FI61053C - Foerfarande foer att reglera tillsatsen av suspensionsvaetska vid kontinuerlig tvaettning av suspensioner - Google Patents
Foerfarande foer att reglera tillsatsen av suspensionsvaetska vid kontinuerlig tvaettning av suspensioner Download PDFInfo
- Publication number
- FI61053C FI61053C FI771167A FI771167A FI61053C FI 61053 C FI61053 C FI 61053C FI 771167 A FI771167 A FI 771167A FI 771167 A FI771167 A FI 771167A FI 61053 C FI61053 C FI 61053C
- Authority
- FI
- Finland
- Prior art keywords
- washing
- pulp
- liquid
- suspension
- loss
- Prior art date
Links
- 238000005406 washing Methods 0.000 claims description 138
- 239000007788 liquid Substances 0.000 claims description 97
- 239000000725 suspension Substances 0.000 claims description 64
- 238000000034 method Methods 0.000 claims description 32
- 239000000356 contaminant Substances 0.000 claims description 29
- 239000003344 environmental pollutant Substances 0.000 claims description 12
- 231100000719 pollutant Toxicity 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000007865 diluting Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000004458 analytical method Methods 0.000 description 21
- 239000000126 substance Substances 0.000 description 21
- 238000010411 cooking Methods 0.000 description 18
- 239000011734 sodium Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000010790 dilution Methods 0.000 description 16
- 239000012895 dilution Substances 0.000 description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 15
- 239000001301 oxygen Substances 0.000 description 15
- 229910052760 oxygen Inorganic materials 0.000 description 15
- 238000012360 testing method Methods 0.000 description 14
- 239000003085 diluting agent Substances 0.000 description 13
- 229910010272 inorganic material Inorganic materials 0.000 description 13
- 239000011147 inorganic material Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 10
- 239000012535 impurity Substances 0.000 description 10
- 239000011368 organic material Substances 0.000 description 10
- 239000005416 organic matter Substances 0.000 description 10
- 238000004061 bleaching Methods 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Substances [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 229920002678 cellulose Polymers 0.000 description 8
- 239000001913 cellulose Substances 0.000 description 8
- 229910052938 sodium sulfate Inorganic materials 0.000 description 8
- 235000011152 sodium sulphate Nutrition 0.000 description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 7
- 229910052708 sodium Inorganic materials 0.000 description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 7
- 239000007832 Na2SO4 Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000012216 screening Methods 0.000 description 6
- 229910021653 sulphate ion Inorganic materials 0.000 description 6
- 229920001131 Pulp (paper) Polymers 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 229920003043 Cellulose fiber Polymers 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- CQGRLHBOVUGVEA-UHFFFAOYSA-N OOOOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOOOO CQGRLHBOVUGVEA-UHFFFAOYSA-N 0.000 description 3
- 239000007844 bleaching agent Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 239000004155 Chlorine dioxide Substances 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000007707 calorimetry Methods 0.000 description 2
- 239000002894 chemical waste Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 238000005375 photometry Methods 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910001902 chlorine oxide Inorganic materials 0.000 description 1
- 238000002477 conductometry Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005048 flame photometry Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012088 reference solution Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000611 regression analysis Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012546 transfer 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
- 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/09—Uses for paper making sludge
- Y10S162/10—Computer control of paper making variables
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Treatment Of Fiber Materials (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Sanitary Device For Flush Toilet (AREA)
- External Artificial Organs (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7604431 | 1976-04-14 | ||
| SE7604431A SE406944B (sv) | 1976-04-14 | 1976-04-14 | Forfarande for att reglera tillsatsen av suspensinsvetska vid kontinuerlig tvettning av suspensioner |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI771167A7 FI771167A7 (2) | 1977-10-15 |
| FI61053B FI61053B (fi) | 1982-01-29 |
| FI61053C true FI61053C (fi) | 1982-05-10 |
Family
ID=20327596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI771167A FI61053C (fi) | 1976-04-14 | 1977-04-13 | Foerfarande foer att reglera tillsatsen av suspensionsvaetska vid kontinuerlig tvaettning av suspensioner |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4138313A (2) |
| JP (1) | JPS6047959B2 (2) |
| BR (1) | BR7702340A (2) |
| DE (1) | DE2716139C2 (2) |
| FI (1) | FI61053C (2) |
| FR (1) | FR2348313A1 (2) |
| NO (1) | NO151298C (2) |
| SE (1) | SE406944B (2) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE406943B (sv) * | 1976-04-14 | 1979-03-05 | Mo Och Domsjoe Ab | Forfarande for kontinuerlig tvettning av suspensioner |
| US4207141A (en) * | 1978-05-09 | 1980-06-10 | Seymour George W | Process for controlling pulp washing systems |
| JPS5823224B2 (ja) * | 1980-08-21 | 1983-05-13 | 凸版印刷株式会社 | 印刷装置 |
| US4505137A (en) * | 1982-12-08 | 1985-03-19 | Westvaco Corporation | Apparatus for washing paper pulp |
| US4491501A (en) * | 1982-12-08 | 1985-01-01 | Westvaco Corporation | Method for washing a fibrous particle mat with wash liquor having an impact energy sufficient to disrupt and rearrange the interstitial pore matrix |
| US4670099A (en) * | 1983-02-04 | 1987-06-02 | Lavalley Industrial Plastics, Inc. | Method and apparatus for washing a mat of pulp stock on a drum filter |
| SE451736B (sv) * | 1983-09-19 | 1987-10-26 | Nils Anders Lennart Wikdahl | Sett vid urvattning av en vattenhaltig suspension innehallande cellulosafibrer |
| US4560440A (en) * | 1984-02-27 | 1985-12-24 | Westvaco Corporation | Apparatus for measuring concentration of dissolved solids in a pulp mat |
| US4746405A (en) * | 1984-08-31 | 1988-05-24 | International Paper Company | System for cellulose pulp washing control |
| US4889599A (en) * | 1984-08-31 | 1989-12-26 | International Paper Company | Apparatus for continuously measuring the soda loss in a pulp washing system |
| US4732651A (en) * | 1984-08-31 | 1988-03-22 | International Paper Company | Method for monitoring and controlling a pulp washing system |
| US4963229A (en) * | 1985-07-02 | 1990-10-16 | International Paper Company | System and method for continuous measurement of pulp consistency in a blowline of a continuous pulp digester |
| FI74752C (fi) * | 1986-03-20 | 1992-12-01 | Ahlstroem Oy | Foerfarande och anordning foer tvaettning av cellulosa |
| FI108800B (fi) * | 1991-05-07 | 2002-03-28 | Iogen Corp | Menetelmä ja laitteisto entsyymin käyttämiseksi paperimassan valmistuksessa ja valkaisussa |
| US5540244A (en) * | 1993-12-07 | 1996-07-30 | Advanced Environmental Recycling Technologies, Inc. | Method and apparatus for cleaning and recycling post-consumer plastic films |
| AUPQ468299A0 (en) * | 1999-12-15 | 2000-01-20 | James Hardie Research Pty Limited | Method and apparatus for extruding cementitious articles |
| ATE368017T1 (de) * | 2000-03-14 | 2007-08-15 | James Hardie Int Finance Bv | Faserzementbaumaterialien mit zusatzstoffen niedriger dichte |
| AU9505501A (en) * | 2000-10-04 | 2002-04-15 | James Hardie Res Pty Ltd | Fiber cement composite materials using cellulose fibers loaded with inorganic and/or organic substances |
| KR100855848B1 (ko) * | 2000-10-04 | 2008-09-01 | 제임스 하디 인터내셔널 파이낸스 비.브이. | 사이징된 셀룰로즈 섬유를 이용한 섬유 시멘트 복합 재료 |
| ATE337281T1 (de) * | 2000-10-17 | 2006-09-15 | James Hardie Int Finance Bv | Faserzement verbundmaterial mit biozid behandelten, dauerhaften zellulosefasern |
| MXPA03003363A (es) | 2000-10-17 | 2003-06-19 | James Hardie Res Pty Ltd | Metodo y aparato para reducir impurezas en fibras de celulosa en la manufactura de compuestos de cemento reforzado con fibra. |
| CA2439698C (en) * | 2001-03-09 | 2011-04-19 | James Hardie Research Pty. Limited | Fiber reinforced cement composite materials using chemically treated fibers with improved dispersibility |
| SE519178C2 (sv) * | 2001-06-13 | 2003-01-28 | Mvm Konsult Ab | Förfarande för att analysera en vätskeformig restprodukt vid en rengöringsprocess, samt en anordning för utförande av förfarandet |
| MXPA05003691A (es) | 2002-10-07 | 2005-11-17 | James Hardie Int Finance Bv | Material mixto de fibrocemento de densidad media durable. |
| EP1587767B1 (en) | 2003-01-09 | 2017-07-19 | James Hardie Technology Limited | Fiber cement composite materials using bleached cellulose fibers and their manufacturing method |
| US7998571B2 (en) | 2004-07-09 | 2011-08-16 | James Hardie Technology Limited | Composite cement article incorporating a powder coating and methods of making same |
| WO2007115379A1 (en) | 2006-04-12 | 2007-10-18 | James Hardie International Finance B.V. | A surface sealed reinforced building element |
| US8209927B2 (en) * | 2007-12-20 | 2012-07-03 | James Hardie Technology Limited | Structural fiber cement building materials |
| BR112013012713A2 (pt) | 2010-11-23 | 2019-09-24 | Rhodia Operations | métodos de monitoramento do processo de guar |
| FI128252B (en) * | 2015-11-04 | 2020-01-31 | Kemira Oyj | Process for optimizing material recycling in chemical pulping |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2745712A (en) * | 1953-10-22 | 1956-05-15 | Improved Machinery Inc | Process for countercurrent washing of cooking liquor out of pulp |
| CA938128A (en) * | 1970-11-27 | 1973-12-11 | Domtar Limited | Continuous measurement of pulp properties |
| ZA727560B (en) * | 1971-11-24 | 1973-07-25 | Westinghouse Electric Corp | An improvement in or relating to computer control for continuous drum-type vacuum pulp washers |
| SE377348B (2) * | 1972-07-14 | 1975-06-30 | Mo Och Domsjoe Ab | |
| US4014736A (en) * | 1974-12-17 | 1977-03-29 | The Ontario Paper Company Limited | Process for treating a slurry of cellulosic material |
-
1976
- 1976-04-14 SE SE7604431A patent/SE406944B/xx not_active IP Right Cessation
-
1977
- 1977-04-07 US US05/785,399 patent/US4138313A/en not_active Expired - Lifetime
- 1977-04-12 DE DE2716139A patent/DE2716139C2/de not_active Expired
- 1977-04-13 JP JP52043147A patent/JPS6047959B2/ja not_active Expired
- 1977-04-13 NO NO771272A patent/NO151298C/no unknown
- 1977-04-13 FI FI771167A patent/FI61053C/fi not_active IP Right Cessation
- 1977-04-13 BR BR7702340A patent/BR7702340A/pt unknown
- 1977-04-14 FR FR7711230A patent/FR2348313A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5319407A (en) | 1978-02-22 |
| DE2716139C2 (de) | 1986-06-12 |
| NO771272L (no) | 1977-10-17 |
| SE406944B (sv) | 1979-03-05 |
| FI771167A7 (2) | 1977-10-15 |
| FR2348313A1 (fr) | 1977-11-10 |
| FR2348313B1 (2) | 1982-06-11 |
| FI61053B (fi) | 1982-01-29 |
| JPS6047959B2 (ja) | 1985-10-24 |
| US4138313A (en) | 1979-02-06 |
| BR7702340A (pt) | 1978-05-09 |
| SE7604431L (sv) | 1977-10-15 |
| NO151298B (no) | 1984-12-03 |
| NO151298C (no) | 1985-03-13 |
| DE2716139A1 (de) | 1977-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: MO OCH DOMSJOE AB |