ES3000185T3 - High alpha and high intrinsic viscosity pulp production apparatuses, methods and systems - Google Patents
High alpha and high intrinsic viscosity pulp production apparatuses, methods and systems Download PDFInfo
- Publication number
- ES3000185T3 ES3000185T3 ES19932659T ES19932659T ES3000185T3 ES 3000185 T3 ES3000185 T3 ES 3000185T3 ES 19932659 T ES19932659 T ES 19932659T ES 19932659 T ES19932659 T ES 19932659T ES 3000185 T3 ES3000185 T3 ES 3000185T3
- Authority
- ES
- Spain
- Prior art keywords
- pulp
- digester
- liquor
- cooking
- filtrate
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 71
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 47
- 238000005406 washing Methods 0.000 claims abstract description 23
- 238000004061 bleaching Methods 0.000 claims abstract description 16
- 238000000605 extraction Methods 0.000 claims abstract description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003518 caustics Substances 0.000 claims abstract description 10
- 239000002655 kraft paper Substances 0.000 claims abstract description 10
- 238000010411 cooking Methods 0.000 claims description 51
- 239000000706 filtrate Substances 0.000 claims description 37
- 239000003513 alkali Substances 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 235000015927 pasta Nutrition 0.000 claims description 13
- 239000011121 hardwood Substances 0.000 claims description 11
- 239000002023 wood Substances 0.000 claims description 11
- 102100030386 Granzyme A Human genes 0.000 claims description 9
- 101001009599 Homo sapiens Granzyme A Proteins 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 5
- 239000008188 pellet Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000011122 softwood Substances 0.000 claims description 3
- 238000011001 backwashing Methods 0.000 claims description 2
- 239000002738 chelating agent Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims description 2
- 159000000003 magnesium salts Chemical class 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 claims 1
- 230000007062 hydrolysis Effects 0.000 abstract description 5
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 239000004627 regenerated cellulose Substances 0.000 abstract description 3
- 229920002488 Hemicellulose Polymers 0.000 description 14
- 241000196324 Embryophyta Species 0.000 description 12
- 229920005610 lignin Polymers 0.000 description 10
- 230000014759 maintenance of location Effects 0.000 description 8
- 239000012071 phase Substances 0.000 description 8
- 229920002678 cellulose Polymers 0.000 description 7
- 239000001913 cellulose Substances 0.000 description 7
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005470 impregnation Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LUNBMBVWKORSGN-TYEKWLQESA-N P-factor Chemical compound CC(C)C[C@@H](C(O)=O)NC(=O)[C@H](CC(N)=O)NC(=O)[C@@H]1CCCN1C(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H]1N(C(=O)[C@H](CC(N)=O)NC(=O)[C@@H](NC(=O)[C@H](CC=2C=CC=CC=2)NC(=O)[C@@H](NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CC=2C3=CC=CC=C3NC=2)NC(=O)[C@H](CO)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CC=2C=CC(O)=CC=2)NC(=O)[C@H](C)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC=2C=CC=CC=2)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](C)NC(=O)[C@H](CC=2C=CC(O)=CC=2)NC(=O)[C@@H](N)[C@@H](C)O)[C@@H](C)O)C(C)C)CCC1 LUNBMBVWKORSGN-TYEKWLQESA-N 0.000 description 3
- 101800002502 P-factor Proteins 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241001442228 Eucalyptus grandis x Eucalyptus urophylla Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 108010009736 Protein Hydrolysates Proteins 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000413 hydrolysate Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 239000013055 pulp slurry Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 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
- 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
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting 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
- D21C3/02—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
- 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
- D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2019/000599 WO2020249992A1 (fr) | 2019-06-14 | 2019-06-14 | Appareils, procédés et systèmes de production de pâte à viscosité intrinsèque élevée et à alpha élevé |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES3000185T3 true ES3000185T3 (en) | 2025-02-27 |
Family
ID=73781154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES19932659T Active ES3000185T3 (en) | 2019-06-14 | 2019-06-14 | High alpha and high intrinsic viscosity pulp production apparatuses, methods and systems |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP3983605B1 (fr) |
| CN (1) | CN114096711B (fr) |
| ES (1) | ES3000185T3 (fr) |
| FI (1) | FI3983605T3 (fr) |
| PH (1) | PH12021553126A1 (fr) |
| PT (1) | PT3983605T (fr) |
| WO (1) | WO2020249992A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022235212A1 (fr) * | 2021-05-03 | 2022-11-10 | Asia Pacific Resources International Holdings Ltd. | Procédé de traitement de produit de départ non ligneux |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3627630A (en) * | 1969-12-04 | 1971-12-14 | Beloit Corp | Method of flash drying pulp |
| FI103898B1 (fi) * | 1994-01-24 | 1999-10-15 | Sunds Defibrator Pori Oy | Menetelmä prehydrolysoidun sellun ja/tai sellumassan tuottamiseksi |
| FI104572B (fi) * | 1996-05-30 | 2000-02-29 | Kemira Chemicals Oy | Menetelmä kemiallisen massan valkaisemiseksi |
| JP4192567B2 (ja) * | 2002-11-19 | 2008-12-10 | 日本製紙株式会社 | 高白色度漂白クラフトパルプの製造方法 |
| AT503610B1 (de) * | 2006-05-10 | 2012-03-15 | Chemiefaser Lenzing Ag | Verfahren zur herstellung eines zellstoffes |
| CN103003487B (zh) * | 2010-05-04 | 2016-04-27 | 巴伊亚特种纤维素公司 | 高α溶解浆生产的方法和系统 |
| KR20110123184A (ko) | 2010-05-06 | 2011-11-14 | 바히아 스페셜티 셀룰로스 에스에이 | 높은 알파 용해 펄프 제조를 위한 방법 및 시스템 |
| CN102337689B (zh) * | 2011-09-30 | 2013-10-16 | 重庆理文造纸有限公司 | 一种用于制备竹材溶解浆的蒸煮方法 |
| WO2013178608A1 (fr) * | 2012-05-28 | 2013-12-05 | Södra Cell Ab | Nouveau procédé et pâte dissolvante fabriquée par le procédé |
| JP6358771B2 (ja) * | 2012-06-15 | 2018-07-18 | 日本製紙株式会社 | 溶解クラフトパルプの製造方法 |
| CN102888772B (zh) * | 2012-10-17 | 2015-01-28 | 四川永丰纸业股份有限公司 | 一种汽蒸硫酸盐置换蒸煮制备竹浆粕的方法 |
-
2019
- 2019-06-14 FI FIEP19932659.6T patent/FI3983605T3/fi active
- 2019-06-14 PT PT199326596T patent/PT3983605T/pt unknown
- 2019-06-14 CN CN201980098368.7A patent/CN114096711B/zh active Active
- 2019-06-14 ES ES19932659T patent/ES3000185T3/es active Active
- 2019-06-14 WO PCT/IB2019/000599 patent/WO2020249992A1/fr not_active Ceased
- 2019-06-14 PH PH1/2021/553126A patent/PH12021553126A1/en unknown
- 2019-06-14 EP EP19932659.6A patent/EP3983605B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3983605A1 (fr) | 2022-04-20 |
| EP3983605A4 (fr) | 2023-01-25 |
| WO2020249992A9 (fr) | 2021-03-11 |
| FI3983605T3 (fi) | 2024-11-27 |
| CN114096711B (zh) | 2024-04-19 |
| BR112021025188A2 (pt) | 2022-03-03 |
| CN114096711A (zh) | 2022-02-25 |
| PH12021553126A1 (en) | 2022-08-01 |
| BR112021025188A8 (pt) | 2022-03-15 |
| EP3983605B1 (fr) | 2024-09-04 |
| PT3983605T (pt) | 2024-11-14 |
| WO2020249992A1 (fr) | 2020-12-17 |
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