NO134496B - - Google Patents
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- Publication number
- NO134496B NO134496B NO233973A NO233973A NO134496B NO 134496 B NO134496 B NO 134496B NO 233973 A NO233973 A NO 233973A NO 233973 A NO233973 A NO 233973A NO 134496 B NO134496 B NO 134496B
- Authority
- NO
- Norway
- Prior art keywords
- impregnating agent
- impregnation
- charring
- hardening
- pressure
- Prior art date
Links
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 claims description 54
- 239000003795 chemical substances by application Substances 0.000 claims description 33
- 238000005470 impregnation Methods 0.000 claims description 33
- 238000011282 treatment Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 238000003763 carbonization Methods 0.000 claims description 3
- 239000007849 furan resin Substances 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 150000001722 carbon compounds Chemical class 0.000 claims description 2
- 239000003575 carbonaceous material Substances 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 238000004381 surface treatment Methods 0.000 claims 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 19
- 230000035699 permeability Effects 0.000 description 18
- 239000011347 resin Substances 0.000 description 15
- 229920005989 resin Polymers 0.000 description 15
- 239000007789 gas Substances 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- MQLRCIFIYCHDKV-UHFFFAOYSA-N [N].C1=CC=CC=C1 Chemical compound [N].C1=CC=CC=C1 MQLRCIFIYCHDKV-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013100 final test Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910001120 nichrome Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 150000002240 furans Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
- 239000000080 wetting agent 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)
- Ceramic Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE777672A SE362910B (fr) | 1972-06-13 | 1972-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO134496B true NO134496B (fr) | 1976-07-12 |
| NO134496C NO134496C (fr) | 1976-10-20 |
Family
ID=20272273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO233973A NO134496C (fr) | 1972-06-13 | 1973-06-04 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5335602B2 (fr) |
| CA (1) | CA1007008A (fr) |
| FI (1) | FI60042C (fr) |
| NO (1) | NO134496C (fr) |
| SE (1) | SE362910B (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0214982A1 (fr) * | 1984-05-15 | 1987-03-25 | FLINCK, Karl-Evert | Procede de blanchiment de pulpe fibreuse pour la production de papier et carton |
-
1972
- 1972-06-13 SE SE777672A patent/SE362910B/xx unknown
-
1973
- 1973-06-04 NO NO233973A patent/NO134496C/no unknown
- 1973-06-06 FI FI183473A patent/FI60042C/fi active
- 1973-06-13 JP JP6599173A patent/JPS5335602B2/ja not_active Expired
- 1973-06-13 CA CA173,972A patent/CA1007008A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1007008A (en) | 1977-03-22 |
| JPS5335602B2 (fr) | 1978-09-28 |
| JPS4955902A (fr) | 1974-05-30 |
| FI60042C (fi) | 1981-11-10 |
| DE2329890B2 (de) | 1975-11-27 |
| FI60042B (fi) | 1981-07-31 |
| NO134496C (fr) | 1976-10-20 |
| DE2329890A1 (de) | 1974-01-03 |
| SE362910B (fr) | 1973-12-27 |
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