PH12015501255A1 - Use of sodium dithionite in a cellulose pulping process - Google Patents
Use of sodium dithionite in a cellulose pulping processInfo
- Publication number
- PH12015501255A1 PH12015501255A1 PH12015501255A PH12015501255A PH12015501255A1 PH 12015501255 A1 PH12015501255 A1 PH 12015501255A1 PH 12015501255 A PH12015501255 A PH 12015501255A PH 12015501255 A PH12015501255 A PH 12015501255A PH 12015501255 A1 PH12015501255 A1 PH 12015501255A1
- Authority
- PH
- Philippines
- Prior art keywords
- pulping process
- sodium dithionite
- cellulose pulping
- cellulose
- salt
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title abstract 2
- 239000001913 cellulose Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 238000004537 pulping Methods 0.000 title 1
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 title 1
- 238000000354 decomposition reaction Methods 0.000 abstract 2
- GRWZHXKQBITJKP-UHFFFAOYSA-N dithionous acid Chemical compound OS(=O)S(O)=O GRWZHXKQBITJKP-UHFFFAOYSA-N 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- 101100243022 Mus musculus Pcnt gene Proteins 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
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
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
- D21C11/08—Deodorisation ; Elimination of malodorous compounds, e.g. sulfur compounds such as hydrogen sulfide or mercaptans, from gas streams
-
- 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
-
- 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
-
- 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
-
- 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
- D21C3/22—Other features of pulping processes
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
- D21C9/1089—Bleaching ; Apparatus therefor with reducing compounds with dithionites
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12196636 | 2012-12-12 | ||
PCT/EP2013/075193 WO2014090609A1 (fr) | 2012-12-12 | 2013-12-02 | Utilisation de dithionite de sodium dans un processus de cuisson de cellulose |
Publications (1)
Publication Number | Publication Date |
---|---|
PH12015501255A1 true PH12015501255A1 (en) | 2015-08-17 |
Family
ID=47355871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PH12015501255A PH12015501255A1 (en) | 2012-12-12 | 2015-06-03 | Use of sodium dithionite in a cellulose pulping process |
Country Status (18)
Country | Link |
---|---|
EP (1) | EP2931968B1 (fr) |
JP (1) | JP6290244B2 (fr) |
KR (1) | KR20150093825A (fr) |
CN (1) | CN104838065A (fr) |
AR (1) | AR093929A1 (fr) |
AU (1) | AU2013357649B2 (fr) |
BR (1) | BR112015013578B1 (fr) |
CA (1) | CA2892725A1 (fr) |
CL (1) | CL2015001406A1 (fr) |
ES (1) | ES2708216T3 (fr) |
MX (1) | MX2015007586A (fr) |
PH (1) | PH12015501255A1 (fr) |
PL (1) | PL2931968T3 (fr) |
PT (1) | PT2931968T (fr) |
RU (1) | RU2649301C2 (fr) |
TW (1) | TWI607041B (fr) |
WO (1) | WO2014090609A1 (fr) |
ZA (1) | ZA201504934B (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021058483A1 (fr) * | 2019-09-23 | 2021-04-01 | Université Catholique de Louvain | Procédé de production de composants de lignine à partir de biomasse lignocellulosique |
CN112900130B (zh) * | 2021-02-02 | 2022-08-12 | 大连工业大学 | 一种减少植物纤维蒸煮后白度下降的方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE912169C (de) * | 1952-02-22 | 1954-05-24 | Georg Jayme Dr Ing | Verfahren zum alkalischen Aufschluss von Pflanzenstoffen |
FR1150451A (fr) * | 1956-05-04 | 1958-01-14 | Saint Gobain | Perfectionnement aux procédés de fabrication des pâtes cellulosiques mi-chimiques |
FR2615874B1 (fr) * | 1987-05-25 | 1992-02-21 | Atochem | Procede de preparation de pates chimicothermomecaniques |
JP5207191B2 (ja) * | 2006-05-19 | 2013-06-12 | ザ リサーチ ファンデーション オブ ステート ユニヴァーシティ オブ ニューヨーク | セルロース系材料の炭酸塩前処理およびパルプ化の方法 |
US20080105392A1 (en) * | 2006-11-03 | 2008-05-08 | Duggirala Prasad Y | Method and composition for improving fiber quality and process efficiency in mechanical pulping |
US20090090478A1 (en) * | 2007-10-05 | 2009-04-09 | Hollomon Martha G | Selectivity improvement in oxygen delignification and bleaching of lignocellulose pulp using singlet oxygen |
US20120168102A1 (en) * | 2009-04-02 | 2012-07-05 | Sung-Hoon Yoon | Pulping process for quality protection including methods for hemicellulose extraction and treatment of hemicellulose-extracted lignocellulosic materials |
-
2013
- 2013-12-02 WO PCT/EP2013/075193 patent/WO2014090609A1/fr active Application Filing
- 2013-12-02 AU AU2013357649A patent/AU2013357649B2/en active Active
- 2013-12-02 CN CN201380064788.6A patent/CN104838065A/zh active Pending
- 2013-12-02 BR BR112015013578-1A patent/BR112015013578B1/pt active IP Right Grant
- 2013-12-02 CA CA2892725A patent/CA2892725A1/fr not_active Abandoned
- 2013-12-02 ES ES13805310T patent/ES2708216T3/es active Active
- 2013-12-02 PT PT13805310T patent/PT2931968T/pt unknown
- 2013-12-02 PL PL13805310T patent/PL2931968T3/pl unknown
- 2013-12-02 JP JP2015546933A patent/JP6290244B2/ja active Active
- 2013-12-02 KR KR1020157018595A patent/KR20150093825A/ko active IP Right Grant
- 2013-12-02 MX MX2015007586A patent/MX2015007586A/es unknown
- 2013-12-02 RU RU2015127891A patent/RU2649301C2/ru active
- 2013-12-02 EP EP13805310.3A patent/EP2931968B1/fr active Active
- 2013-12-10 TW TW102145264A patent/TWI607041B/zh not_active IP Right Cessation
- 2013-12-11 AR ARP130104639A patent/AR093929A1/es active IP Right Grant
-
2015
- 2015-05-25 CL CL2015001406A patent/CL2015001406A1/es unknown
- 2015-06-03 PH PH12015501255A patent/PH12015501255A1/en unknown
- 2015-07-09 ZA ZA2015/04934A patent/ZA201504934B/en unknown
Also Published As
Publication number | Publication date |
---|---|
BR112015013578A2 (pt) | 2017-08-15 |
PL2931968T3 (pl) | 2019-04-30 |
AR093929A1 (es) | 2015-07-01 |
JP2015537130A (ja) | 2015-12-24 |
PT2931968T (pt) | 2019-01-11 |
TWI607041B (zh) | 2017-12-01 |
RU2649301C2 (ru) | 2018-03-30 |
TW201428031A (zh) | 2014-07-16 |
CN104838065A (zh) | 2015-08-12 |
CL2015001406A1 (es) | 2016-02-05 |
EP2931968B1 (fr) | 2018-10-31 |
BR112015013578B1 (pt) | 2021-07-06 |
AU2013357649A1 (en) | 2015-06-11 |
RU2015127891A (ru) | 2017-01-19 |
MX2015007586A (es) | 2016-05-05 |
ES2708216T3 (es) | 2019-04-09 |
JP6290244B2 (ja) | 2018-03-07 |
AU2013357649B2 (en) | 2017-06-08 |
ZA201504934B (en) | 2017-11-29 |
WO2014090609A1 (fr) | 2014-06-19 |
EP2931968A1 (fr) | 2015-10-21 |
CA2892725A1 (fr) | 2014-06-19 |
KR20150093825A (ko) | 2015-08-18 |
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