Ehovoc Launches Compact Incinerator 'Little Giant'

Date Posted: Tuesday, May 16, 2006

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Ehovoc Oy has launched an incinerator incorporating catalytic technology that can help companies meet the EU regulation standards for volatile organic chemicals, VOCs, that include hydrocarbons. The system is called ‘Little Giant’.

For the first time, incinerators incorporating catalytic systems are able to compete against traditional thermal designs when all factors are taken into account.

The main applications for the Little Giant are in the painting, printing, pharmaceutical and chemical industries.

VOCs are emitted by a wide array of industrial and commercial products including paints and lacquers, paint strippers, cleaning supplies, pesticides, building materials and furnishings, cosmetics, graphics and craft materials including glues and adhesives, permanent markers, and photographic solutions.

"The Little Giant is probably the first VOC catalytic incinerator to be given a 10 year warranty for the catalyst and associated heat exchanger," says Mr Reijo Lylykangas, Export Director at Ehovoc Oy.

"This reflects our confidence in our technology and the long-term performance of the incinerator. This is based on the company’s experience of the operation of 30 reference incinerators."

The Ehovoc incinerator is designed to offer low operational costs. Altogether the energy requirements, maintenance, compressed air supply etc. add up to only 1 euro per hour for an incinerator with a capacity of 4000 m3/h with VOC content of only 0.5 g/m3, for example.

The standard version of the Little Giant has been designed to fit into a freight container which makes it easy to transport to customers’ premises.

In practice, the incinerator is fully automatic in operation and adjusts according to the solvent concentration. The overall control can be by computer or alternatively managed by a GSM-phone.

The Little Giant concept improves upon the company’s VOC incinerator technology. It integrates a catalytic system with an enhanced heat exchanger system into a space-saving design.

The catalytic converter reduces the incineration temperature to 300-350ºC compared to conventional incineration temperatures of between 760ºC and 850ºC.

The catalytic converter is based on a metal catalyst with a high geometric and specific surface area which is very tolerant to so called catalyst poisons such as phosphor, sulphur, calcium and zinc.

Ehovoc has also improved the heat transfer characteristics of the heat exchanger through creating a design with a very large surface area, using thin strips of corrugated steel. This raises the efficiency of the heat transfer from the air stream to the steel to 96%.

The design supports an increase in the capacity of the incinerator coupled with small size. When compared to competing incinerators, the Little Giant is around one quarter the size.

Further Information: http://www.ehovoc.fi

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