NO132842B - - Google Patents
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- Publication number
- NO132842B NO132842B NO4916/71A NO491671A NO132842B NO 132842 B NO132842 B NO 132842B NO 4916/71 A NO4916/71 A NO 4916/71A NO 491671 A NO491671 A NO 491671A NO 132842 B NO132842 B NO 132842B
- Authority
- NO
- Norway
- Prior art keywords
- degassing
- boiler
- boiling
- liquid
- circulation
- Prior art date
Links
- 239000007788 liquid Substances 0.000 claims description 23
- 238000009835 boiling Methods 0.000 claims description 22
- 238000010411 cooking Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 238000007872 degassing Methods 0.000 claims description 13
- 230000000737 periodic effect Effects 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000000110 cooling liquid Substances 0.000 claims description 2
- 229920005610 lignin Polymers 0.000 claims description 2
- 239000012978 lignocellulosic material Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000009826 distribution Methods 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 229910021653 sulphate ion Inorganic materials 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 230000005465 channeling Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE17702/70A SE345885B (fi) | 1970-12-30 | 1970-12-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO132842B true NO132842B (fi) | 1975-10-06 |
| NO132842C NO132842C (fi) | 1976-01-14 |
Family
ID=20303881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO4916/71A NO132842C (fi) | 1970-12-30 | 1971-12-29 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3793137A (fi) |
| CA (1) | CA948912A (fi) |
| FI (1) | FI53991C (fi) |
| NO (1) | NO132842C (fi) |
| SE (1) | SE345885B (fi) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4188261A (en) * | 1975-04-18 | 1980-02-12 | Sca Development Aktiebolag | Method of improving the homogeneity of lignocellulose containing material |
| US5489363A (en) * | 1993-05-04 | 1996-02-06 | Kamyr, Inc. | Pulping with low dissolved solids for improved pulp strength |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1831206A (en) * | 1931-03-06 | 1931-11-10 | Paper Patents Co | Digester system |
| US1905050A (en) * | 1932-04-29 | 1933-04-25 | Nekoosa Edwards Paper Co | Apparatus for and method of cooking wood pulp |
| US3298889A (en) * | 1963-05-20 | 1967-01-17 | Meyer Geo J Mfg Co | Label picker apparatus |
| US3467573A (en) * | 1965-12-13 | 1969-09-16 | Improved Machinery Inc | Upflow digester containing means for separate removal of wash liquor and pulping liquor and method of pulping in said digester |
-
1970
- 1970-12-30 SE SE17702/70A patent/SE345885B/xx unknown
-
1971
- 1971-12-20 US US00209883A patent/US3793137A/en not_active Expired - Lifetime
- 1971-12-23 CA CA130,985A patent/CA948912A/en not_active Expired
- 1971-12-29 FI FI3733/71A patent/FI53991C/fi active
- 1971-12-29 NO NO4916/71A patent/NO132842C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO132842C (fi) | 1976-01-14 |
| CA948912A (en) | 1974-06-11 |
| FI53991C (fi) | 1978-09-11 |
| FI53991B (fi) | 1978-05-31 |
| SE345885B (fi) | 1972-06-12 |
| US3793137A (en) | 1974-02-19 |
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