METHOD FOR DRYING MICROFIBRILLATED CELLULOSE
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United States of America Patent
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Issued Date -
Apr 19, 2012
app pub date -
Mar 10, 2010
filing date -
Mar 11, 2009
priority date (Note) -
Abandoned
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Abstract
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.
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