FI93749C - Menetelmä mekaanisen massan valmistamiseksi - Google Patents
Menetelmä mekaanisen massan valmistamiseksi Download PDFInfo
- Publication number
- FI93749C FI93749C FI881544A FI881544A FI93749C FI 93749 C FI93749 C FI 93749C FI 881544 A FI881544 A FI 881544A FI 881544 A FI881544 A FI 881544A FI 93749 C FI93749 C FI 93749C
- Authority
- FI
- Finland
- Prior art keywords
- hydrogen peroxide
- process according
- pulp
- complexing
- temperature
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 28
- 230000008569 process Effects 0.000 title claims description 23
- 229920001131 Pulp (paper) Polymers 0.000 title claims description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000008139 complexing agent Substances 0.000 claims abstract description 14
- 239000003352 sequestering agent Substances 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims abstract description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical class O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000000536 complexating effect Effects 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 159000000003 magnesium salts Chemical class 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000010009 beating Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 229920003357 Clarene® Polymers 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 159000000000 sodium salts Chemical group 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- BYHQTRFJOGIQAO-GOSISDBHSA-N 3-(4-bromophenyl)-8-[(2R)-2-hydroxypropyl]-1-[(3-methoxyphenyl)methyl]-1,3,8-triazaspiro[4.5]decan-2-one Chemical compound C[C@H](CN1CCC2(CC1)CN(C(=O)N2CC3=CC(=CC=C3)OC)C4=CC=C(C=C4)Br)O BYHQTRFJOGIQAO-GOSISDBHSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- QTONSPKDOKVNBJ-UHFFFAOYSA-N acetic acid;n'-(2-aminoethyl)ethane-1,2-diamine Chemical class CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.NCCNCCN QTONSPKDOKVNBJ-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- SNXYIOIMZXSIDC-UHFFFAOYSA-A hexadecasodium;phosphonato phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])([O-])=O SNXYIOIMZXSIDC-UHFFFAOYSA-A 0.000 description 1
- 238000009897 hydrogen peroxide bleaching Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- -1 most often 2-6% Chemical compound 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000009919 sequestration Effects 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 230000007704 transition 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
- Dental Preparations (AREA)
- Treatment Of Fiber Materials (AREA)
- Noodles (AREA)
- Seasonings (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8704844A FR2613388B1 (fr) | 1987-04-02 | 1987-04-02 | Procede de blanchiment de pates |
| FR8704844 | 1987-04-02 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI881544A0 FI881544A0 (fi) | 1988-03-31 |
| FI881544L FI881544L (fi) | 1988-10-03 |
| FI93749B FI93749B (fi) | 1995-02-15 |
| FI93749C true FI93749C (fi) | 1995-05-26 |
Family
ID=9349862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI881544A FI93749C (fi) | 1987-04-02 | 1988-03-31 | Menetelmä mekaanisen massan valmistamiseksi |
Country Status (11)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2647641B1 (fr) * | 1989-06-05 | 1992-01-17 | Atochem | Procede de fabrication de pulpes vegetales blanchies |
| SE467006B (sv) | 1989-06-06 | 1992-05-11 | Eka Nobel Ab | Blekning av kemisk massa med peroxid varvid massan foerst behandlas med en komplexbildare |
| DK0402335T4 (da) * | 1989-06-06 | 2001-06-25 | Eka Chemicals Ab | Fremgangsmåde til blegning af lignocelluloseholdigpulp |
| FR2659363B1 (fr) * | 1990-03-07 | 1996-04-19 | Atochem | Procede de preparation de pates a haut rendement blanchies. |
| SE9001481L (sv) * | 1990-04-23 | 1991-10-24 | Eka Nobel Ab | Reduktion av halogenorganiska foereningar i blekeriavlopp |
| SE466061B (sv) * | 1990-04-23 | 1991-12-09 | Eka Nobel Ab | Blekning av kemisk massa genom behandling med foerst ett komplexbildande aemne och sedan ett peroxidinnehaallande aemne |
| FR2661431B1 (fr) * | 1990-04-30 | 1992-07-17 | Atochem | Procede de blanchiment au peroxyde de l'hydrogene de pates a papier a haut rendement. |
| FR2661430B1 (fr) * | 1990-04-30 | 1992-07-17 | Atochem | Procede de blanchiment au peroxyde d'hydrogene de pates a papier a haut rendement. |
| SE468355B (sv) * | 1991-04-30 | 1992-12-21 | Eka Nobel Ab | Blekning av kemisk massa genom behandling med komplexbildare och ozon |
| ZA955290B (en) * | 1994-07-11 | 1996-12-27 | Ingersoll Rand Co | Peroxide bleaching process for cellulosic and lignocellulosic material |
| JP4580343B2 (ja) * | 2003-10-02 | 2010-11-10 | アンドリッツ インコーポレーテッド | リファイナーブローライン処理を伴うアルカリ過酸化物を用いた多段階メカニカルパルプ化方法 |
| US8298373B2 (en) | 2008-02-07 | 2012-10-30 | University Of New Brunswick | Combined process of peroxide bleaching of wood pulps and addition of optical brightening agents |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL202075A (enrdf_load_stackoverflow) * | 1954-11-19 | Fmc Corp | ||
| US3251731A (en) * | 1963-02-11 | 1966-05-17 | Andrew J Gard | Bleaching of wood pulp with a sequestering agent and hydrogen peroxide |
| JPS5344563A (en) * | 1976-10-05 | 1978-04-21 | Ouchi Shinkou Kagaku Kougiyou | Preparation of benzothiazolylsulfenamide |
| FI61215B (fi) * | 1976-11-23 | 1982-02-26 | Defibrator Ab | Saett och anordning att kontinuerligt framstaella lignocellulosahaltiga fibermaterial |
-
1987
- 1987-04-02 FR FR8704844A patent/FR2613388B1/fr not_active Expired - Lifetime
-
1988
- 1988-03-29 AT AT88420102T patent/ATE84581T1/de active
- 1988-03-29 NO NO881404A patent/NO173886C/no unknown
- 1988-03-29 DE DE198888420102T patent/DE285530T1/de active Pending
- 1988-03-29 ES ES198888420102T patent/ES2004846T3/es not_active Expired - Lifetime
- 1988-03-29 EP EP88420102A patent/EP0285530B1/fr not_active Expired - Lifetime
- 1988-03-29 DE DE8888420102T patent/DE3877403T2/de not_active Expired - Fee Related
- 1988-03-31 CA CA000563118A patent/CA1310797C/fr not_active Expired - Lifetime
- 1988-03-31 AU AU14067/88A patent/AU606930B2/en not_active Ceased
- 1988-03-31 FI FI881544A patent/FI93749C/fi not_active IP Right Cessation
- 1988-04-02 JP JP63082116A patent/JPS63256786A/ja active Granted
- 1988-04-06 NZ NZ224144A patent/NZ224144A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO173886C (no) | 1994-02-16 |
| JPH0156197B2 (enrdf_load_stackoverflow) | 1989-11-29 |
| FI881544A0 (fi) | 1988-03-31 |
| JPS63256786A (ja) | 1988-10-24 |
| FR2613388B1 (fr) | 1990-05-04 |
| ATE84581T1 (de) | 1993-01-15 |
| ES2004846T3 (es) | 1993-06-16 |
| AU606930B2 (en) | 1991-02-21 |
| FI881544L (fi) | 1988-10-03 |
| FI93749B (fi) | 1995-02-15 |
| FR2613388A1 (fr) | 1988-10-07 |
| DE285530T1 (de) | 1989-03-30 |
| EP0285530B1 (fr) | 1993-01-13 |
| DE3877403D1 (de) | 1993-02-25 |
| NO173886B (no) | 1993-11-08 |
| NO881404L (no) | 1988-10-03 |
| DE3877403T2 (de) | 1993-05-19 |
| ES2004846A4 (es) | 1989-02-16 |
| CA1310797C (fr) | 1992-12-01 |
| AU1406788A (en) | 1988-10-06 |
| NO881404D0 (no) | 1988-03-29 |
| NZ224144A (en) | 1989-07-27 |
| EP0285530A1 (fr) | 1988-10-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI93749C (fi) | Menetelmä mekaanisen massan valmistamiseksi | |
| RU2071519C1 (ru) | Способ делигнификации и отбеливания целлюлозы | |
| AU2021228375A1 (en) | Sulfuric acid composition and uses thereof | |
| CA2251664A1 (en) | Method for bleaching of lignocellulosic fibers | |
| JPS6112994A (ja) | 過酸化水素による機械パルプの漂白法 | |
| FI76134C (fi) | Foerfarande foer behandling av kemiska pappersmassor. | |
| FI86443B (fi) | Foerfarande foer blekning av lignocellulosamassor. | |
| SI9300362A (en) | Process for bleaching of chemical paper pulp | |
| RU2189412C2 (ru) | Способ отбеливания бумажной массы | |
| FI99153C (fi) | Menetelmä suursaantoisten paperimassojen vetyperoksidivalkaisuun | |
| FI99154C (fi) | Menetelmä suursaantoisten paperimassojen vetyperoksidivalkaisuun | |
| US5143581A (en) | Method of peroxide bleaching of pulp pretreated with a sequestering agent then with a sulphite and reducing agent | |
| FI73018B (fi) | Foerfarande foer delignifierande blekning av cellulosamassa. | |
| EP0464110B1 (en) | Bleaching process for the production of high bright pulps | |
| JP2008088606A (ja) | 漂白パルプの製造方法 | |
| RU2747664C2 (ru) | Способ отбеливания бумажной массы | |
| USH1690H (en) | Process for bleaching kraft pulp | |
| CA2247532A1 (en) | Process for bleaching a paper pulp with ozone and chlorine dioxide | |
| JPS583074B2 (ja) | パルプノ カサンカブツヒヨウハクホウ | |
| JPH05195467A (ja) | ケミカルペーパーパルプの脱リグニン化の選択性を改良するための方法 | |
| FI117392B (fi) | Monivaiheinen valkaisumenetelmä kemiallisen selluloosamassan valkaisemiseksi | |
| WO2001075220A1 (en) | A method for controlling the delignification and bleaching of a pulp suspension | |
| JPH0742669B2 (ja) | セルロ−ス性物質の脱リグニン法 | |
| NO140605B (no) | Fremgangsmaate ved fjernelse av lignin fra lignocelluloseholdige materialer | |
| JPH06507683A (ja) | ケミカルペーパーパルプの漂白および脱リグニンのための方法およびクラフトパルプおよびａｓａｍパルプの漂白および脱リグニンのための本方法の使用 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HC | Name/ company changed in application |
Owner name: ELF ATOCHEM S.A. |
|
| BB | Publication of examined application | ||
| MM | Patent lapsed |
Owner name: ELF ATOCHEM S.A. |