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Optimization of procurement and production planning model in refinery processes considering corrosion effect / Junghwan Kim in Industrial & engineering chemistry research, Vol. 51 N° 30 (Août 2012) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 51 N° 30 (Août 2012) . - pp. 10191-10200 Titre : Optimization of procurement and production planning model in refinery processes considering corrosion effect Type de document : texte imprimé Auteurs : Junghwan Kim, Auteur ; Kyungjae Tak, Auteur ; Il Moon, Auteur Année de publication : 2012 Article en page(s) : pp. 10191-10200 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Corrosion  Refinery  Modeling  Production  planning  Optimization Résumé : This study focused on finding optimal procurement and production planning including corrosion effect. We developed the corrosion forecasting and cost model, which are combined in the procurement and production planning model. The corrosion cost model was presented to calculate cost depending on corrosion rate estimated by corrosion factors, which are H+, Cl―, H2S, and CO2. This study found the optimal results such as the optimal amount of crude to be purchased and optimal design. Several case studies are also included in this study to analyze and improve the optimization production planning model of petrochemical and refinery processes. Although the government regulation requires the operating cycle time as 4 years, this study reveals that the profit per day is increasing up to 5 years if the corrosion is considered. This result increases the net profit per day about 4.14% in a crude distillation unit (CDU) process with 120000 barrels per day capacity. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26201435 [article] Optimization of procurement and production planning model in refinery processes considering corrosion effect [texte imprimé] / Junghwan Kim, Auteur ; Kyungjae Tak, Auteur ; Il Moon, Auteur . - 2012 . - pp. 10191-10200. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 30 (Août 2012) . - pp. 10191-10200 Mots-clés : Corrosion  Refinery  Modeling  Production  planning  Optimization Résumé : This study focused on finding optimal procurement and production planning including corrosion effect. We developed the corrosion forecasting and cost model, which are combined in the procurement and production planning model. The corrosion cost model was presented to calculate cost depending on corrosion rate estimated by corrosion factors, which are H+, Cl―, H2S, and CO2. This study found the optimal results such as the optimal amount of crude to be purchased and optimal design. Several case studies are also included in this study to analyze and improve the optimization production planning model of petrochemical and refinery processes. Although the government regulation requires the operating cycle time as 4 years, this study reveals that the profit per day is increasing up to 5 years if the corrosion is considered. This result increases the net profit per day about 4.14% in a crude distillation unit (CDU) process with 120000 barrels per day capacity. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26201435

Parameter - based model for the forecasting of pipe corrosion in refinery plants / Seungnam Kim in Industrial & engineering chemistry research, Vol. 50 N° 22 (Novembre 2011) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 50 N° 22 (Novembre 2011) . - pp. 12626-12629 Titre : Parameter - based model for the forecasting of pipe corrosion in refinery plants Type de document : texte imprimé Auteurs : Seungnam Kim, Auteur ; Junghwan Kim, Auteur ; Il Moon, Auteur Année de publication : 2012 Article en page(s) : pp. 12626-12629 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Refinery  Corrosion  Modeling Résumé : Corrosion of devices and pipes in refinery and petrochemical plants cause problems like deterioration of process efficiency and equipment reliability etc. Hence, a suitable technology is required to prevent accident caused by corrosion and raise process efficiency by forecasting the degree of corrosion. The corrosion problems on the top of the distillation column are more serious due to corrosive substances like hydrogen sulfide and chlorine etc. Therefore, in this study, corrosion rate was forecasted and applied through analysis of the corrosion mechanism on the top of refinery distillation column and the validity of the model was checked using the actual data.: considering interference effect caused by competitive reactions between caustic substances. The four components that affect corrosion the most, H2S, CO2, H+, and Cl-, were selected through analysis of the mechanism of corrosion on the top of refinery distillation tower. The model for the analysis of corrosion mechanism was analyzed in the viewpoint of transport phenomenon and reaction engineering, and parameters were estimated with the use of least-squares method. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=24745738 [article] Parameter - based model for the forecasting of pipe corrosion in refinery plants [texte imprimé] / Seungnam Kim, Auteur ; Junghwan Kim, Auteur ; Il Moon, Auteur . - 2012 . - pp. 12626-12629. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 50 N° 22 (Novembre 2011) . - pp. 12626-12629 Mots-clés : Refinery  Corrosion  Modeling Résumé : Corrosion of devices and pipes in refinery and petrochemical plants cause problems like deterioration of process efficiency and equipment reliability etc. Hence, a suitable technology is required to prevent accident caused by corrosion and raise process efficiency by forecasting the degree of corrosion. The corrosion problems on the top of the distillation column are more serious due to corrosive substances like hydrogen sulfide and chlorine etc. Therefore, in this study, corrosion rate was forecasted and applied through analysis of the corrosion mechanism on the top of refinery distillation column and the validity of the model was checked using the actual data.: considering interference effect caused by competitive reactions between caustic substances. The four components that affect corrosion the most, H2S, CO2, H+, and Cl-, were selected through analysis of the mechanism of corrosion on the top of refinery distillation tower. The model for the analysis of corrosion mechanism was analyzed in the viewpoint of transport phenomenon and reaction engineering, and parameters were estimated with the use of least-squares method. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=24745738

Speed of sound and excess isentropic compressibility of 1,3-dioxolane or 1,4-dioxane + butan-1-ol or + butan-2-ol binary mixtures at 308.15 K and atmospheric pressure / Satish Kumar in Industrial & engineering chemistry research, Vol. 49 N° 18 (Septembre 2010) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 49 N° 18 (Septembre 2010) . - pp. 8365-8368 Titre : Speed of sound and excess isentropic compressibility of 1,3-dioxolane or 1,4-dioxane + butan-1-ol or + butan-2-ol binary mixtures at 308.15 K and atmospheric pressure Type de document : texte imprimé Auteurs : Satish Kumar, Auteur ; V. K. Sharma, Auteur ; Il Moon, Auteur Année de publication : 2010 Article en page(s) : pp. 8365-8368 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Atmospheric  pressure  Binary  mixture  Compressibility Résumé : Speed of sound (u12) of 1,3-dioxolane or 1,4-dioxane (1) + butan-1-ol or + butan-2-ol (2) binary mixtures were measured over entire composition range at 308.15 K and atmospheric pressure. The experimental data have been used to evaluate isentropic and excess isentropic compressibilities (κEs)12. Two methods, Redlich-Kister and Graph theory, were used to compute and correlate (κEs)12 values. Hence, (κEs)12 values were fitted to Redlich-Kister polynomial equation to derive binary coefficients and the standard errors between experimental and calculated quantities. (κEs)12 values were also analyzed by Graph theory, which involves the topology of the components of the mixture, to extract information about the state of components in pure and mixture states. It has been observed that (κEs)12 values analyzed by Graph theory compare well with their corresponding experimental values. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=23213969 [article] Speed of sound and excess isentropic compressibility of 1,3-dioxolane or 1,4-dioxane + butan-1-ol or + butan-2-ol binary mixtures at 308.15 K and atmospheric pressure [texte imprimé] / Satish Kumar, Auteur ; V. K. Sharma, Auteur ; Il Moon, Auteur . - 2010 . - pp. 8365-8368. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 49 N° 18 (Septembre 2010) . - pp. 8365-8368 Mots-clés : Atmospheric  pressure  Binary  mixture  Compressibility Résumé : Speed of sound (u12) of 1,3-dioxolane or 1,4-dioxane (1) + butan-1-ol or + butan-2-ol (2) binary mixtures were measured over entire composition range at 308.15 K and atmospheric pressure. The experimental data have been used to evaluate isentropic and excess isentropic compressibilities (κEs)12. Two methods, Redlich-Kister and Graph theory, were used to compute and correlate (κEs)12 values. Hence, (κEs)12 values were fitted to Redlich-Kister polynomial equation to derive binary coefficients and the standard errors between experimental and calculated quantities. (κEs)12 values were also analyzed by Graph theory, which involves the topology of the components of the mixture, to extract information about the state of components in pure and mixture states. It has been observed that (κEs)12 values analyzed by Graph theory compare well with their corresponding experimental values. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=23213969