Location: Eemshaven, the Netherlands

Industry sector: recycling

This project was carried out by our customer working partner with Formula Air


Contaminated soil and sludge is shipped and stored separately in order to prevent any further contamination. It is then transported on conveyor belts into large drums which are heated at temperatures up to 1200°C to remove unwanted chemicals. The hot air produced as a by-product of this process is filtered and passed through a heat exchanger so it can be converted to energy which is used for other purposes.


To assume complete control of developing a new heat recovery system, from measuring to planning and production, and then to deliver all components within 10 weeks. Having to meet such a tight deadline – within a limited budget – meant we had to develop a new production process.


We manufactured and delivered all the necessary ducting (some of which was as large as 3800 mm x 3800 mm) and piping as separate modules which could be easily assembled and installed on-site. Various materials were used, including HB400, SS304 stainless steel and galvanised steel. 4 mm thick special material “COR-TEN” steel was chosen for the ducting, which proved once again that we can deliver effective solutions outside the standard thickness range (1-3 mm). 3D-visualisation was carried out using Solid Works.

Our customer received everything it needed two months earlier than they had initially envisaged, so was naturally extremely pleased. A further benefit was that the new installation was 30% more efficient than the previous one. Equally as important was the fact that we took responsibility out of the hands of our customer, bringing peace of mind and the convenience that we could function as a ‘one-stop shop’ and meet all its demands.

Case study: recycling

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