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Patent applications and USPTO patent grants for VALMET POWER AB.The latest application filed is for "method for lignin separation from black liquor involving multiple acidification steps".
Patent | Date |
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Method for lignin separation from black liquor comprising removal of sulfur compounds from formed water effluent Grant 9,475,833 - Wallmo , et al. October 25, 2 | 2016-10-25 |
Method for precipitating lignin from black liquor by utilizing waste gases Grant 9,067,959 - Littorin , et al. June 30, 2 | 2015-06-30 |
Method For Lignin Separation From Black Liquor Involving Multiple Acidification Steps App 20150075738 - Wimby; Martin ;   et al. | 2015-03-19 |
Method And Arrangement For Torrefaction With Controlled Addition Of Cooling Liquid To The Torrefied Material App 20140338217 - Bjorklund; Peter | 2014-11-20 |
Method and equipment for the evaporation of black liquor that is obtained from a digestion process during the production of cellulose pulp Grant 8,888,955 - Olausson November 18, 2 | 2014-11-18 |
Insert tube and a system of insert tubes Grant 8,747,105 - Nordh June 10, 2 | 2014-06-10 |
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