News - Stora Enso Nymölla AB



News - Stora Enso Nymölla AB

News - Stora Enso Nymölla AB

Newsgrafik #121354

Stora Enso and Gasum to make renewable energy from wastewater in Sweden  (Company news)

Stora Enso and energy company Gasum have signed a contract to build a biogas plant at Stora Enso’s Nymölla paper mill (photo) in Sweden. The plant, built and operated by Gasum, will turn the mill’s wastewater effluent into renewable energy.

Gasum plans to upgrade the biogas into Liquefied Biogas (LBG) and sell it as fuel for cars, buses, trucks, and ferries. The expected LBG production of the plant is 75-90 GWh per year, equivalent to the amount of fuel needed annually for more than 200 average long haul lorries in Sweden. Production is expected to start during 2020.

“We are happy to be part of a project that will turn waste into valuable renewable energy,” says Michael Lindemann, Mill Director at Nymölla Mill. “For Stora Enso, substituting fossil-based fuels in our society with renewable solutions is a vital way to combat global warming. The cooperation with Gasum is a good example of the collaborative efforts Stora Enso is taking to do this.”

”We are pleased about the circular economy cooperation with Stora Enso. The biogas plant is a sustainable solution for the processing of wastewater. Gasum is actively building a gas ecosystem for industry, marine and road transport segment in the Nordics,” says Johanna Lamminen, Chief Executive Officer of Gasum.

The total investment of the project for Gasum is around EUR 27 million and for Stora Enso around EUR 5 million. Gasum has been granted an investment subsidy of SEK 121.5 million (EUR 12.7 million) by the Swedish Environmental Protection Agency under the Climate Leap (‘Klimatklivet’) programme.

Located in southern Sweden, Stora Enso’s Nymölla Mill has an annual production capacity of 340 000 tonnes pulp and 485 000 tonnes woodfree uncoated (WFU) paper for office and postal use. Stora Enso’s well-known office paper brand Multicopy is produced in Nymölla.
(Stora Enso Oyj)

Newsgrafik #118085

Negotiations at Stora Enso’s Kvarnsveden paper mill concluded  (Company news)

Stora Enso announced in February plans to permanently close down one paper machine 8 (PM8) and related reorganisation at the Kvarnsveden Mill in Sweden that could affect a maximum of 140 people at the mill. PM8 was permanently shut down in June, and the negotiations between central parties have now been concluded.

The impact of the reorganisation and PM8 closure was mitigated through individual solutions, such as early retirement. Altogether the number of people affected will be 122.

Stora Enso is convinced that through the measures taken, it is possible to improve the competitiveness of the Kvarnsveden Mill going forward.

Production at Kvarnsveden Mill will continue on two lines, PM10 for improved newsprint paper and PM12 for SC papers.
(Stora Enso Nymölla AB)

Newsgrafik #104462

Metso's Neles® capping valves give Stora Enso Nymölla mill an automated solution for its ...  (Company news)

... demanding batch cooking process

Stora Enso Fine Paper’s Nymölla mill in Sweden selected Metso as the supplier of new capping valves for its batch digester line 1. In total, Metso will deliver 5 Neles PZ-series capping valves to replace the mill’s old hydraulic cappers. This gives Stora Enso an automated solution for its digesters replacing old valves and actuators that needed manual assistance in the chip filling phase and increasing overall productivity.
The Neles PZ series of capping valves improves process safety, enhances process reliability and eliminates unscheduled process downtime thanks to its proven technology. Design features, like a preloading device mounted outside the valve body, prevent chips and liquor from causing hazards. Special interlocking systems, essential to plant safety, help lower maintenance costs.
The Nymölla mill’s batch cooking process is a very demanding application because magnesium bisulfite is used as a cooking liquor. The local Metso sales and product line teams were able to offer Stora Enso Nymölla mill a solution that fulfilled their requirements by making a few technical changes to the standard Neles PZ-series capping valve design. These details were thoroughly discussed with the customer. Technical compliance, together with a proven track record in similar applications around the world, helped Stora Enso Nymölla mill decide in favor of the new capping valve solution.
The Nymölla mill specializes in producing high quality office papers and has had a good working relationship with Metso already for decades. Today, the whole mill with two paper machines has an installed base of approximately 1,000 Metso valves. In addition, the mill’s PM 1 and 2 are equipped with Metso's automation system Metso DNA, Metso IQ quality control system, nelesACE basis weight valves and a range of profilers, which are fully integrated with Metso DNA. The new capping valves will also be connected to Metso DNA.
The valves for this project will be delivered during 2014. All valves are scheduled for installation and commissioning by the end of the second quarter of 2014. The delivery contains 5 Neles PZ capping valves equipped with pneumatic actuators, control centers and Neles SwitchGuard intelligent on/off valve controllers.
(Metso Oyj)

Newsgrafik #102835

ANDRITZ to modernize two boiler plants in Sweden: capacity increase of up to 20%  (Company news)

International technology Group ANDRITZ has received orders from Stora Enso Nymölla AB and Domsjö Fabriker AB, Sweden, to modernize a recovery boiler and a sulfite liquor boiler. Due to technology and equipment supplied by ANDRITZ Energy & Environment (AE&E), the capacity of the two boiler plants can be increased by up to 20%. Both start-ups are scheduled for 2013.
For Stora Enso’s liquor recovery boiler in Nymölla, which went into operation in 1971, AE&E will supply the plate-type heat exchangers for pre-heating the combustion air in combination with an economizer to pre-heat the feed water. This technical concept is characterized by a long lifetime of the boiler and lower maintenance effort required; thus scheduled plant shutdowns can be reduced to a minimum and the plant’s capacity increased significantly.
The scope of supply for sulfite liquor boiler no. 9 at Domsjö Fabriker, in operation since 1962, comprises replacement of the super heater and evaporator heating surfaces, as well as partial replacement of the front and rear walls of the liquor boiler. The new AE&E design will improve the fouling behavior of the boiler and enhance efficiency by up to 20%. Due to the very short assembly period of 18 days, the customer will only have a very brief production shutdown.
(Andritz AG)