SE7403451L - - Google Patents
Info
- Publication number
- SE7403451L SE7403451L SE7403451A SE7403451A SE7403451L SE 7403451 L SE7403451 L SE 7403451L SE 7403451 A SE7403451 A SE 7403451A SE 7403451 A SE7403451 A SE 7403451A SE 7403451 L SE7403451 L SE 7403451L
- Authority
- SE
- Sweden
- Prior art keywords
- delignification
- acid
- added
- lignocellulosic material
- manganese
- Prior art date
Links
- 238000000034 method Methods 0.000 abstract 5
- 239000012978 lignocellulosic material Substances 0.000 abstract 4
- 150000002697 manganese compounds Chemical class 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 150000007513 acids Chemical class 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 2
- 239000008139 complexing agent Substances 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- 239000002023 wood Substances 0.000 abstract 2
- 241000609240 Ambelania acida Species 0.000 abstract 1
- 240000000491 Corchorus aestuans Species 0.000 abstract 1
- 235000011777 Corchorus aestuans Nutrition 0.000 abstract 1
- 235000010862 Corchorus capsularis Nutrition 0.000 abstract 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 abstract 1
- 239000003929 acidic solution Substances 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 150000001412 amines Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000010905 bagasse Substances 0.000 abstract 1
- 150000007514 bases Chemical class 0.000 abstract 1
- 230000002939 deleterious effect Effects 0.000 abstract 1
- 229910001882 dioxygen Inorganic materials 0.000 abstract 1
- 239000000428 dust Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 150000002681 magnesium compounds Chemical class 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 239000011572 manganese Substances 0.000 abstract 1
- 150000002736 metal compounds Chemical class 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 235000005985 organic acids Nutrition 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 235000021317 phosphate Nutrition 0.000 abstract 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract 1
- 238000002203 pretreatment Methods 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- -1 sodium hydroxide Chemical class 0.000 abstract 1
- 239000010902 straw Substances 0.000 abstract 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 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
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compounds Of Unknown Constitution (AREA)
- Processing Of Solid Wastes (AREA)
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7403451A SE380298B (sv) | 1974-03-14 | 1974-03-14 | Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material |
| IT67508/75A IT1030236B (it) | 1974-03-14 | 1975-02-27 | Procedimento per la delignificazione di materiali cellulosici |
| ZA00751266A ZA751266B (en) | 1974-03-14 | 1975-02-28 | A method for the delignification of lignocellulosic material |
| CH270175A CH606601A5 (is") | 1974-03-14 | 1975-03-04 | |
| FI750635A FI750635A7 (is") | 1974-03-14 | 1975-03-05 | |
| DE2509746A DE2509746C3 (de) | 1974-03-14 | 1975-03-06 | Verfahren zur Delignifizierung von lignozellulosehaltigem Material |
| JP50027940A JPS522002B2 (is") | 1974-03-14 | 1975-03-06 | |
| GB9446/75A GB1500011A (en) | 1974-03-14 | 1975-03-06 | Method for the dilignification of lignocellulosic materia |
| BR1339/75A BR7501339A (pt) | 1974-03-14 | 1975-03-06 | Processo para a deslignificacao de material lignocelulosico |
| NO750744A NO140605C (no) | 1974-03-14 | 1975-03-06 | Fremgangsmaate ved fjernelse av lignin fra lignocelluloseholdige materialer |
| AT178875A AT345658B (de) | 1974-03-14 | 1975-03-07 | Verfahren zur delignifizierung von lignozellulosehaltigem material |
| CA221,564A CA1039908A (en) | 1974-03-14 | 1975-03-07 | Process for the delignification of lignocellulosic material |
| FR7507206A FR2264125B1 (is") | 1974-03-14 | 1975-03-07 | |
| US05/754,717 US4087318A (en) | 1974-03-14 | 1976-12-27 | Oxygen-alkali delignification of lignocellulosic material in the presence of a manganese compound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7403451A SE380298B (sv) | 1974-03-14 | 1974-03-14 | Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7403451L true SE7403451L (is") | 1975-09-15 |
| SE380298B SE380298B (sv) | 1975-11-03 |
Family
ID=20320524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7403451A SE380298B (sv) | 1974-03-14 | 1974-03-14 | Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS522002B2 (is") |
| AT (1) | AT345658B (is") |
| BR (1) | BR7501339A (is") |
| CA (1) | CA1039908A (is") |
| CH (1) | CH606601A5 (is") |
| DE (1) | DE2509746C3 (is") |
| FI (1) | FI750635A7 (is") |
| FR (1) | FR2264125B1 (is") |
| GB (1) | GB1500011A (is") |
| IT (1) | IT1030236B (is") |
| NO (1) | NO140605C (is") |
| SE (1) | SE380298B (is") |
| ZA (1) | ZA751266B (is") |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE7601935L (sv) * | 1975-06-30 | 1976-12-31 | Int Paper Co | Sett att bleka lignincellulosamassa |
| DE3674859D1 (de) * | 1985-08-05 | 1990-11-15 | Interox Sa | Verfahren zur delignifizierung von zellulosematerialien. |
| IN167959B (is") * | 1985-08-05 | 1991-01-12 | Interox | |
| FI122654B (fi) * | 1997-12-08 | 2012-05-15 | Ovivo Luxembourg Sarl | Menetelmä paperisellumassan valmistamiseksi |
| US20100159515A1 (en) * | 2008-12-19 | 2010-06-24 | E.I. Du Pont De Nemours And Company | Oxidative pretreatment of biomass to enhance enzymatic saccharification |
-
1974
- 1974-03-14 SE SE7403451A patent/SE380298B/xx not_active IP Right Cessation
-
1975
- 1975-02-27 IT IT67508/75A patent/IT1030236B/it active
- 1975-02-28 ZA ZA00751266A patent/ZA751266B/xx unknown
- 1975-03-04 CH CH270175A patent/CH606601A5/xx not_active IP Right Cessation
- 1975-03-05 FI FI750635A patent/FI750635A7/fi not_active Application Discontinuation
- 1975-03-06 NO NO750744A patent/NO140605C/no unknown
- 1975-03-06 BR BR1339/75A patent/BR7501339A/pt unknown
- 1975-03-06 JP JP50027940A patent/JPS522002B2/ja not_active Expired
- 1975-03-06 GB GB9446/75A patent/GB1500011A/en not_active Expired
- 1975-03-06 DE DE2509746A patent/DE2509746C3/de not_active Expired
- 1975-03-07 AT AT178875A patent/AT345658B/de not_active IP Right Cessation
- 1975-03-07 CA CA221,564A patent/CA1039908A/en not_active Expired
- 1975-03-07 FR FR7507206A patent/FR2264125B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1039908A (en) | 1978-10-10 |
| FI750635A7 (is") | 1975-09-15 |
| ZA751266B (en) | 1976-01-28 |
| NO140605C (no) | 1979-10-03 |
| NO750744L (is") | 1975-09-16 |
| JPS522002B2 (is") | 1977-01-19 |
| ATA178875A (de) | 1978-01-15 |
| CH606601A5 (is") | 1978-11-15 |
| AT345658B (de) | 1978-09-25 |
| DE2509746B2 (de) | 1977-08-18 |
| GB1500011A (en) | 1978-02-08 |
| DE2509746A1 (de) | 1975-09-25 |
| FR2264125A1 (is") | 1975-10-10 |
| FR2264125B1 (is") | 1977-11-18 |
| IT1030236B (it) | 1979-03-30 |
| BR7501339A (pt) | 1975-12-09 |
| DE2509746C3 (de) | 1978-04-27 |
| NO140605B (no) | 1979-06-25 |
| JPS50121501A (is") | 1975-09-23 |
| SE380298B (sv) | 1975-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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