CORDIS provides links to public deliverables and publications of HORIZON projects.
Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .
Deliverables
The cleaning and degreasing processes play a crucial role in determining the properties of a surface and thereby affect subsequent treatment or uses. The objective of this project was to identify replacements for chlorinated solvents used in the cleaning processes and to optimise aqueous cleaning processes with respect to the cleaning requirements as well as introducing recycling and improved wastewater treatment. The project also included development and formulation of chemicals and cleaning solutions that are environmentally acceptable and suitable for recycling. A very important issue that was addressed is the use of closed loop systems so as to reduce consumption of water.
The project was focused on 5 industrial case studies; surface treatment and metal working at Volvo, deep drawing and particle removal at Philips and cleaning of razor blades at Violex-Bic.
In the project new surfactants had been developed. New cleaning formulations have been designed for the case studies based on the new surfactants. The relation between chemicals and cleaning processes has been studied and this knowledge has formed the basis for further development of chemicals.
The requirement of cleaning processes has been studied in relation to the proceeding operations. In this work characterisation of the surface contaminants has been made and novel measurement methods have been developed.
In the work with closed loop systems new membrane applications have been created. The performance of the membranes with respect to the chemical and contaminants has also been studied. In the case studies, the impact of the chemical balance has been characterised and a system for re-circulation of rinsing bath after degreasing has been designed.
The project has also included the use of novel techniques, i.e. plasma cleaning, supercritical carbon dioxide, carbon dioxide snow, heat degreasing and laser ablation. The latter has also been used in a novel measurement system for surface cleanliness.
The project has increased the knowledge about the entire cleaning process. Direct industrial application of the research lies in metal cleaning processes optimised with respect to quality assurance, increased productivity, waste minimisation, development of environmentally adapted chemicals, reuse of water and valuable raw materials, and a decreased cost for the cleaning.
Collaboration between project partners has created a European network, which will be advantageous for future work.
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