Valmet Power AB
Valmet Power AB Patent applications | ||
Patent application number | Title | Published |
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20150075738 | METHOD FOR LIGNIN SEPARATION FROM BLACK LIQUOR INVOLVING MULTIPLE ACIDIFICATION STEPS - The method is for separation of lignin from original black liquor (BL | 03-19-2015 |
20140338217 | METHOD AND ARRANGEMENT FOR TORREFACTION WITH CONTROLLED ADDITION OF COOLING LIQUID TO THE TORREFIED MATERIAL - The improved method and arrangement are for cooling torrefied lignocellulosic material. By adding water in controlled amounts to the torrefied material in a grinder at exit from a roaster the entire volume of torrefied material could be cooled down to a temperature well below the critical temperature without increasing the water content of the final product. | 11-20-2014 |