JPH0116958B2 - - Google Patents
Info
- Publication number
- JPH0116958B2 JPH0116958B2 JP61259562A JP25956286A JPH0116958B2 JP H0116958 B2 JPH0116958 B2 JP H0116958B2 JP 61259562 A JP61259562 A JP 61259562A JP 25956286 A JP25956286 A JP 25956286A JP H0116958 B2 JPH0116958 B2 JP H0116958B2
- Authority
- JP
- Japan
- Prior art keywords
- pulp
- chlorine
- bleaching
- chlorine dioxide
- alkaline extraction
- 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
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims abstract description 64
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 51
- 238000000605 extraction Methods 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 47
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000004061 bleaching Methods 0.000 claims abstract description 33
- 239000004155 Chlorine dioxide Substances 0.000 claims abstract description 32
- 235000019398 chlorine dioxide Nutrition 0.000 claims abstract description 32
- 239000000460 chlorine Substances 0.000 claims abstract description 30
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000001301 oxygen Substances 0.000 claims abstract description 17
- 229910001902 chlorine oxide Inorganic materials 0.000 claims abstract description 6
- 229920001131 Pulp (paper) Polymers 0.000 claims description 22
- 229910052801 chlorine Inorganic materials 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000011122 softwood Substances 0.000 claims description 3
- 238000004076 pulp bleaching Methods 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims 3
- 239000000126 substance Substances 0.000 abstract 1
- 239000007800 oxidant agent Substances 0.000 description 7
- 239000000123 paper Substances 0.000 description 4
- 239000007844 bleaching agent Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- WBZRSFDJNJXREC-UHFFFAOYSA-N Cl[Cl]Cl Chemical compound Cl[Cl]Cl WBZRSFDJNJXREC-UHFFFAOYSA-N 0.000 description 1
- 229910019093 NaOCl 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
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000012978 lignocellulosic material Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000002351 wastewater 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Detergent Compositions (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8516332A FR2589494B1 (fr) | 1985-10-30 | 1985-10-30 | Procede de blanchiment de pates papetieres chimiques |
| FR8516332 | 1985-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62141188A JPS62141188A (ja) | 1987-06-24 |
| JPH0116958B2 true JPH0116958B2 (de) | 1989-03-28 |
Family
ID=9324477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61259562A Granted JPS62141188A (ja) | 1985-10-30 | 1986-10-30 | 製紙用化学パルプの漂白方法 |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0222674B1 (de) |
| JP (1) | JPS62141188A (de) |
| AT (1) | ATE48291T1 (de) |
| AU (1) | AU603556B2 (de) |
| DE (2) | DE222674T1 (de) |
| ES (1) | ES2000019B3 (de) |
| FI (1) | FI85294B (de) |
| FR (1) | FR2589494B1 (de) |
| NO (1) | NO864319L (de) |
| PT (1) | PT83649B (de) |
| ZA (1) | ZA868275B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4031597A1 (de) * | 1990-10-05 | 1992-04-09 | Sueddeutsche Kalkstickstoff | Verfahren zur chlorarmen bleiche und delignifizierung von zellstoff |
| US6569284B1 (en) * | 1996-09-24 | 2003-05-27 | International Paper Company | Elemental-chlorine-free bleaching process having an initial Eo or Eop stage |
| FR3062138B1 (fr) * | 2017-01-23 | 2019-06-07 | Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses | Procede de blanchiment d'une pate a papier |
-
1985
- 1985-10-30 FR FR8516332A patent/FR2589494B1/fr not_active Expired
-
1986
- 1986-10-28 DE DE198686420266T patent/DE222674T1/de active Pending
- 1986-10-28 EP EP86420266A patent/EP0222674B1/de not_active Expired
- 1986-10-28 ES ES86420266T patent/ES2000019B3/es not_active Expired - Lifetime
- 1986-10-28 DE DE8686420266T patent/DE3667184D1/de not_active Revoked
- 1986-10-28 AT AT86420266T patent/ATE48291T1/de not_active IP Right Cessation
- 1986-10-29 AU AU64492/86A patent/AU603556B2/en not_active Ceased
- 1986-10-29 PT PT83649A patent/PT83649B/pt not_active IP Right Cessation
- 1986-10-29 NO NO864319A patent/NO864319L/no unknown
- 1986-10-29 FI FI864411A patent/FI85294B/fi not_active Application Discontinuation
- 1986-10-30 ZA ZA868275A patent/ZA868275B/xx unknown
- 1986-10-30 JP JP61259562A patent/JPS62141188A/ja active Granted
Non-Patent Citations (3)
| Title |
|---|
| 1982INTERNATIONAL PULP BLEACHING CONFERENCE=1982 * |
| 70TH ANNUAL MEETING TECHNICAL SECTION CANADIAN PULP AND PAPER ASSOCIATION Ыcý¡c=1984 * |
| TAPPI JOURNAL=1984 * |
Also Published As
| Publication number | Publication date |
|---|---|
| AU6449286A (en) | 1987-05-07 |
| NO864319L (no) | 1987-05-04 |
| JPS62141188A (ja) | 1987-06-24 |
| PT83649A (fr) | 1986-11-01 |
| DE3667184D1 (de) | 1990-01-04 |
| FR2589494B1 (fr) | 1988-07-29 |
| FI864411A0 (fi) | 1986-10-29 |
| EP0222674A1 (de) | 1987-05-20 |
| FI864411A (fi) | 1987-05-01 |
| EP0222674B1 (de) | 1989-11-29 |
| FR2589494A1 (fr) | 1987-05-07 |
| DE222674T1 (de) | 1987-10-15 |
| AU603556B2 (en) | 1990-11-22 |
| ES2000019A4 (es) | 1987-09-16 |
| FI85294B (fi) | 1991-12-13 |
| NO864319D0 (no) | 1986-10-29 |
| PT83649B (pt) | 1989-05-31 |
| ES2000019B3 (es) | 1990-03-16 |
| ZA868275B (en) | 1987-06-24 |
| ATE48291T1 (de) | 1989-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5310458A (en) | Process for bleaching lignocellulose-containing pulps | |
| CA2067296C (en) | Process for bleaching of lignocellulose-containing pulp | |
| EP0512590B1 (de) | Verfahren zum Bleichen von Lignocellulose enthaltendem Material | |
| NO143298B (no) | Friserapparat. | |
| EP0519061B1 (de) | Stufenweise alkalizugabe bei der hochkonsistenz-sauerstoffdelignifizierung | |
| US4274912A (en) | Process for bleaching preoxidized paper pulp | |
| US5449436A (en) | Bleaching of deinked paper/wood pulp | |
| RU2439232C2 (ru) | Способ отбеливания бумажной целлюлозной массы путем конечной обработки озоном при высокой температуре | |
| EP0464110B1 (de) | Bleichverfahren zur herstellung von hochweissem zellstoff | |
| US10006168B2 (en) | Method for treating chemical pulps by treatment with ozone in the presence of magnesium ions | |
| JPH0116958B2 (de) | ||
| CA1080406A (en) | Bleach hydrolysis of pulp with substantially reduced use of chlorine | |
| EP0530881A1 (de) | Verwendung von einer Waschpresse unter Zugabe von Alkali zum Zellstoff | |
| JPS6214678B2 (de) | ||
| US8980051B2 (en) | Sulfonation of pulp produced by alkali pulping process | |
| US20030168190A1 (en) | Method for controlling the delignfication and bleaching of a pulp suspension | |
| JP2000290887A (ja) | リグノセルロースの漂白方法 | |
| US6325892B1 (en) | Method of delignifying sulphite pulp with oxygen and borohydride | |
| CA1288906C (en) | Pulp souring process enhancing conservation of specific bleaching agent residuals | |
| JPS61146894A (ja) | アルカリ性又は中性条件下で製造したパルプの２工程式脱リグニン化法 | |
| US5645688A (en) | Bleaching compositions and processes employing sulfamates and polyaminocarboxylic acids | |
| EP0931874A1 (de) | Verfahren zum Bleichen von Pulpe umfassend eine Endstufe in welcher die Pulpe mit einem Salz von Peroxymonoschwefelsäure behandelt wird | |
| JPH01168985A (ja) | リグノセルロース物質の漂白方法 | |
| US20070051483A1 (en) | Process for Bleaching Kraft Pulp | |
| WO1989003451A1 (en) | Method at bleaching cellulose pulp |