ATE362010T1 - Ein holzdesignifizierendes chemisches verfahren wobei ammonium magniseium bisulfit als aktives reagenzverwendet wird - Google Patents

Ein holzdesignifizierendes chemisches verfahren wobei ammonium magniseium bisulfit als aktives reagenzverwendet wird

Info

Publication number
ATE362010T1
ATE362010T1 AT98914170T AT98914170T ATE362010T1 AT E362010 T1 ATE362010 T1 AT E362010T1 AT 98914170 T AT98914170 T AT 98914170T AT 98914170 T AT98914170 T AT 98914170T AT E362010 T1 ATE362010 T1 AT E362010T1
Authority
AT
Austria
Prior art keywords
acid
ammonium
cooking acid
magnesium
present innovation
Prior art date
Application number
AT98914170T
Other languages
English (en)
Inventor
Oliveira Baptista Joao Almeida
Original Assignee
Oliveira Baptista Joao Almeida
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oliveira Baptista Joao Almeida filed Critical Oliveira Baptista Joao Almeida
Application granted granted Critical
Publication of ATE362010T1 publication Critical patent/ATE362010T1/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
    • D21C3/14—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites ammonium bisulfite
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
    • D21C3/10—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites magnesium bisulfite

Landscapes

  • Paper (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
AT98914170T 1997-04-28 1998-04-20 Ein holzdesignifizierendes chemisches verfahren wobei ammonium magniseium bisulfit als aktives reagenzverwendet wird ATE362010T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT101999A PT101999B (pt) 1997-04-28 1997-04-28 Processo quimico de deslenhificacao da madeira utilizando como reagente activo o composto - bissulfito duplo de magnesio e amonio

Publications (1)

Publication Number Publication Date
ATE362010T1 true ATE362010T1 (de) 2007-06-15

Family

ID=20085674

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98914170T ATE362010T1 (de) 1997-04-28 1998-04-20 Ein holzdesignifizierendes chemisches verfahren wobei ammonium magniseium bisulfit als aktives reagenzverwendet wird

Country Status (8)

Country Link
US (1) US20020153108A1 (de)
EP (1) EP0977918B1 (de)
AT (1) ATE362010T1 (de)
AU (1) AU738720B2 (de)
BR (1) BR9809423A (de)
DE (1) DE69837755T2 (de)
PT (1) PT101999B (de)
WO (1) WO1998049390A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2821403C (en) * 2010-12-15 2020-08-04 Imperial Innovations Limited Treatment of lignocellulose biomass with an ionic liquid
US11118308B2 (en) 2013-03-15 2021-09-14 Ip2Ipo Innovations Limited Treatment of lignocellulosic biomass with ionic liquid
GB201520453D0 (en) 2015-11-20 2016-01-06 Imp Innovations Ltd Process

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL87584C (de) * 1952-02-15
DE2445523A1 (de) * 1974-09-24 1976-04-01 Waldhof Aschaffenburg Papier Verfahren zur herstellung von zellstoff
DD151581A3 (de) * 1976-11-11 1981-10-28 Kurt Doeink Verfahren zum aufschluss lignozellulsischen materials nach dem bisulfitverfahren
JPS5653295A (en) * 1979-10-04 1981-05-12 Kogyo Gijutsuin Pulping method of waste rubber material
US4634499A (en) * 1983-05-02 1987-01-06 The Procter & Gamble Company Sulfite process for making pulp having a tactile softness from hardwood chips
SU1359387A1 (ru) * 1985-09-25 1987-12-15 Центральный научно-исследовательский институт бумаги Волокниста масса дл изготовлени гофрированной бумаги
SU1696631A1 (ru) * 1989-06-26 1991-12-07 Сибирский научно-исследовательский институт целлюлозы и картона Состав дл обработки древесной массы

Also Published As

Publication number Publication date
BR9809423A (pt) 2000-06-13
PT101999A (pt) 1998-11-30
EP0977918B1 (de) 2007-05-09
DE69837755D1 (de) 2007-06-21
PT101999B (pt) 2003-09-30
EP0977918A1 (de) 2000-02-09
WO1998049390A1 (en) 1998-11-05
AU738720B2 (en) 2001-09-27
DE69837755T2 (de) 2008-01-31
US20020153108A1 (en) 2002-10-24
AU6858698A (en) 1998-11-24

Similar Documents

Publication Publication Date Title
BR8601078A (pt) Processo para fabricar polpa quimicomecanica a partir de material lenhocelulosico
ES8704569A1 (es) Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion
GB1472156A (en) Process for drying polymer-modified cellulose fibres
ATE362010T1 (de) Ein holzdesignifizierendes chemisches verfahren wobei ammonium magniseium bisulfit als aktives reagenzverwendet wird
GB1145339A (en) Improvements in or relating to the bleaching of cellulosic material
HUP9800831A2 (hu) Eljárás cellulózszál előállítására, cellulózszál és ezt tartalmazó termék
EP0447673B1 (de) Verfahren zum enzymatischen Bleichen von Zellstoffen
US2528350A (en) Two-step digestion of hardwoods
BR8107016A (pt) Processo para a obtencao de sacarideos hidrossoluveis a partir de material contendo celulose
RU94045883A (ru) Способ получения целлюлозной массы
CA2440789A1 (en) Method for producing pulp
CA2721612A1 (en) Processes for preparing mechanical pulps having high brightness
FI20031929A (fi) Eräkeittomenetelmä sellunvalmistukseen
BR9509642A (pt) Processo para obtenç o de celulose
ATE483058T1 (de) Kochung von zellstoff in einer vorverdampfte schwarzlauge enthaltenden kochlauge
GB1301031A (en) Pulp and a process for the production thereof
ES472687A1 (es) Procedimiento para la preparacion de una celulosa al sulfito
SE8501338L (sv) Kokningsforfarande
SU568691A1 (ru) Способ обработки предгидролизной сульфатной целлюлозы
SU690100A1 (ru) Способ получени волокнистого целлюлозного полуфабриката
RU93031029A (ru) Способ получения беленой целлюлозы
SE9301834L (sv) Massaframställning genom uppslutning av en blandning av cellulosabaserat returmaterial och råträ
GB1074111A (en) Processes useful in the manufacture of bleached pulp
CS260303B1 (en) Method of lignocellulose materials delignification by means of sulphite boiling
WO2007032027B1 (en) A process for producing a sanitary napkin

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 0977918

Country of ref document: EP

REN Ceased due to non-payment of the annual fee