Development and application of a modular- based, multi- level approach for increasing energy efficiency

Abstract

This paper presents a methodology how energy consumption and energy inefficiencies can be quantified for industrial processes based on a general, branch- independent approach for the purpose of increasing energy efficiency. For many companies the information of the actual energy use of their processes is very limited. Therefore, knowledge of energy consumption is only available on an overall basis and the product- specific energy costs are often calculated with a common cost- plus system. This deficiency in information is part of the reasons, why energy efficiency potentials are often neither known nor realized. For that reason a general approach is needed, which (1) uses the actual economic data of a company and (2) combines and compares it with thermodynamic analyses in order to (3) calculate the actual energy consumption of processes and products to (4) identify and quantify the energy efficiency potentials. The suggested general approach is branch- independent and analyses energy efficiency potentials. Firstly this is conducted through a modular- based, three- level industrial model mapping process. Each module contains production units (industrial plant assets), where main industrial processes are integrated into one module. The different modules are then connected on different levels in order to find product- specific production pathways. Secondly, both a top- down and a bottom- up approach are implemented. The top- down approach uses economic and overall energy consumption data and transfers it to

Keywords

• energy efficiency, industrial analysis, modelling

Development and application of a modular- based, multi- level approach for increasing energy efficiency

Abstract

Keywords

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