In general, the process itself is taken as given within an energy audit. For a dedicated plant, the process installation, its heat sinks and sources as well as the utility system are taken into consideration. A plant visit, data collection and an expert analysis of the information collected enables SUPREN to identify energy saving projects of economic interest in the framework of an energy audit.
The energy performance of the own process is compared with the one of sister plants within the own company and/or with plants of the competitors, worldwide or limited to a certain region or country within an energy efficiency benchmark study. Data are collected plant by plant and are treated confidential by SUPREN as independent benchmark consultant. The final anonymous comparison is done based on the specific primary energy consumption (e.g. kJ/kgproduct). Because each participant receives the confidential information of his own performance, a relative comparison of his individual energy efficiency with the one of other competing plants becomes possible.
The key concepts of Pinch Analysis has been developed by Bodo Linnhoff in his MSc. dissertation (1972, ETH Zurich) and PhD thesis “Thermodynamic Analysis in the Design of Process Networks” (awarded 1979, Leeds University). Most of the further development of Pinch Technology took place by Prof. Bodo Linnhoff and his co-workers at University of Manchester Institute of Science and Technology (UMIST), UK, (1982-1994).
The minimal energy demand of a process is investigated within a Pinch-Study and represents the thermodynamic minimum energy required to operate the process. Compared with the actual energy consumption of the own process, the room for improving its energy efficiency is quantified.
These minimal energy demand represents the targets for the heating and cooling utility demand required to operate a given process and represent its maximum energy efficiency.
Pinch technology provides a systematic approach to develop a suited heat exchanger network for maximum energy recovery (MER) that allows to reach the targets identified by Pinch-Analysis.
Studies as independent consultants for the authorities, e.g. in the framework of asking for permissions to built a new plant or increase capacity or modification of existing plants.
At Haus der Technik e.V. in Essen, Germany, Dr. Gottschalk gives lectures in seminars on energy efficient processes.
www.hdt-essen.de
In case you like to join a seminar or like to organize an in-house seminar at your place, we would appreciate your request <link contact> to discuss opportunities.
SUPREN participated in the Energy Efficiency Export Initiative, launched by the German Ministry of Economics and Technology. For detailed information about this initiative, please click on the logo:
www.efficiency-from-germany.info/en
SUPREN’s entry in the database of members you find here.
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