Stora Enso Oyj is a Finnish pulp and paper manufacturer, formed by the merger of Swedish mining and forestry products company Stora and Finnish forestry products company Enso-Gutzeit Oy in 1998. It is headquartered in Helsinki, and it has approximately 29,000 employees. Following the merger, English became the lingua franca of the company, with implications for the effectiveness of internal business communications. In 2002 it was the fifth largest pulp and paper manufacturer in terms of revenue and in 2005 it was the world's largest pulp and paper manufacturer in terms of production capacity. Solidium is the biggest owner in the company. The Wallenberg family through their foundation asset management company FAM is the second biggest shareholder in the company. Wikipedia.
Karha K.,Stora Enso
Silva Fennica | Year: 2012
The use of stump and root wood chips has increased very rapidly in the 21st century in Finland: in the year 2000, the total consumption of stump wood chips for energy generation was 10 GWh, while in 2010 it was approximately 2 TWh. Metsäteho Oy and TTS Research evaluated two stump-lifting devices for the lifting of Norway spruce (Picea abies) stumps. The productivity and costs of stump lifting were determined. There was one base machine with one operator in the time study. When lifting stumps with a diameter of 30 cm, the effective hour productivity of stump lifting was 11.2 m3 solid over bark (sob)/E0 (4.8 tonD/E0) without site preparation using a Väkevä Stump Processor, and when lifting spruce stumps with a diameter of 40 cm, the productivity was 14.9 m3 sob/E0 (6.5 tonD/E0). When the site preparation (mounding) was integrated into lifting work, the stump-lifting productivity decreased 21-27%. The stump-lifting productivity of the other lifting head (Järvinen) was lower than that of the Väkevä Stump Processor. Some development suggestions for the Järvinen lifting head were presented and discussed. The cost calculations showed that stump-lifting costs are extremely high when stump diameter is less than 20 cm. Therefore, the study recommended a change in the current stump-harvesting guidelines of Finland: The study suggested that all the stumps with a diameter less than 20 cm should be left on the harvesting site. Source
Stora Enso | Date: 2014-04-23
The present invention relates to a method for treating a food product in order to preserve the product wherein the food product is treated with a solution comprising a nanofibrillated polysaccharide. The invention further relates to a food product being treated with a solution comprising a nanofibrillated polysaccharide.
Stora Enso | Date: 2014-04-08
The present invention relates to a method of deoxygenating tall oil pitch, yielding aliphatic and aromatic hydrocarbons. The invention even comprises turning the aliphates into polymerizable olefins by steam cracking, and turning the aromates into polymerizable terephthalic acid by oxygenation and, as necessary, rearrangement. The monomers can be used for the production of polymers of partially or completely biologic origin. According to the invention, tall oil pitch is first heated to turn it into liquid, which is then fed into a catalyst bed and catalytically deoxygenated with hydrogen. The deoxygenation catalyst is preferably a NiMo catalyst and, in addition, a cracking catalyst can be used, such as an acidic zeolite catalyst. The deoxygenated product stream is cooled down so as to obtain a liquid, which is distilled for separation of the aliphatic and aromatic hydrocarbons for use in the production of the respective monomers and finally polymers.
Wetend Technologies Oy and Stora Enso | Date: 2014-04-25
The present invention relates to a method of producing precipitated calcium carbonate (PCC) where a retention/strength enhancing chemical is added to milk of lime to form a mixture thereof prior to adding the mixture of the retention/strength enhancing chemical and milk of lime to paper making stock in a pipeline leading to a headbox of a paper making machine, whereafter carbon dioxide is introduced to the paper making stock, and the carbonation reaction between milk of lime and carbon dioxide is allowed to proceed in the presence of both fibres and the retention/strength enhancing chemical.
Stora Enso | Date: 2014-04-22
The invention relates to a process for treating cellulose fibres which process comprises the steps of providing a slurry comprising cellulose fibers, adding anionic polyacrylamide (A-PAM) with high molar mass to the slurry in a first step and subjecting the slurry comprising fibers and A-PAM to a mechanical treatment in a second step thereby forming a composition comprising microfibrillated cellulose. The invention further relates to a composition produced according to the process.