发明名称 processo para tratamento de celulose e celulose microfibrilada tratada de acordo com o processo
摘要 The present invention relates to a process for purifying a slurry comprising cellulose, such as microfibrillated cellulose, wherein the process comprises the following steps: —providing a slurry comprising cellulose and liquid, —subjecting the slurry to an electric field inducing the liquid of the slurry to flow, —separating the liquid from the cellulose thus obtaining a liquid depleted slurry, —adding a washing liquid, such as an organic solvent, to the liquid depleted slurry—subjecting the liquid depleted slurry to an electric field inducing the washing liquid of the slurry to flow and—separating the washing liquid from the cellulose, thus obtaining a purified cellulose. The invention also relates to cellulose such as microfibrillated cellulose obtainable from said process.
申请公布号 BR112013029109(A2) 申请公布日期 2017.02.07
申请号 BR20131129109 申请日期 2012.05.11
申请人 STORA ENSO OYJ 发明人 ARI KOTILAINEN;ISTO HEISKANEN;JONAS SIDARAVICIUS;KAJ BACKFOLK;VALENTAS GAIDELIS
分类号 D21C9/06;B01D61/56;D21C9/18;D21H11/18 主分类号 D21C9/06
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