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Valmet to supply flue gas condensing process to Vantaan Energia

Valmet to supply flue gas condensing process to Vantaan Energia
The new high-temperature incineration plant will be built adjacent to the existing waste-to-energy (WtE) facility units (photo courtesy Vantaan Energia).

Finland-headed forest industry and energy technology provider Valmet Oyj has confirmed that it has been selected to supply a complete flue gas condensing and cleanup process to compatriot Vantaan Energia Oy’s new high-temperature waste incineration plant in Vantaa, Finland.

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As announced earlier this month, Vantaan Energia is expanding its waste processing capacity and capability to process household and industrial waste that is classified as hazardous and not suitable for recycling.

Also announced is that Hitachi Zosen Inova Steinmüller (HZI STM), a subsidiary of the Swiss-Japanese green-tech company Hitachi Zosen Inova AG, has been selected to supply and install its rotary kiln boiler technology.

The high-temperature incineration plant treating non-recyclable hazardous waste continues Vantaa Energy’s investment program to phase out the use of fossil fuels in the company’s energy production as soon as possible and to continue towards carbon-negative energy production in 2030. Energy utilization of waste and carbon capture and processing into new products play a key role in our strategy, said Jukka Toivonen, CEO of Vantaan Energia.

Heat recovery and flue gas cleanup

Valmet has confirmed that it will supply a complete flue gas condensing and cleaning process to the project. which will start in 2022 and the plant is scheduled for completion in 2025.

The flue gas condensing equipment recovers heat from the incineration process. The waste heat produced will be utilized in the district heating network and will reduce the need for using fossil fuels supporting the transition to clean energy production.

Valmet’s delivery will include a complete flue gas cleaning process consisting of an evaporative cooler, a baghouse filter with conditioned dry sorption (semi-dry), a condensing flue gas scrubber with heat recovery and condensate treatment, and a Selective Catalytic Reduction (SCR) for removal of nitrogen oxides (NOx).

For Vantaa Energy, the high safety level of the technology and design solutions used, the implementation of the investment projects according to stringent targets, and the high degree of availability of the plants are extremely important. We are delighted to have Valmet as our partner in the high-temperature incineration plant project, said Jukka Toivonen.

While the value of Valmet’s delivery has not been disclosed, such an order is typically worth over EUR 15 million. The project will start in 2022 and the plant is scheduled for completion in 2025.

The project is an excellent example of Valmet’s ambition to provide sustainable emission reduction solutions to our customers, and we are happy to share the journey toward a carbon-negative future with Vantaa Energy, said Lari-Matti Kuvaja, Manager, Sales & Technology, Environmental Systems, Pulp and Energy, Valmet.

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