Optimal operation of utility systems in petrochemical plants

Yeo, Yeong Koo; Roh, Hang Duk; Kim, In Won; Moon, Il; Chung, Yonsoo

doi:10.1007/bf02697229

Cited by 9 publications

(2 citation statements)

References 10 publications

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“…Mavromatis et al suggested methodologies to optimize a steam turbine network in a chemical plant. , Marechal et al developed an MILP model to optimize a utility plant using an expert system and then extended the model to consider multiple periods. , Eliceche et al dealt with a utility plant optimization problem considering the life-cycle impact on the environment . Yeo et al proposed a rule-based optimization system for a steam distribution network based on the experience of plant engineers. − …”

Section: Previous Workmentioning

confidence: 99%

Evaluation of Synergy Effect in the Horizontal Merger of Companies in a Petrochemical Complex

Yoon

Park

Lee

et al. 2009

Ind. Eng. Chem. Res.

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Mergers and acquisitions (M&As) have been actively carried out in the petrochemical industry. However, the synergy created by the merger of petrochemical companies has seen relatively little study, despite being the primary goal of a merger. This study deals with the horizontal merger of petrochemical companies located within a single complex. Synergies considered in this work stem from integration of the process network and the utility plant, reduction of fixed costs, and contracts in purchasing and selling. A novel mathematical model that represents the operation of a process network and a utility plant and the decisions for purchasing and selling contracts is formulated. Four contracts for purchasing and selling are considered. The proposed model is applied to three Korean companies at a naphtha cracking center (NCC) located in the same industrial complex. The results show that synergy effects from integration of the process network and the utility system, reduction of fixed costs, and increased market share together increase profit by 50%.

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Section: Previous Workmentioning

confidence: 99%

Evaluation of Synergy Effect in the Horizontal Merger of Companies in a Petrochemical Complex

Yoon

Park

Lee

et al. 2009

Ind. Eng. Chem. Res.

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“…Utilization of process models may be the most convenient way to improve the process performance (Yeo et al [1]). Various methods of modeling the paper drying process have been proposed.…”

Section: Introductionmentioning

confidence: 99%

Dynamic modeling of paper drying processes

Heo

Cho

Yeo

2011

Korean J. Chem. Eng.

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A dynamic model describing the behavior of a multi-cylinder drying section in paper production plants was developed based on the mass and heat balances around drying cylinders. The balance equations consist of sets of differential equations describing heat and mass transfer around the canvas, the web and the drying cylinders. Values of cylinder temperatures and moisture contents were estimated and compared with operation data. To obtain further information for energy consumption, the generation of entropy at each drying cylinder was investigated based on the model developed.

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Dynamics of the wet-end section in paper mills

Yeo

Ryu

2005

Korean J. Chem. Eng.

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Optimal operation of utility systems in petrochemical plants

Cited by 9 publications

References 10 publications

Evaluation of Synergy Effect in the Horizontal Merger of Companies in a Petrochemical Complex

Evaluation of Synergy Effect in the Horizontal Merger of Companies in a Petrochemical Complex

Dynamic modeling of paper drying processes

Dynamics of the wet-end section in paper mills

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