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Energy efficiency opportunities within the powder coating industry

Sofie Osbeck ; Charlotte Bergek (Institutionen för energi och miljö, Värmeteknik och maskinlära) ; Anders Klässbo ; Patrik Thollander ; Simon Harvey (Institutionen för energi och miljö, Värmeteknik och maskinlära)
Proceedings of WREC - World Renewable Energy Congress, 8-11 May 2011, Linköping, Sweden (2011)
[Konferensbidrag, refereegranskat]

A new challenge to reduce energy usage has emerged in Swedish industry because of increasing energy costs. Energy usage in the Swedish powder coating industry is about 525 GWh annually. This industry has a long and successful record of working towards reduced environmental impact. However, they have not given priority to energy saving investments. Electricity and LPG, for which end-user prices are predicted to increase by as much as 50 – 60% by 2020, are the main energy carriers used in the plants. This paper presents the results of two detailed industrial energy audits conducted with the aim of quantifying the energy efficiency potential for the Swedish powder coating industry. Energy auditing and pinch analysis methods were used to identify possible energy housekeeping measures and heat exchanging opportunities. The biggest users of energy within the plants are the cure oven, drying oven and pre-treatment units. The energy use reduction by the housekeeping measures is 8 – 19% and by thermal heat recovery an additional 8 – 13%. These measures result in an average energy cost saving of 25% and reduction of carbon dioxide emissions of 30%. The results indicate that the powder coating industry has a total energy efficiency potential of at least 20%.

Nyckelord: Powder coating, energy audit, pinch analysis, energy efficiency

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Denna post skapades 2011-06-21. Senast ändrad 2015-07-28.
CPL Pubid: 142118


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Institutioner (Chalmers)

Institutionen för energi och miljö, Värmeteknik och maskinlära (2005-2014)


Hållbar utveckling

Chalmers infrastruktur