JP2001316992A - セルロース繊維材料の処理槽への供給方法 - Google Patents
セルロース繊維材料の処理槽への供給方法Info
- Publication number
- JP2001316992A JP2001316992A JP2001128997A JP2001128997A JP2001316992A JP 2001316992 A JP2001316992 A JP 2001316992A JP 2001128997 A JP2001128997 A JP 2001128997A JP 2001128997 A JP2001128997 A JP 2001128997A JP 2001316992 A JP2001316992 A JP 2001316992A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- slurry
- pump
- conduit
- pressure
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 126
- 239000002657 fibrous material Substances 0.000 title claims abstract description 46
- 229920003043 Cellulose fiber Polymers 0.000 title description 13
- 239000007788 liquid Substances 0.000 claims abstract description 329
- 239000002002 slurry Substances 0.000 claims abstract description 220
- 239000000463 material Substances 0.000 claims abstract description 83
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- 239000002738 chelating agent Substances 0.000 claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims description 95
- 238000011282 treatment Methods 0.000 claims description 85
- 238000010411 cooking Methods 0.000 claims description 36
- 239000007787 solid Substances 0.000 claims description 31
- 238000011144 upstream manufacturing Methods 0.000 claims description 31
- 239000003814 drug Substances 0.000 claims description 24
- 239000012530 fluid Substances 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 17
- 238000005086 pumping Methods 0.000 claims description 11
- 238000010306 acid treatment Methods 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000010926 purge Methods 0.000 claims description 6
- 239000012670 alkaline solution Substances 0.000 claims description 4
- 230000003134 recirculating effect Effects 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 2
- 239000003352 sequestering agent Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 abstract description 30
- 239000002023 wood Substances 0.000 abstract description 29
- 229920002678 cellulose Polymers 0.000 abstract description 23
- 239000001913 cellulose Substances 0.000 abstract description 23
- 150000002739 metals Chemical class 0.000 abstract description 8
- 238000002419 base digestion Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 description 54
- 238000012937 correction Methods 0.000 description 33
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
- 238000003860 storage Methods 0.000 description 20
- 229940079593 drug Drugs 0.000 description 19
- 230000008859 change Effects 0.000 description 18
- 230000004087 circulation Effects 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 15
- 239000000654 additive Substances 0.000 description 14
- 239000002655 kraft paper Substances 0.000 description 13
- 230000006870 function Effects 0.000 description 12
- 239000003513 alkali Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 10
- 150000004056 anthraquinones Chemical class 0.000 description 10
- -1 for example Substances 0.000 description 10
- 239000005077 polysulfide Substances 0.000 description 10
- 229920001021 polysulfide Polymers 0.000 description 10
- 150000008117 polysulfides Polymers 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- 239000004576 sand Substances 0.000 description 9
- 230000003068 static effect Effects 0.000 description 9
- 102000004190 Enzymes Human genes 0.000 description 8
- 108090000790 Enzymes Proteins 0.000 description 8
- 238000007872 degassing Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 8
- 239000004094 surface-active agent Substances 0.000 description 8
- 229920001131 Pulp (paper) Polymers 0.000 description 7
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 238000010025 steaming Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 238000013019 agitation Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 5
- 239000007844 bleaching agent Substances 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- 238000004061 bleaching Methods 0.000 description 4
- 230000009920 chelation Effects 0.000 description 4
- 239000002826 coolant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 230000029087 digestion Effects 0.000 description 4
- 238000004537 pulping Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 239000011121 hardwood Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 229910052979 sodium sulfide Inorganic materials 0.000 description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000010908 plant waste Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 241000609240 Ambelania acida Species 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 240000000797 Hibiscus cannabinus Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000002154 agricultural waste Substances 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000013055 pulp slurry Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 235000010269 sulphur dioxide Nutrition 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000003466 welding Methods 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
- D21C1/04—Pretreatment of the finely-divided materials before digesting with acid 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
- D21C7/00—Digesters
- D21C7/06—Feeding devices
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/568,962 US6336993B1 (en) | 1996-10-25 | 2000-05-11 | Metal removal from comminuted fibrous material during feeding |
| US09/568962 | 2000-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001316992A true JP2001316992A (ja) | 2001-11-16 |
Family
ID=24273489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001128997A Withdrawn JP2001316992A (ja) | 2000-05-11 | 2001-04-26 | セルロース繊維材料の処理槽への供給方法 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2001316992A (sv) |
| CA (1) | CA2345759A1 (sv) |
| FI (1) | FI20010854A (sv) |
| SE (1) | SE0101554L (sv) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004232184A (ja) * | 2003-01-30 | 2004-08-19 | Andritz Inc | 高圧スクリューポンプと遠心ポンプを用いる細砕セルロース繊維材料の供給装置および方法 |
| JP2005515320A (ja) * | 2002-01-24 | 2005-05-26 | クヴアナ・パルピング・アクチボラグ | セルロースの連続蒸解方法 |
| JP2009185413A (ja) * | 2008-02-06 | 2009-08-20 | San Nopco Ltd | リグノセルロース物質蒸解用蒸解助剤及びパルプの製造方法 |
| JP2022504216A (ja) * | 2018-10-03 | 2022-01-13 | アンドリッツ オサケ ユキチュア | 前加水分解反応器へ木材チップを供給する方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE542430C2 (sv) * | 2017-09-19 | 2020-04-28 | Domsjoe Fabriker Ab | Removal of inorganic elements from wood chips |
| SE543151C2 (sv) * | 2018-07-02 | 2020-10-13 | Valmet Oy | Feeding system and method for feeding comminuted cellulosic material to a high-pressure treatment zone |
-
2001
- 2001-04-24 FI FI20010854A patent/FI20010854A/sv unknown
- 2001-04-26 JP JP2001128997A patent/JP2001316992A/ja not_active Withdrawn
- 2001-05-01 CA CA002345759A patent/CA2345759A1/en not_active Abandoned
- 2001-05-04 SE SE0101554A patent/SE0101554L/sv not_active Application Discontinuation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005515320A (ja) * | 2002-01-24 | 2005-05-26 | クヴアナ・パルピング・アクチボラグ | セルロースの連続蒸解方法 |
| JP2004232184A (ja) * | 2003-01-30 | 2004-08-19 | Andritz Inc | 高圧スクリューポンプと遠心ポンプを用いる細砕セルロース繊維材料の供給装置および方法 |
| JP2009185413A (ja) * | 2008-02-06 | 2009-08-20 | San Nopco Ltd | リグノセルロース物質蒸解用蒸解助剤及びパルプの製造方法 |
| JP2022504216A (ja) * | 2018-10-03 | 2022-01-13 | アンドリッツ オサケ ユキチュア | 前加水分解反応器へ木材チップを供給する方法 |
| US11993895B2 (en) | 2018-10-03 | 2024-05-28 | Andritz Oy | Method of feeding wood chips to a prehydrolysis reactor |
| JP7554185B2 (ja) | 2018-10-03 | 2024-09-19 | アンドリッツ オサケ ユキチュア | 前加水分解反応器へ木材チップを供給する方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FI20010854A (sv) | 2001-11-12 |
| SE0101554D0 (sv) | 2001-05-04 |
| SE0101554L (sv) | 2001-11-12 |
| CA2345759A1 (en) | 2001-11-11 |
| FI20010854A0 (sv) | 2001-04-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Application deemed to be withdrawn because no request for examination was validly filed |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20080701 |