JPS6358958B2 - - Google Patents
Info
- Publication number
- JPS6358958B2 JPS6358958B2 JP55097147A JP9714780A JPS6358958B2 JP S6358958 B2 JPS6358958 B2 JP S6358958B2 JP 55097147 A JP55097147 A JP 55097147A JP 9714780 A JP9714780 A JP 9714780A JP S6358958 B2 JPS6358958 B2 JP S6358958B2
- Authority
- JP
- Japan
- Prior art keywords
- bleaching
- refiner
- hydrogen peroxide
- pulp
- alkali
- 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
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 72
- 238000004061 bleaching Methods 0.000 claims description 66
- 239000003513 alkali Substances 0.000 claims description 34
- 238000007670 refining Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 22
- 238000009897 hydrogen peroxide bleaching Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- 239000002023 wood Substances 0.000 claims description 7
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
- 239000004115 Sodium Silicate Substances 0.000 description 7
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 7
- 229910052911 sodium silicate Inorganic materials 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 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 5
- 238000004040 coloring Methods 0.000 description 5
- 229920001131 Pulp (paper) Polymers 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 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 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 239000002738 chelating agent Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- -1 alkali metal salt Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004076 pulp bleaching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Landscapes
- Paper (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9714780A JPS5725492A (en) | 1980-07-16 | 1980-07-16 | Hydrogen peroxide refiner bleaching of high yield pulp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9714780A JPS5725492A (en) | 1980-07-16 | 1980-07-16 | Hydrogen peroxide refiner bleaching of high yield pulp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5725492A JPS5725492A (en) | 1982-02-10 |
| JPS6358958B2 true JPS6358958B2 (fr) | 1988-11-17 |
Family
ID=14184454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9714780A Granted JPS5725492A (en) | 1980-07-16 | 1980-07-16 | Hydrogen peroxide refiner bleaching of high yield pulp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5725492A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2661430B1 (fr) * | 1990-04-30 | 1992-07-17 | Atochem | Procede de blanchiment au peroxyde d'hydrogene de pates a papier a haut rendement. |
| FR2661431B1 (fr) * | 1990-04-30 | 1992-07-17 | Atochem | Procede de blanchiment au peroxyde de l'hydrogene de pates a papier a haut rendement. |
| CA2533535C (fr) * | 2003-10-02 | 2012-01-03 | Andritz Inc. | Depulpage mecanique multi-phase au peroxyde alcalin avec traitement par installation de decharge a raffineur |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5270102A (en) * | 1975-12-05 | 1977-06-10 | Mitsubishi Gas Chemical Co | Process for bleaching pulp with peroxides |
| JPS5365401A (en) * | 1976-11-23 | 1978-06-10 | Defibrator Ab | Method and apparatus for continuously producing pulp from fibrous lignocellulose material |
| JPS53130308A (en) * | 1977-04-18 | 1978-11-14 | Mo Och Domsjoe Ab | Bleaching of high yield pulp by peroxide |
-
1980
- 1980-07-16 JP JP9714780A patent/JPS5725492A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5270102A (en) * | 1975-12-05 | 1977-06-10 | Mitsubishi Gas Chemical Co | Process for bleaching pulp with peroxides |
| JPS5365401A (en) * | 1976-11-23 | 1978-06-10 | Defibrator Ab | Method and apparatus for continuously producing pulp from fibrous lignocellulose material |
| JPS53130308A (en) * | 1977-04-18 | 1978-11-14 | Mo Och Domsjoe Ab | Bleaching of high yield pulp by peroxide |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5725492A (en) | 1982-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4915785A (en) | Single stage process for bleaching of pulp with an aqueous hydrogen peroxide bleaching composition containing magnesium sulphate and sodium silicate | |
| US4675076A (en) | Method for brightening pulp | |
| US5449436A (en) | Bleaching of deinked paper/wood pulp | |
| JP5275472B2 (ja) | 製紙用パルプの製造方法 | |
| JPH0657671A (ja) | 製紙用パルプの漂白方法 | |
| US3100732A (en) | Process of bleaching wood pulp by combined treatment with peroxide and an alkali metal borohydride | |
| JP2588495B2 (ja) | 製紙用高収率高漂白度パルプの製造方法 | |
| JPH0726351B2 (ja) | 過酸化水素を用いる高収率紙用パルプの漂白方法 | |
| FI99153C (fi) | Menetelmä suursaantoisten paperimassojen vetyperoksidivalkaisuun | |
| FI76135C (fi) | Foerfarande foer blekning av pappersmassor med vaeteperoxid. | |
| JPS61275491A (ja) | パルプの漂白方法 | |
| JPS6358958B2 (fr) | ||
| JPH0660474B2 (ja) | 漂白高収率パルプの製造方法 | |
| US3645840A (en) | Method for peroxide bleaching of pulp | |
| US5338402A (en) | Process for preparing a bleached chemithermomechanical pulp | |
| FI93746C (fi) | Menetelmä valkaistun kemitermomekaanisen massan valmistamiseksi | |
| JP3325324B2 (ja) | 粗セルロースの脱リグニン化方法 | |
| JPH0250236B2 (fr) | ||
| JPS6358956B2 (fr) | ||
| JPH0215669B2 (fr) | ||
| JPS6358957B2 (fr) | ||
| JPH09504841A (ja) | 過酸化水素を用いた高収率紙パルプの漂白方法 | |
| JPS62191589A (ja) | メカニカルパルプの漂白方法 | |
| JP2827235B2 (ja) | 高収率パルプの漂白法 | |
| SU1193193A1 (ru) | Способ обработки целлюлозы |