PT2931968T - Utilização de ditionito de sódio num processo de polpação de celulose - Google Patents
Utilização de ditionito de sódio num processo de polpação de celuloseInfo
- Publication number
- PT2931968T PT2931968T PT13805310T PT13805310T PT2931968T PT 2931968 T PT2931968 T PT 2931968T PT 13805310 T PT13805310 T PT 13805310T PT 13805310 T PT13805310 T PT 13805310T PT 2931968 T PT2931968 T PT 2931968T
- Authority
- PT
- Portugal
- Prior art keywords
- pulping process
- sodium dithionite
- cellulose pulping
- cellulose
- dithionite
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 0.000 title 1
- 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
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12196636 | 2012-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT2931968T true PT2931968T (pt) | 2019-01-11 |
Family
ID=47355871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT13805310T PT2931968T (pt) | 2012-12-12 | 2013-12-02 | Utilização de ditionito de sódio num processo de polpação de celulose |
Country Status (18)
| Country | Link |
|---|---|
| EP (1) | EP2931968B1 (pt) |
| JP (1) | JP6290244B2 (pt) |
| KR (1) | KR20150093825A (pt) |
| CN (1) | CN104838065A (pt) |
| AR (1) | AR093929A1 (pt) |
| AU (1) | AU2013357649B2 (pt) |
| BR (1) | BR112015013578B1 (pt) |
| CA (1) | CA2892725A1 (pt) |
| CL (1) | CL2015001406A1 (pt) |
| ES (1) | ES2708216T3 (pt) |
| MX (1) | MX2015007586A (pt) |
| PH (1) | PH12015501255A1 (pt) |
| PL (1) | PL2931968T3 (pt) |
| PT (1) | PT2931968T (pt) |
| RU (1) | RU2649301C2 (pt) |
| TW (1) | TWI607041B (pt) |
| WO (1) | WO2014090609A1 (pt) |
| ZA (1) | ZA201504934B (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021058483A1 (en) * | 2019-09-23 | 2021-04-01 | Université Catholique de Louvain | Process for producing lignin components from lignocellulosic biomass |
| 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/de 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/en 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/de 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 |
| PH12015501255A1 (en) | 2015-08-17 |
| AR093929A1 (es) | 2015-07-01 |
| JP2015537130A (ja) | 2015-12-24 |
| 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 (de) | 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 (de) | 2014-06-19 |
| EP2931968A1 (de) | 2015-10-21 |
| CA2892725A1 (en) | 2014-06-19 |
| KR20150093825A (ko) | 2015-08-18 |
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