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期刊名称: Chemical Engineering Research and Design
Volume:89    Issue:6        Page:742-752
ISSN:0263-8762

Base case process development for energy efficiency improvement, application to a Kraft pulping mill. Part I: Definition and characterization期刊论文

作者: Mateos-Espejel Enrique Savulescu Luciana Paris Jean
DOI:10.1016/j.cherd.2010.09.012

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页码: 742-752
被引频次: 6
出版者: Elsevier B.V,INST CHEMICAL ENGINEERS
期刊名称: Chemical Engineering Research and Design
ISSN: 0263-8762
卷期: Volume:89    Issue:6
语言: English
摘要: ▶ Systematic methodology to define and evaluate a process for a subsequent in-depth energy analysis. ▶ Definition and characterization of a base case in a water and energy oriented perspective. ▶ Procedure: data gathering, master diagram construction, utilities systems analysis, simulation. ▶ Simulation model developed to obtain detailed information of the steam and water systems. ▶ Process inefficiencies are identified such as condensate recovery or non-isothermal mixing. The development of a base-case process is a fundamental step in an energy efficiency study to obtain reliable results. However, this step is often overlooked and there are no clear guidelines for the systematic development of the base-case. A methodology has been proposed to properly define and evaluate the complete process for a subsequent in-depth energy analysis. It consists of two stages: definition and characterization of the process, and benchmarking analysis. In this paper, the first stage is presented. The base-case should encompass the process and the utilities systems, i.e., steam and water, as they are the driving forces of the chemical transformations. A four-pronged procedure is proposed to properly define and characterize a process and its utilities: data gathering, master diagram construction, utilities systems analysis, and simulation. The main objective is to build a computer simulation model to provide detailed information on production, distribution, utilization and post-utilization treatment of steam and water. Process inefficiencies are also identified, such as the low condensate recovery or the presence of non-isothermal mixing points. The procedure has been applied to an operating Kraft pulping mill in Eastern Canada.
相关主题: Water optimization, Simulation, Base-case process definition, Utilities systems, Kraft process, Energy efficiency, Energy optimization, STATE, WATER MINIMIZATION, PINCH ANALYSIS, ENGINEERING, CHEMICAL, RECONCILIATION, INTEGRATION, SYSTEMS,

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