FI3580388T3 - Järjestelmä ja menetelmä piioksidin poistamiseksi sellunkeittoprosessissa - Google Patents
Järjestelmä ja menetelmä piioksidin poistamiseksi sellunkeittoprosessissa Download PDFInfo
- Publication number
- FI3580388T3 FI3580388T3 FIEP18750677.9T FI18750677T FI3580388T3 FI 3580388 T3 FI3580388 T3 FI 3580388T3 FI 18750677 T FI18750677 T FI 18750677T FI 3580388 T3 FI3580388 T3 FI 3580388T3
- Authority
- FI
- Finland
- Prior art keywords
- liquid
- chip slurry
- chip
- silica
- temperature
- Prior art date
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims 25
- 238000000034 method Methods 0.000 title claims 13
- 239000000377 silicon dioxide Substances 0.000 title claims 13
- 238000004537 pulping Methods 0.000 title 1
- 239000002002 slurry Substances 0.000 claims 27
- 239000007788 liquid Substances 0.000 claims 23
- 238000002791 soaking Methods 0.000 claims 8
- 239000002023 wood Substances 0.000 claims 8
- 238000004519 manufacturing process Methods 0.000 claims 6
- 238000010790 dilution Methods 0.000 claims 4
- 239000012895 dilution Substances 0.000 claims 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 2
- 239000001913 cellulose Substances 0.000 claims 2
- 229920002678 cellulose Polymers 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 235000012239 silicon dioxide Nutrition 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
-
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
- D21B1/023—Cleaning wood chips or other raw 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
- 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
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
-
- 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
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
-
- 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
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1750106A SE540305C2 (en) | 2017-02-07 | 2017-02-07 | System and method for silica removal in a pulping process |
| PCT/SE2018/050072 WO2018147784A1 (fr) | 2017-02-07 | 2018-01-31 | Système et procédé d'élimination de silice dans un procédé de dépulpage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI3580388T3 true FI3580388T3 (fi) | 2023-07-10 |
Family
ID=62244602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FIEP18750677.9T FI3580388T3 (fi) | 2017-02-07 | 2018-01-31 | Järjestelmä ja menetelmä piioksidin poistamiseksi sellunkeittoprosessissa |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP3580388B1 (fr) |
| CN (1) | CN110249092A (fr) |
| CL (1) | CL2019002201A1 (fr) |
| ES (1) | ES2947013T3 (fr) |
| FI (1) | FI3580388T3 (fr) |
| PL (1) | PL3580388T3 (fr) |
| PT (1) | PT3580388T (fr) |
| SE (1) | SE540305C2 (fr) |
| WO (1) | WO2018147784A1 (fr) |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4199399A (en) * | 1976-04-19 | 1980-04-22 | Process Evaluation & Development Corp. | Method for preparing bagasse dissolving pulps and producing rayon having a degree of polymerization of at least 800 therefrom |
| IN154386B (fr) * | 1979-12-10 | 1984-10-20 | Dorr Oliver Inc | |
| US4436586A (en) * | 1982-01-22 | 1984-03-13 | Kamyr, Inc. | Method of producing kraft pulp using an acid prehydrolysis and pre-extraction |
| US4668340A (en) * | 1984-03-20 | 1987-05-26 | Kamyr, Inc. | Method of countercurrent acid hydrolysis of comminuted cellulosic fibrous material |
| FI103418B (fi) * | 1996-01-31 | 1999-06-30 | Sunds Defibrator Woodhandling | Menetelmä ja laite selluloosamassan valmistamiseen käytettävän kuituai neksen esikäsittelemiseksi |
| ZA974836B (en) * | 1997-06-02 | 1998-06-24 | Bountiful Applied Res Corp | Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product. |
| AU3562297A (en) * | 1997-06-25 | 1999-01-04 | Kvaerner Pulping Ab | Method in connection with the pretreatment of comminuted fibrous material |
| AU2005338842B2 (en) * | 2005-12-07 | 2011-08-11 | Kelly Anthony O'flynn | A novel catalytic reactor process for the production of commercial grade pulp, native lignin and unicellular protein |
| CN101255664B (zh) * | 2008-02-02 | 2010-10-20 | 山东太阳纸业股份有限公司 | 一种非木材纤维制浆方法 |
| FI123100B (fi) * | 2010-03-11 | 2012-11-15 | Metso Paper Inc | Menetelmä sivutuotteiden talteenottamiseksi |
| WO2013149913A1 (fr) * | 2012-04-03 | 2013-10-10 | Ovivo Luxembourg S.a.r.l. | Procédé pour l'élimination de matière non fibreuse solide à partir d'une pâte |
| US9333468B2 (en) * | 2012-09-24 | 2016-05-10 | Abengoa Bioenergy New Technologies, Llc | Soak vessels and methods for impregnating biomass with liquid |
| JP6522274B2 (ja) * | 2013-08-06 | 2019-05-29 | 日本製紙株式会社 | 溶解クラフトパルプの製造方法。 |
| CN203429499U (zh) * | 2013-09-11 | 2014-02-12 | 江苏飞翔纸业有限公司 | 一种防堵塞制浆废水循环利用系统 |
| CA2941083C (fr) * | 2014-03-21 | 2020-07-28 | Iogen Energy Corporation | Procede de traitement d'une charge de depart cellulosique a haute consistance |
| SE539706C2 (en) * | 2014-11-07 | 2017-11-07 | Valmet Oy | Method for recovering hydrolyzate |
-
2017
- 2017-02-07 SE SE1750106A patent/SE540305C2/en unknown
-
2018
- 2018-01-31 FI FIEP18750677.9T patent/FI3580388T3/fi active
- 2018-01-31 ES ES18750677T patent/ES2947013T3/es active Active
- 2018-01-31 EP EP18750677.9A patent/EP3580388B1/fr active Active
- 2018-01-31 PL PL18750677.9T patent/PL3580388T3/pl unknown
- 2018-01-31 PT PT187506779T patent/PT3580388T/pt unknown
- 2018-01-31 WO PCT/SE2018/050072 patent/WO2018147784A1/fr not_active Ceased
- 2018-01-31 CN CN201880009957.9A patent/CN110249092A/zh active Pending
-
2019
- 2019-08-05 CL CL2019002201A patent/CL2019002201A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP3580388B1 (fr) | 2023-05-10 |
| SE1750106A1 (sv) | 2018-06-05 |
| BR112019014396A2 (pt) | 2020-02-11 |
| PT3580388T (pt) | 2023-06-05 |
| ES2947013T3 (es) | 2023-07-31 |
| WO2018147784A1 (fr) | 2018-08-16 |
| SE540305C2 (en) | 2018-06-05 |
| CL2019002201A1 (es) | 2019-11-08 |
| EP3580388A1 (fr) | 2019-12-18 |
| CN110249092A (zh) | 2019-09-17 |
| EP3580388A4 (fr) | 2020-12-23 |
| PL3580388T3 (pl) | 2023-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2465384C2 (ru) | Двухколонная реакторная система и способ гидролиза и вываривания древесной щепы с помощью химически усиленного способа промывки | |
| SE526024C2 (sv) | System för matning av finfördelat fibermaterial med centrifugalpumpar | |
| CN104971522B (zh) | 一种半导体处理系统中流体除气泡装置及其除气泡方法 | |
| JP2011504803A (ja) | 脱気装置 | |
| FI3580388T3 (fi) | Järjestelmä ja menetelmä piioksidin poistamiseksi sellunkeittoprosessissa | |
| CN104370322A (zh) | 一种旋流气浮一体化装置 | |
| SE0500672L (sv) | Metod och arrangemang vid matning av en flissuspension | |
| CN203229827U (zh) | 一种白水回用系统 | |
| US3668063A (en) | Removal of entrained air from cellulose pulp before bleaching of the pulp | |
| CN104071863A (zh) | 优化脱硫废水水源的方法及其系统 | |
| CN203999037U (zh) | 优化脱硫废水水源的系统 | |
| CN206289026U (zh) | 一种用于处理工业设备产生的碱性废水的综合装置 | |
| AU2017268702B2 (en) | Method for the de-aeration of froths and foams | |
| FI68271B (fi) | Saett att oeverfoera med vaetska transporterbara material saosom fibermaterial | |
| CN105637144B (zh) | 将过程液体从处理级引至洗涤和/或过滤装置的方法和布置 | |
| CN109173671A (zh) | 焦化厂装车尾气处理方法及装置 | |
| CN101387085A (zh) | 用于采用化学药品增强的洗涤方法水解和煮解木屑的单容器反应器系统 | |
| CN104260940B (zh) | 饮料灌装生产线臭氧水浓度稳定恒压系统 | |
| FI105489B (fi) | Menetelmä ja laitteisto paperimassan esikäsittelemiseksi | |
| TWM660194U (zh) | 化學供應設備的管路排泡裝置 | |
| US11993895B2 (en) | Method of feeding wood chips to a prehydrolysis reactor | |
| CN109806944B (zh) | 一种利用磷尾矿回水的球磨机 | |
| CN209205019U (zh) | 硝基氯苯厂硝化及酸烟吸收废水萃取处理系统 | |
| CN209752628U (zh) | 除硫废液处理装置 | |
| CN101168930A (zh) | 一种废纸造纸过程纸浆脱墨方法及其系统 |