FIELD: process engineering.
SUBSTANCE: proposed method comprises preprocessing of fibre by enzyme in first enzymatic treatment whereat enzyme features activity of 0.01-250.0 ncat/g. Then, fibre is subjected to first mechanical processing and second enzymatic processing whereat enzyme features activity of 50-300 ncat/g. Note here that activity of enzyme during second enzymatic processing exceeds that during first enzymatic processing. Fibre is subjected to second mechanical processing to get microfibrillar cellulose.
EFFECT: perfected process, lower costs.
8 cl
| Title | Year | Author | Number |
|---|---|---|---|
| PRODUCTION OF MICROFIBRILLAR CELLULOSE | 2010 |
|
RU2530022C2 |
| METHOD OF PRODUCING MICROFIBRILLATED CELLULOSE AND OBTAINED MICROFIBRILLATED CELLULOSE | 2010 |
|
RU2528394C2 |
| METHOD FOR PRODUCING MICROFIBRILLATED CELLULOSE | 2013 |
|
RU2660009C2 |
| CELLULOSE NANOFILAMENTS WITH HIGH COEFFICIENT OF DRAWING AND PRODUCTION METHODS THEREOF | 2012 |
|
RU2596521C2 |
| PROCESS FOR TREATING CELLULOSE AND CELLULOSE TREATED ACCORDING TO PROCESS | 2012 |
|
RU2603957C2 |
| CARDBOARD WITH IMPROVED ULTIMATE COMPRESSION STRENGTH | 2017 |
|
RU2738381C2 |
| TECHNOLOGY FOR PRODUCTION OF DISPERSION, CONSISTING OF NANOPARTICLES, AS WELL AS DISPERSION PRODUCED ACCORDING TO SAID TECHNOLOGY | 2012 |
|
RU2585017C2 |
| METHOD FOR PRODUCTION FIBRILLATED CELLULOSE MATERIAL | 2014 |
|
RU2644478C2 |
| BINDER COMPOSITION AND METHOD COMPRISING MICROFIBRILLATED CELLULOSE AND RECYCLED CELLULOSE MATERIALS | 2020 |
|
RU2823790C1 |
| PROCESS FOR TREATING MICROFIBRILLATED CELLULOSE AND MICROFIBRILLATED CELLULOSE TREATED ACCORDING TO PROCESS | 2012 |
|
RU2603956C2 |
