FI62361C - Blekning av cellulosa med en avsevaert reducerad klormaengd - Google Patents
Blekning av cellulosa med en avsevaert reducerad klormaengd Download PDFInfo
- Publication number
- FI62361C FI62361C FI1326/74A FI132674A FI62361C FI 62361 C FI62361 C FI 62361C FI 1326/74 A FI1326/74 A FI 1326/74A FI 132674 A FI132674 A FI 132674A FI 62361 C FI62361 C FI 62361C
- Authority
- FI
- Finland
- Prior art keywords
- bleaching
- pulp
- consistency
- chlorination
- peroxide
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 claims description 41
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 27
- 238000005660 chlorination reaction Methods 0.000 claims description 19
- 150000002978 peroxides Chemical class 0.000 claims description 18
- 239000000460 chlorine Substances 0.000 claims description 15
- 229910052801 chlorine Inorganic materials 0.000 claims description 15
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 14
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229920005610 lignin Polymers 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 3
- 241000294754 Macroptilium atropurpureum Species 0.000 claims 1
- 235000019641 whiteness Nutrition 0.000 description 20
- 229910019093 NaOCl Inorganic materials 0.000 description 12
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000007844 bleaching agent Substances 0.000 description 4
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
- 238000004076 pulp bleaching Methods 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 229920002488 Hemicellulose Polymers 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 239000008139 complexing agent Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- LVGQIQHJMRUCRM-UHFFFAOYSA-L calcium bisulfite Chemical compound [Ca+2].OS([O-])=O.OS([O-])=O LVGQIQHJMRUCRM-UHFFFAOYSA-L 0.000 description 2
- 235000010260 calcium hydrogen sulphite Nutrition 0.000 description 2
- 239000004295 calcium sulphite Substances 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion 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
- 239000005416 organic matter Substances 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 229920002955 Art silk Polymers 0.000 description 1
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- UXJQXYNRUGBTPZ-UHFFFAOYSA-N Cl[O-].O=[Cl+]=O Chemical compound Cl[O-].O=[Cl+]=O UXJQXYNRUGBTPZ-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 241001058626 Elleanthus conifer Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 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 1
- -1 R 18 Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 210000001185 bone marrow Anatomy 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- MAYPHUUCLRDEAZ-UHFFFAOYSA-N chlorine peroxide Inorganic materials ClOOCl MAYPHUUCLRDEAZ-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 238000009896 oxidative bleaching Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229960003330 pentetic acid Drugs 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 238000004383 yellowing Methods 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
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2327900A DE2327900C3 (de) | 1973-06-01 | 1973-06-01 | Bleichaufschluß von Zellstoff mit erheblich reduziertem Chloreinsatz |
| DE2327900 | 1973-06-01 | ||
| ZA757622A ZA757622B (en) | 1973-06-01 | 1975-12-04 | Bleaching process for wood pulp with the use of considerably reduced amounts of chlorine |
| ZA7507622 | 1975-12-04 | ||
| CH1587875A CH618487A5 (en) | 1973-06-01 | 1975-12-05 | Multiple-stage process for the low-chlorine complete bleaching of wood pulp |
| CH1587875 | 1975-12-05 | ||
| FR7628206 | 1976-09-20 | ||
| FR7628206A FR2364999A1 (fr) | 1973-06-01 | 1976-09-20 | Procede de desagregation et de blanchiment de pates cellulosiques avec utilisation de chlore fortement reduite |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI132674A7 FI132674A7 (enrdf_load_stackoverflow) | 1974-12-02 |
| FI62361B FI62361B (fi) | 1982-08-31 |
| FI62361C true FI62361C (fi) | 1982-12-10 |
Family
ID=27429620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI1326/74A FI62361C (fi) | 1973-06-01 | 1974-04-30 | Blekning av cellulosa med en avsevaert reducerad klormaengd |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT334732B (enrdf_load_stackoverflow) |
| BE (1) | BE836358A (enrdf_load_stackoverflow) |
| CA (1) | CA1055656A (enrdf_load_stackoverflow) |
| CH (1) | CH618487A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2327900C3 (enrdf_load_stackoverflow) |
| FI (1) | FI62361C (enrdf_load_stackoverflow) |
| FR (1) | FR2364999A1 (enrdf_load_stackoverflow) |
| SE (1) | SE415674B (enrdf_load_stackoverflow) |
| ZA (1) | ZA757622B (enrdf_load_stackoverflow) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2327900C3 (de) * | 1973-06-01 | 1985-02-07 | Degussa Ag, 6000 Frankfurt | Bleichaufschluß von Zellstoff mit erheblich reduziertem Chloreinsatz |
| DE2538673C2 (de) * | 1975-08-30 | 1986-01-16 | Degussa Ag, 6000 Frankfurt | Bleichaufschluß von Zellstoff mit erheblich reduziertem Chloreinsatz |
| BE869153A (fr) * | 1977-07-29 | 1979-01-22 | Ugine Kuhlmann | Procede de fabrication de pates papetieres chimiques |
| DE2841013C2 (de) * | 1978-09-21 | 1984-06-07 | Degussa Ag, 6000 Frankfurt | Verfahren zur Vollbleiche von Zellstoff |
| RU2129179C1 (ru) * | 1998-03-17 | 1999-04-20 | Сыктывкарский лесной институт Санкт-Петербургской лесотехнической академии | Способ отбелки сульфатной целлюлозы |
| RU2128261C1 (ru) * | 1998-05-26 | 1999-03-27 | Сыктывкарский лесной институт Санкт-Петербургской лесотехнической академии | Способ отбелки целлюлозы |
| RU2164572C1 (ru) * | 2000-03-14 | 2001-03-27 | Сыктывкарский лесной институт Санкт-Петербургской лесотехнической академии | Способ отбелки сульфатной целлюлозы |
| US9631316B2 (en) * | 2012-12-31 | 2017-04-25 | Api Intellectual Property Holdings, Llc | Biomass fractionation processes employing sulfur dioxide |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2527563A (en) * | 1947-08-13 | 1950-10-31 | Buffalo Electro Chem Co | Method of bleaching semichemical pulps |
| FR1118216A (fr) * | 1954-02-02 | 1956-06-01 | I Ab | Procédé de blanchiment de demi-cellulose |
| DE2327900C3 (de) * | 1973-06-01 | 1985-02-07 | Degussa Ag, 6000 Frankfurt | Bleichaufschluß von Zellstoff mit erheblich reduziertem Chloreinsatz |
-
1973
- 1973-06-01 DE DE2327900A patent/DE2327900C3/de not_active Expired
-
1974
- 1974-04-30 FI FI1326/74A patent/FI62361C/fi active
- 1974-05-31 CA CA201,323A patent/CA1055656A/en not_active Expired
- 1974-05-31 SE SE7407273A patent/SE415674B/xx not_active IP Right Cessation
- 1974-05-31 AT AT452974A patent/AT334732B/de not_active IP Right Cessation
-
1975
- 1975-12-04 ZA ZA757622A patent/ZA757622B/xx unknown
- 1975-12-05 CH CH1587875A patent/CH618487A5/de not_active IP Right Cessation
- 1975-12-05 BE BE6045281A patent/BE836358A/xx not_active IP Right Cessation
-
1976
- 1976-09-20 FR FR7628206A patent/FR2364999A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2327900A1 (de) | 1975-01-02 |
| FI62361B (fi) | 1982-08-31 |
| SE415674B (sv) | 1980-10-20 |
| CH618487A5 (en) | 1980-07-31 |
| DE2327900C3 (de) | 1985-02-07 |
| CA1055656A (en) | 1979-06-05 |
| DE2327900B2 (de) | 1978-08-03 |
| FI132674A7 (enrdf_load_stackoverflow) | 1974-12-02 |
| FR2364999A1 (fr) | 1978-04-14 |
| ATA452974A (de) | 1976-05-15 |
| BE836358A (fr) | 1976-04-01 |
| AT334732B (de) | 1976-02-10 |
| ZA757622B (en) | 1976-11-24 |
| FR2364999B1 (enrdf_load_stackoverflow) | 1979-01-12 |
| SE7407273L (enrdf_load_stackoverflow) | 1974-12-02 |
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