This project is oriented towards all users of processes in which waste heat or residual streams that can be valorized thermally, are carried off, partially or completely unused. The industrial sectors in which this can take place are disperse. In other words, the target group is very extensive. Furthermore, also study centres, contractors of energy installations and electricity producers are part of the target group. Within this project knowledge and results are implemented from the TETRA 70070 project ‘Waste heat recuperation through Organic Rankine Cycle for renewable energy applications’ that ended the 31st of December 2009.

The herein elaborated cases go through a further follow-up which is necessary to provide added-value to the target group. It concerns ORC-applications for biogas engines of digesters, biofuel engines and biomass boilers (only heat recuperation grid cooling). Moreover, the possibility is studied if a cogeneration from before 2002 can be certificate authorized again by adding an ORC.

The most important aspect is the valorization of industrial waste heat and the valorization of certain waste streams (wood processing, paper industry, etc.). In order to do so, a dozen case studies will be elaborated within various industrial sectors.

It will be examined whether it is defensible to heat a stream of waste heat on a slightly too low temperature until the ORC can be implemented. Next to the selection of the ORC itself, the choice and dimensioning of the heat exchangers is very important, both for recuperation as for conveyance.

ORC as a recuperation possibility is benchmarked with other valorization possibilities such as: absorption cooling (if applicable to the location) and upgrading with a heat pump. There is also a comparative study between an ORC and a steam turbine plant.

The demonstration and testing set-up will be completed with a small (pre)commercial available ORC on the basis of a turbine. This testing set-up also offers possibilities for further investigation and/or services.