Process Retrofitting and Revamping

it is imperative to review regularly the performance of the existing plants and assess the possibilities for their improvement. This can be for one or more of the following objectives (Grossmann et al, 1987 Rong et al, 2000). 

Is there some difference between process retrofit and revamp According to oxforddic-tionaries.com, revamp is to give a new and improved form, structure or appearance (to something), and retrofit is to provide (something) with a component or accessory not fitted during manufacture. Although these two meanings seem to be similar, process retrofit perhaps 

How is process retrofit/revamp different from operation optimization Unlike the operation optimization, retrofit/revamp design will have more degrees of freedom (that is, variables related to existing equipment changes and to new equipment) and more combinations to be considered for optimization. Hence, it is much more challenging than operation optimization. However, retrofit/revamp design can improve the process significantly compared with operation optimization. 

Analysis and solution of a process retrofit/revamp problem will require simulation and optimization. Hence, computational techniques for process simulation and optimization find applications in process retrofit and revamp. However, appropriate models have to be developed for process retrofit/revamp, and the resulting optimization problems have more constraints and are more challenging than are operation optimization problems. 

Stages 3 to 5 in industrial retrofit/revamp projects are similar to those in the engineering, construction and commissioning of new plants. However, activities in these stages (outlined 

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Chemical Process Retrofitting and Revamping Techniques and Applications, First Edition. Edited by Gade Pandu Rangaiah. 

Figures 1.1 and 1.2 indicate increasing interest in process retrofit/revamp from chemical engineering researchers and substantial retrofit/revamp activity in chemical process industries. However, there seems to be only a few books and book chapters devoted to process retrofit and revamp. The book by Lieberman (2010) has many practical strategies to reuse and also improve the performance of existing equipment (such as pumps, compressors, heat exchangers, heaters and distillation columns in chemical process industries) and of several...

Project Engineering and Management for Process Retrofitting and Revamping... 

Chemical Process Retrofitting and Revamping Table 2.2 Typical data required for the revamp study. 

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