000187707 001__ 187707
000187707 005__ 20190316235657.0
000187707 037__ $$aCONF
000187707 245__ $$aEnergy efficiency improvement by applying thermodynamic optimization of distillation columns in the site scale integration
000187707 269__ $$a2013
000187707 260__ $$c2013
000187707 336__ $$aConference Papers
000187707 520__ $$aThis study aims to improve the energy efficiency of an industrial site by applying the thermodynamic analysis of distillation columns together with the total site integration (TSI). Several methods have been proposed in the literatures for the thermodynamic analysis of columns. All of these efforts evaluate the energy efficiency improvement potentials limited to the distillation unit; however the column is part of a process system. Therefore bigger savings can be identified by considering the column together with the background process in TSI. Moreover some of improvement options proposed by single column analysis could appear as a disadvantage in overall process integration. In this paper, the top-down column targeting approach is used for the thermodynamic analysis and the result is evaluated applying TSI. Different steps of the analysis are presented. The process energy requirements are identified and the grand composite curve (GCC) of the total site is built. The ideal and actual temperature-enthalpy (T-H) profiles of distillation columns are generated. Based on the column targeting method, improvement options are proposed with different configuration of column over reflux ratio. In addition, feed conditions, side-reboiler in the stripping section, side-condenser in the rectifying section and heat pumping systems between intermediate stages are analyzed by applying the plus minus principle. Moreover, for the heat integration of distillation to the background process, a new representation for the ideal T-H profile of column is proposed. The results of the column targeting analysis are evaluated by calculating their effect on the TSI using the GCC of the process system. The results emphasize the importance of TSI in the integration of side exchangers and heat pump to the distillation column. The application of the proposed methodology is demonstrated through an industrial case study highlighting the different steps and the potential of this approach.
000187707 6531_ $$aEnergy efficiency
000187707 6531_ $$aColumn targeting
000187707 6531_ $$aTotal Site Integration (TSI)
000187707 6531_ $$aDistillation column
000187707 6531_ $$aColumn Grand Composite Curve (CGCC)
000187707 700__ $$0244513$$g183678$$aPouransari, Nasibeh
000187707 700__ $$aTanguy, Didier
000187707 700__ $$aBocquenet, Gerald
000187707 700__ $$aMaréchal, François$$g140973$$0240374
000187707 7112_ $$dOctobre 8-10, 2013$$cLyon, France$$a14th Congrès de la Société Française de Génie des Procédés
000187707 8564_ $$uhttp://sfgp2013.congres-sfgp.eu/$$zURL
000187707 909C0 $$xU10315$$0252044$$pLENI
000187707 909C0 $$pIPESE$$xU12691$$0252481
000187707 909CO $$qGLOBAL_SET$$pconf$$pSTI$$ooai:infoscience.tind.io:187707
000187707 917Z8 $$x183678
000187707 917Z8 $$x183678
000187707 917Z8 $$x183678
000187707 937__ $$aEPFL-CONF-187707
000187707 973__ $$rREVIEWED$$sPUBLISHED$$aEPFL
000187707 980__ $$aCONF