公开(公告)号：MX2015007586A

公开(公告)日：2016-05-05

申请号：MX2015007586

申请日：2013-12-02

Applicant: BASF SE

Inventor： ERREN STEFAN ,  SCHÖNHABER DIETER ,  SCHACHTL MARTIN ,  FISCHER STEFFEN ,  BÄURICH CHRISTIAN

IPC: D21C3/00 ,  B27N3/00 ,  D21C3/02 ,  D21C3/04 ,  D21C3/22 ,  D21C9/10 ,  D21C11/08

Abstract: Un método de producción de celulosa a partir de material lignocelulósico por digestión de sulfito o digestión de sulfato en presencia de una sal de ácido ditionoso comprende el uso de la sal de ácido ditionoso en una cantidad del 0,1 al 4,0% en peso en base a la cantidad de material lignocelulósico secado en horno.

公开(公告)号：AU2013357649A1

公开(公告)日：2015-06-11

申请号：AU2013357649

申请日：2013-12-02

Applicant: UNIV DRESDEN TECH ,  BASF SE

Inventor： ERREN STEFAN ,  SCHÖNHABER DIETER ,  SCHACHTL MARTIN ,  FISCHER STEFFEN ,  BÄURICH CHRISTIAN

IPC: D21C3/00 ,  B27N3/00 ,  D21C3/02 ,  D21C3/04 ,  D21C3/22 ,  D21C9/10 ,  D21C11/08

Abstract: The invention relates to a method for producing cellulose from material containing lignocellulose by means of sulfite decomposition or sulfate decomposition in the presence of a salt of dithionous acid, characterized in that the salt of dithionous acid is used in an amount in the range of 0.1 to 4.0 wt% with respect to the amount of kiln-dry material containing lignocellulose.

公开(公告)号：CA2892725A1

公开(公告)日：2014-06-19

申请号：CA2892725

申请日：2013-12-02

Applicant: BASF SE ,  UNIV DRESDEN TECH

Inventor： ERREN STEFAN ,  SCHÖNHABER DIETER ,  SCHACHTL MARTIN ,  FISCHER STEFFEN ,  BÄURICH CHRISTIAN

IPC: D21C3/00 ,  B27N3/00 ,  D21C3/02 ,  D21C3/04 ,  D21C3/22 ,  D21C9/10 ,  D21C11/08

Abstract: The invention relates to a method for producing cellulose from material containing lignocellulose by means of sulfite decomposition or sulfate decomposition in the presence of a salt of dithionous acid, characterized in that the salt of dithionous acid is used in an amount in the range of 0.1 to 4.0 wt% with respect to the amount of kiln-dry material containing lignocellulose.