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method for drying microfibrillated cellulose and device for drying microfibrillated cellulose

机译:微纤化纤维素的干燥方法及微纤化纤维素的干燥装置

摘要

The invention relates to a method for drying microfibrillated cellulose, comprising at least the following steps: (i) applying a composition comprising microfibrillated cellulose and a liquid onto a cold surface; (H) removing the frozen composition formed in step (i) from said surface to form frozen particles; (iii) optionally increasing the size of the frozen particles formed in step (ii); (iv) drying the frozen particles formed in step (iii) comprising: subjecting said particles to a cold moving gas thus removing liquid by means comprising sublimation and optionally (v) isolating the microfibrillated cellulose formed in step (iv). The invention also relates to a device for carrying out the method of the invention.
机译:本发明涉及一种干燥微纤化纤维素的方法,该方法至少包括以下步骤:(i)将包含微纤化纤维素和液体的组合物施加到冷表面上; (H)从所述表面除去步骤(i)中形成的冷冻组合物以形成冷冻颗粒; (iii)任选地增加在步骤(ii)中形成的冷冻颗粒的尺寸; (iv)干燥步骤(iii)中形成的冷冻颗粒,其包括:使所述颗粒经受冷运动的气体,从而通过包括升华的方法除去液体,以及任选地(v)分离步骤(iv)中形成的微纤化纤维素。本发明还涉及用于执行本发明的方法的设备。

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