY. Nanocellulose characterization with mechanical fractionation
- MECHANICAL PULPING.Analysis method of high-consistency chip refiner forces
- MECHANICAL PULPING.Effect of long fibre concentration on low consistency refining of mechanical pulp
- CHEMICAL PULPING. Oxidative degradation of AOX in softwood-based kraft mill effluents from E C F bleachin g
- COATING. lnfluence of the distribution of the shape and size distribution of pigment particles on cracking in coating layers during creasin
- PRINTING.Natural zeolite as filler in base ink jet paper sheet
- PRINTING.Paper and printer effects on xerographic print quality
- PRINTING. The ageing resistance of offset and electrophotographic prints
- PAPER INK INTERACTIONS. The effect of coating pore structure and geometry on the drying efficiency of heatset web-offset ink solvent
- PAPER INK INTERACTIONS. Impact of oil-binder interaction on pore structure in paper coating as studied by internal reflectance Part 1 : implications of pore volume loss for print drying
- PAPER INK INTERACTIONS .Impact of oil-binder interaction on pore structure in paper coatings as studied by internal reflectance. Part 2: Relation to structural expansion
- PAPER PHYSICS. Bi-level optimization in papermaking process design
- PAPER PHYSICS. PIV measurements of flow through forming fabrics
- PAPER PHYSICS .The effect of newsprint furnish composition and sheet structure on wet pressing efficiency
- PAPER PHYSICS. The web structure in relation to the furnish composition and shoe press pulse profiles during wet pressing
- PAPER PHYSICS. Analytical Prediction of Package Collapse Loads-Basic considerations
- PAPER PHYSICS. Paper-based device for pre-concentration of target analytes
