NO135260B - - Google Patents
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- Publication number
- NO135260B NO135260B NO194/73A NO19473A NO135260B NO 135260 B NO135260 B NO 135260B NO 194/73 A NO194/73 A NO 194/73A NO 19473 A NO19473 A NO 19473A NO 135260 B NO135260 B NO 135260B
- Authority
- NO
- Norway
- Prior art keywords
- digestion
- solution
- oxygen
- boiling
- sodium carbonate
- Prior art date
Links
- 230000029087 digestion Effects 0.000 claims description 68
- 239000000243 solution Substances 0.000 claims description 56
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 54
- 238000009835 boiling Methods 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 41
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 39
- 239000001301 oxygen Substances 0.000 claims description 39
- 229910052760 oxygen Inorganic materials 0.000 claims description 39
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 26
- 238000002485 combustion reaction Methods 0.000 claims description 23
- 239000007864 aqueous solution Substances 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000004090 dissolution Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 description 23
- 238000010411 cooking Methods 0.000 description 21
- 239000002657 fibrous material Substances 0.000 description 19
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 14
- 239000007788 liquid Substances 0.000 description 13
- 238000011084 recovery Methods 0.000 description 11
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 9
- 239000002023 wood Substances 0.000 description 9
- 239000001569 carbon dioxide Substances 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 4
- 229910001948 sodium oxide Inorganic materials 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920005610 lignin Polymers 0.000 description 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 3
- 238000010979 pH adjustment Methods 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L sodium sulphate Substances [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 150000003464 sulfur compounds Chemical class 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000006864 oxidative decomposition reaction Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000218606 Pinus contorta Species 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 240000003021 Tsuga heterophylla Species 0.000 description 1
- 235000008554 Tsuga heterophylla Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 235000014684 lodgepole pine Nutrition 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
- 235000000673 shore pine Nutrition 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 108700012359 toxins Proteins 0.000 description 1
- 239000010875 treated wood 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
- D21C3/263—Multistage processes at least one stage being in presence of oxygen
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47006728A JPS5130601B2 (sv) | 1972-01-17 | 1972-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO135260B true NO135260B (sv) | 1976-11-29 |
| NO135260C NO135260C (sv) | 1977-03-09 |
Family
ID=11646292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO194/73A NO135260C (sv) | 1972-01-17 | 1973-01-16 |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS5130601B2 (sv) |
| AR (1) | AR194979A1 (sv) |
| AT (1) | AT325412B (sv) |
| AU (1) | AU471897B2 (sv) |
| BR (1) | BR7300356D0 (sv) |
| CA (1) | CA981855A (sv) |
| DD (1) | DD102183A5 (sv) |
| FI (1) | FI54943C (sv) |
| FR (1) | FR2175401A5 (sv) |
| GB (1) | GB1392770A (sv) |
| IT (1) | IT978170B (sv) |
| NO (1) | NO135260C (sv) |
| PL (1) | PL85082B1 (sv) |
| SE (1) | SE394299B (sv) |
| YU (1) | YU6273A (sv) |
| ZA (1) | ZA7354B (sv) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5249302A (en) * | 1975-10-16 | 1977-04-20 | Hitachi Shipbuilding Eng Co | Process for alkali pulping |
| IT1209352B (it) * | 1980-09-22 | 1989-07-16 | Nardi Franco | Processo per la produzione di cellulose chimiche e/o paste per carte, nonche'impianto e relativi componenti per l'attuazione del processo indicato |
| US7771565B2 (en) | 2006-02-21 | 2010-08-10 | Packaging Corporation Of America | Method of pre-treating woodchips prior to mechanical pulping |
| WO2011156708A1 (en) | 2010-06-10 | 2011-12-15 | Packaging Corporation Of America | Method of manufacturing pulp for corrugated medium |
-
1972
- 1972-01-17 JP JP47006728A patent/JPS5130601B2/ja not_active Expired
- 1972-12-29 AR AR245948A patent/AR194979A1/es active
- 1972-12-30 PL PL1972160120A patent/PL85082B1/pl unknown
-
1973
- 1973-01-01 GB GB7273A patent/GB1392770A/en not_active Expired
- 1973-01-02 AU AU50645/73A patent/AU471897B2/en not_active Expired
- 1973-01-03 ZA ZA730054A patent/ZA7354B/xx unknown
- 1973-01-10 AT AT18873A patent/AT325412B/de not_active IP Right Cessation
- 1973-01-11 YU YU00062/73A patent/YU6273A/xx unknown
- 1973-01-11 FI FI81/73A patent/FI54943C/fi active
- 1973-01-15 IT IT19226/73A patent/IT978170B/it active
- 1973-01-16 NO NO194/73A patent/NO135260C/no unknown
- 1973-01-16 SE SE7300555A patent/SE394299B/sv unknown
- 1973-01-16 BR BR73356A patent/BR7300356D0/pt unknown
- 1973-01-16 DD DD169155A patent/DD102183A5/xx unknown
- 1973-01-17 CA CA161,447A patent/CA981855A/en not_active Expired
- 1973-01-17 FR FR7301531A patent/FR2175401A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE394299B (sv) | 1977-06-20 |
| DE2302232B2 (de) | 1977-02-17 |
| FI54943C (fi) | 1979-04-10 |
| DE2302232A1 (de) | 1973-08-16 |
| YU6273A (en) | 1981-11-13 |
| BR7300356D0 (pt) | 1973-09-13 |
| IT978170B (it) | 1974-09-20 |
| JPS5130601B2 (sv) | 1976-09-02 |
| AU471897B2 (en) | 1974-07-04 |
| AU5064573A (en) | 1974-07-04 |
| AT325412B (de) | 1975-10-27 |
| FR2175401A5 (sv) | 1973-10-19 |
| NO135260C (sv) | 1977-03-09 |
| FI54943B (fi) | 1978-12-29 |
| AR194979A1 (es) | 1973-08-30 |
| DD102183A5 (sv) | 1973-12-05 |
| CA981855A (en) | 1976-01-20 |
| PL85082B1 (sv) | 1976-04-30 |
| JPS4875801A (sv) | 1973-10-12 |
| GB1392770A (en) | 1975-04-30 |
| ZA7354B (en) | 1973-09-26 |
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