NO774099L - Fremgangsmaate ved behandling av lignocellulose- eller cellulosemasse - Google Patents
Fremgangsmaate ved behandling av lignocellulose- eller cellulosemasseInfo
- Publication number
- NO774099L NO774099L NO774099A NO774099A NO774099L NO 774099 L NO774099 L NO 774099L NO 774099 A NO774099 A NO 774099A NO 774099 A NO774099 A NO 774099A NO 774099 L NO774099 L NO 774099L
- Authority
- NO
- Norway
- Prior art keywords
- mass
- pulp
- treatment
- gaseous ammonia
- ammonia
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 52
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 110
- 229910021529 ammonia Inorganic materials 0.000 claims description 54
- 239000000126 substance Substances 0.000 claims description 13
- 239000002655 kraft paper Substances 0.000 claims description 10
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 7
- 229920001131 Pulp (paper) Polymers 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 229920002678 cellulose Polymers 0.000 claims description 4
- 239000001913 cellulose Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009489 vacuum treatment Methods 0.000 claims description 3
- 238000010297 mechanical methods and process Methods 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 239000011122 softwood Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 29
- 239000000123 paper Substances 0.000 description 16
- 239000002023 wood Substances 0.000 description 7
- 238000004061 bleaching Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 6
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 6
- 235000008577 Pinus radiata Nutrition 0.000 description 5
- 241000218621 Pinus radiata Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- 239000004155 Chlorine dioxide Substances 0.000 description 3
- 235000019398 chlorine dioxide Nutrition 0.000 description 3
- 238000010411 cooking Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 2
- 239000004289 sodium hydrogen sulphite Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910001902 chlorine oxide Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012978 lignocellulosic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010875 treated wood Substances 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
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NZ18278276A NZ182782A (en) | 1976-12-01 | 1976-12-01 | Treatment of cellulosic or ligno cellulosic pulp with gaseous ammonia |
| NZ18431277 | 1977-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO774099L true NO774099L (no) | 1978-06-02 |
Family
ID=26649651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO774099A NO774099L (no) | 1976-12-01 | 1977-11-30 | Fremgangsmaate ved behandling av lignocellulose- eller cellulosemasse |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4227964A (fi) |
| JP (1) | JPS5394603A (fi) |
| AU (1) | AU3102077A (fi) |
| BR (1) | BR7707975A (fi) |
| CA (1) | CA1102969A (fi) |
| FI (1) | FI773597A (fi) |
| NO (1) | NO774099L (fi) |
| SE (1) | SE7713518L (fi) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5037663A (en) * | 1981-10-14 | 1991-08-06 | Colorado State University Research Foundation | Process for increasing the reactivity of cellulose-containing materials |
| NZ204019A (en) * | 1982-05-11 | 1986-09-10 | Pulp Paper Res Inst | Heat treatment of pulp fibres |
| US5102501A (en) * | 1982-08-18 | 1992-04-07 | James River-Norwalk, Inc. | Multiple layer fibrous web products of enhanced bulk and method of manufacturing same |
| US4597930A (en) * | 1983-07-11 | 1986-07-01 | Szal John R | Method of manufacture of a felted fibrous product from a nonaqueous medium |
| US4913773A (en) * | 1987-01-14 | 1990-04-03 | James River-Norwalk, Inc. | Method of manufacture of paperboard |
| US4869782A (en) * | 1988-02-12 | 1989-09-26 | James River-Norwalk, Inc. | Method of producing high bulking anfractuous cellulosic fiber using anhydrous liquid ammonia |
| US5906894A (en) * | 1994-03-25 | 1999-05-25 | Weyerhaeuser Company | Multi-ply cellulosic products using high-bulk cellulosic fibers |
| US5843278A (en) * | 1997-02-14 | 1998-12-01 | Potlatch Corporation | Method of producing soft paper products |
| US20030150065A1 (en) * | 1998-12-30 | 2003-08-14 | Sheng-Hsin Hu | Liquid ammonia explosion treatment of wood fibers |
| US7815741B2 (en) | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
| US7815876B2 (en) | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602890C (de) * | 1928-06-06 | 1934-09-18 | E J Du Pont De Nemours & Co | Verfahren zur Herstellung von besonders saugfaehigem papieraehnlichem Stoff aus Cellulose |
| CA752864A (en) * | 1965-10-12 | 1967-02-14 | Pulp And Paper Research Institute Of Canada | Extraction of fibrous cellulosic material with ammonia following treatment with chlorine, chlorine dioxide or other reagents |
| CA849982A (en) * | 1967-12-15 | 1970-08-25 | M. Clayton David | Process for producing wood pulp |
| US3630828A (en) * | 1968-05-13 | 1971-12-28 | Pulp Paper Res Inst | Bleaching of a low-density, substantially uncompacted, porous fluffed cellulosic pulp |
| CA864409A (en) * | 1969-04-14 | 1971-02-23 | H. Andrews Douglas | Pulp bleaching process |
| US3652305A (en) * | 1970-02-24 | 1972-03-28 | Thomas E Cook | Moldable hydrated magnesium oxide and the formation of molded articles therefrom |
| SE360128C (sv) * | 1970-08-25 | 1983-10-31 | Mo Och Domsjoe Ab | Sett att bleka cellulosamassa med en syreinnehallande gas i nervaro av alkali |
| US3707436A (en) * | 1971-03-22 | 1972-12-26 | Kimberly Clark Co | Exploding of ammonia impregnated wood chips |
| US3740311A (en) * | 1971-05-24 | 1973-06-19 | Pulp Paper Res Inst | Delignification of cellulosic pulp with ammonia gas followed by heating in the presence of oxygen |
| GB1381728A (en) | 1971-10-01 | 1975-01-29 | Thillaimuthu J | Production of cellulose pulp for paper and paper board |
| US3832276A (en) * | 1973-03-07 | 1974-08-27 | Int Paper Co | Delignification and bleaching of a cellulose pulp slurry with oxygen |
| US3951734A (en) * | 1974-10-11 | 1976-04-20 | Weyerhaeuser Company | Ammonia-ketone pulping process |
| US4002526A (en) * | 1975-10-10 | 1977-01-11 | International Paper Company | Oxygen-alkali delignification of low consistency wood pulp |
-
1977
- 1977-11-28 FI FI773597A patent/FI773597A/fi not_active Application Discontinuation
- 1977-11-28 AU AU31020/77A patent/AU3102077A/en active Pending
- 1977-11-29 CA CA291,943A patent/CA1102969A/en not_active Expired
- 1977-11-29 SE SE7713518A patent/SE7713518L/ not_active Application Discontinuation
- 1977-11-30 NO NO774099A patent/NO774099L/no unknown
- 1977-11-30 JP JP14381577A patent/JPS5394603A/ja active Pending
- 1977-11-30 BR BR7707975A patent/BR7707975A/pt unknown
-
1979
- 1979-03-26 US US06/023,768 patent/US4227964A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4227964A (en) | 1980-10-14 |
| JPS5394603A (en) | 1978-08-18 |
| CA1102969A (en) | 1981-06-16 |
| AU3102077A (en) | 1979-06-07 |
| BR7707975A (pt) | 1978-09-05 |
| FI773597A (fi) | 1978-06-02 |
| SE7713518L (sv) | 1978-06-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Vu et al. | Delignification of bamboo (Bambusa procera acher): Part 1. Kraft pulping and the subsequent oxygen delignification to pulp with a low kappa number | |
| US4431479A (en) | Process for improving and retaining pulp properties | |
| US20190169799A1 (en) | Low coarseness southern softwood pulps | |
| NO774099L (no) | Fremgangsmaate ved behandling av lignocellulose- eller cellulosemasse | |
| Requejo et al. | TCF bleaching sequence in kraft pulping of olive tree pruning residues | |
| Jahan et al. | Alkaline pulping and bleaching of Acacia auriculiformis grown in Bangladesh | |
| US2749241A (en) | Process for producing semi-chemical pulp | |
| US20020129912A1 (en) | Fully bleached sulfite chemical pulp, a process for the production thereof and products derived therefrom | |
| Tschirner et al. | Recycling of chemical pulp from wheat straw and corn stover | |
| US2566130A (en) | Manufacture of glassine paper | |
| Souza et al. | Enhancement of eucalypt pulp yield through extended impregnation cooking | |
| EP1375734A1 (en) | Bleached, strong sulfite chemical pulp, a process for the production thereof and products derived therefrom | |
| Lewis et al. | Nalgrass: a nonwood fiber source suitable for existing US pulp mills | |
| Deshmukh et al. | Banana pseudo-stem: an alternative raw material for paper making | |
| Sahin et al. | Chemical treatment of recycled pulp fibres for property development: Part 3. Effects on OCC pulps | |
| Abrantes et al. | Evaluation of giant reed as a raw-material for paper production | |
| EP0096460B1 (en) | Process for improving and retaining pulp properties | |
| Wei et al. | Effect of bleaching using sodium hydroxide on pulp derived from Sesbania grandiflora | |
| US1824837A (en) | Papermaking composition | |
| JP3592587B2 (ja) | 製紙用パルプの製造方法 | |
| Boschetti et al. | The effect of reaction wood on the properties of eucalyptus kraft pulp–Part II | |
| Ferdous et al. | Formic Acid Pulping and TCF Bleaching of Cassava Stalks | |
| Adli et al. | Paper Bag Production Using Banana Stem Via Kraft Pulping Process | |
| Seisto et al. | Fibre characteristics and paper properties of formic acid/peroxyformic acid birch pulps | |
| Van Wyk et al. | Pulping characteristics of Eucalyptus provenance trials grown in the Western Cape: Part 1: Comparison between species |