CA1052156A - Pulp - Google Patents
PulpInfo
- Publication number
- CA1052156A CA1052156A CA267,688A CA267688A CA1052156A CA 1052156 A CA1052156 A CA 1052156A CA 267688 A CA267688 A CA 267688A CA 1052156 A CA1052156 A CA 1052156A
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- fibres
- wood
- layer
- process according
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 claims abstract description 44
- 230000008569 process Effects 0.000 claims abstract description 41
- 239000002023 wood Substances 0.000 claims abstract description 36
- 238000004537 pulping Methods 0.000 claims abstract description 31
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 29
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000010008 shearing Methods 0.000 claims abstract description 5
- 229920002522 Wood fibre Polymers 0.000 claims description 23
- 230000000930 thermomechanical effect Effects 0.000 claims description 17
- 239000000123 paper Substances 0.000 claims description 10
- 239000011087 paperboard Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000011230 binding agent Substances 0.000 description 7
- 238000000227 grinding Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 4
- 230000001427 coherent effect Effects 0.000 description 3
- 238000007596 consolidation process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- WWYNJERNGUHSAO-XUDSTZEESA-N (+)-Norgestrel Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](CC)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 WWYNJERNGUHSAO-XUDSTZEESA-N 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000032258 transport Effects 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
- D21C9/001—Modification of pulp properties
- D21C9/007—Modification of pulp properties by mechanical or physical means
-
- 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
- D21C9/185—De-watering; Elimination of cooking or pulp-treating liquors from the pulp comprising at least one step where the pulp is suspended in a gaseous medium, e.g. flash drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Paper (AREA)
- Nonwoven Fabrics (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB51255/75A GB1564202A (en) | 1975-12-15 | 1975-12-15 | Pulp |
| GB4287876A GB1569264A (en) | 1976-10-15 | 1976-10-15 | Circuit for the visual monitoring of voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1052156A true CA1052156A (en) | 1979-04-10 |
Family
ID=26264995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA267,688A Expired CA1052156A (en) | 1975-12-15 | 1976-12-13 | Pulp |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA1052156A (OSRAM) |
| FI (1) | FI67239C (OSRAM) |
| NO (1) | NO145921C (OSRAM) |
| SE (1) | SE434654B (OSRAM) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4301974A (en) | 1978-12-01 | 1981-11-24 | Sunds Defibrator Aktiebolag | Refining apparatus |
| US5300192A (en) * | 1992-08-17 | 1994-04-05 | Weyerhaeuser Company | Wet laid fiber sheet manufacturing with reactivatable binders for binding particles to fibers |
| US5308896A (en) * | 1992-08-17 | 1994-05-03 | Weyerhaeuser Company | Particle binders for high bulk fibers |
| US5352480A (en) * | 1992-08-17 | 1994-10-04 | Weyerhaeuser Company | Method for binding particles to fibers using reactivatable binders |
| US5538783A (en) | 1992-08-17 | 1996-07-23 | Hansen; Michael R. | Non-polymeric organic binders for binding particles to fibers |
| US5543215A (en) | 1992-08-17 | 1996-08-06 | Weyerhaeuser Company | Polymeric binders for binding particles to fibers |
| US5547541A (en) | 1992-08-17 | 1996-08-20 | Weyerhaeuser Company | Method for densifying fibers using a densifying agent |
| US5547745A (en) * | 1992-08-17 | 1996-08-20 | Weyerhaeuser Company | Particle binders |
| US5589256A (en) | 1992-08-17 | 1996-12-31 | Weyerhaeuser Company | Particle binders that enhance fiber densification |
| US5641561A (en) * | 1992-08-17 | 1997-06-24 | Weyerhaeuser Company | Particle binding to fibers |
| US5807364A (en) | 1992-08-17 | 1998-09-15 | Weyerhaeuser Company | Binder treated fibrous webs and products |
| US5998032A (en) | 1992-08-17 | 1999-12-07 | Weyerhaeuser Company | Method and compositions for enhancing blood absorbence by superabsorbent materials |
| US6340411B1 (en) | 1992-08-17 | 2002-01-22 | Weyerhaeuser Company | Fibrous product containing densifying agent |
| US6391453B1 (en) | 1992-08-17 | 2002-05-21 | Weyernaeuser Company | Binder treated particles |
| US7144474B1 (en) | 1992-08-17 | 2006-12-05 | Weyerhaeuser Co. | Method of binding particles to binder treated fibers |
-
1976
- 1976-12-13 CA CA267,688A patent/CA1052156A/en not_active Expired
- 1976-12-13 SE SE7613973A patent/SE434654B/xx unknown
- 1976-12-14 NO NO764238A patent/NO145921C/no unknown
- 1976-12-15 FI FI763599A patent/FI67239C/fi not_active IP Right Cessation
Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4301974A (en) | 1978-12-01 | 1981-11-24 | Sunds Defibrator Aktiebolag | Refining apparatus |
| US5300192A (en) * | 1992-08-17 | 1994-04-05 | Weyerhaeuser Company | Wet laid fiber sheet manufacturing with reactivatable binders for binding particles to fibers |
| US5308896A (en) * | 1992-08-17 | 1994-05-03 | Weyerhaeuser Company | Particle binders for high bulk fibers |
| US5352480A (en) * | 1992-08-17 | 1994-10-04 | Weyerhaeuser Company | Method for binding particles to fibers using reactivatable binders |
| US5447977A (en) * | 1992-08-17 | 1995-09-05 | Weyerhaeuser Company | Particle binders for high bulk fibers |
| US5538783A (en) | 1992-08-17 | 1996-07-23 | Hansen; Michael R. | Non-polymeric organic binders for binding particles to fibers |
| US5543215A (en) | 1992-08-17 | 1996-08-06 | Weyerhaeuser Company | Polymeric binders for binding particles to fibers |
| US5547541A (en) | 1992-08-17 | 1996-08-20 | Weyerhaeuser Company | Method for densifying fibers using a densifying agent |
| US5547745A (en) * | 1992-08-17 | 1996-08-20 | Weyerhaeuser Company | Particle binders |
| US5571618A (en) | 1992-08-17 | 1996-11-05 | Weyerhaeuser Company | Reactivatable binders for binding particles to fibers |
| US5589256A (en) | 1992-08-17 | 1996-12-31 | Weyerhaeuser Company | Particle binders that enhance fiber densification |
| US5607759A (en) | 1992-08-17 | 1997-03-04 | Weyerhaeuser Company | Particle binding to fibers |
| US5609727A (en) | 1992-08-17 | 1997-03-11 | Weyerhaeuser Company | Fibrous product for binding particles |
| US5611885A (en) | 1992-08-17 | 1997-03-18 | Weyerhaeuser Company | Particle binders |
| US5614570A (en) | 1992-08-17 | 1997-03-25 | Weyerhaeuser Company | Absorbent articles containing binder carrying high bulk fibers |
| US5641561A (en) * | 1992-08-17 | 1997-06-24 | Weyerhaeuser Company | Particle binding to fibers |
| US5672418A (en) | 1992-08-17 | 1997-09-30 | Weyerhaeuser Company | Particle binders |
| US5693411A (en) | 1992-08-17 | 1997-12-02 | Weyerhaeuser Company | Binders for binding water soluble particles to fibers |
| US5789326A (en) | 1992-08-17 | 1998-08-04 | Weyerhaeuser Company | Particle binders |
| US5807364A (en) | 1992-08-17 | 1998-09-15 | Weyerhaeuser Company | Binder treated fibrous webs and products |
| US5998032A (en) | 1992-08-17 | 1999-12-07 | Weyerhaeuser Company | Method and compositions for enhancing blood absorbence by superabsorbent materials |
| US6071549A (en) | 1992-08-17 | 2000-06-06 | Weyerhaeuser Company | Binder treated fibrous webs and products |
| US6340411B1 (en) | 1992-08-17 | 2002-01-22 | Weyerhaeuser Company | Fibrous product containing densifying agent |
| US6391453B1 (en) | 1992-08-17 | 2002-05-21 | Weyernaeuser Company | Binder treated particles |
| US6395395B1 (en) | 1992-08-17 | 2002-05-28 | Weyerhaeuser Company | Method and compositions for enhancing blood absorbence by superabsorbent materials |
| US6425979B1 (en) | 1992-08-17 | 2002-07-30 | Weyerhaeuser Company | Method for making superabsorbent containing diapers |
| US6461553B1 (en) | 1992-08-17 | 2002-10-08 | Weyerhaeuser | Method of binding binder treated particles to fibers |
| US6521087B2 (en) | 1992-08-17 | 2003-02-18 | Weyerhaeuser Company | Method for forming a diaper |
| US6521339B1 (en) | 1992-08-17 | 2003-02-18 | Weyerhaeuser Company | Diol treated particles combined with fibers |
| US6596103B1 (en) | 1992-08-17 | 2003-07-22 | Weyerhaeuser Company | Method of binding binder treated particles to fibers |
| US6627249B2 (en) | 1992-08-17 | 2003-09-30 | Weyerhaeuser Company | Method of enhancing blood absorbence by superabsorbent material |
| US7018490B2 (en) | 1992-08-17 | 2006-03-28 | Weyerhaeuser Company | Method of binding binder treated particles to fibers |
| US7144474B1 (en) | 1992-08-17 | 2006-12-05 | Weyerhaeuser Co. | Method of binding particles to binder treated fibers |
Also Published As
| Publication number | Publication date |
|---|---|
| NO764238L (OSRAM) | 1977-06-16 |
| NO145921C (no) | 1982-06-23 |
| FI67239B (fi) | 1984-10-31 |
| SE434654B (sv) | 1984-08-06 |
| FI763599A7 (OSRAM) | 1977-06-16 |
| SE7613973L (sv) | 1977-06-16 |
| FI67239C (fi) | 1985-02-11 |
| NO145921B (no) | 1982-03-15 |
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