NO120117B - - Google Patents
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- Publication number
- NO120117B NO120117B NO16716967A NO16716967A NO120117B NO 120117 B NO120117 B NO 120117B NO 16716967 A NO16716967 A NO 16716967A NO 16716967 A NO16716967 A NO 16716967A NO 120117 B NO120117 B NO 120117B
- Authority
- NO
- Norway
- Prior art keywords
- bleaching
- pulp
- tower
- mass
- towers
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 claims description 33
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 18
- 239000007844 bleaching agent Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000004155 Chlorine dioxide Substances 0.000 claims description 9
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 9
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 7
- 229920002678 cellulose Polymers 0.000 claims description 7
- 239000001913 cellulose Substances 0.000 claims description 7
- 239000000460 chlorine Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 4
- 229910001902 chlorine oxide Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 1
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 4
- 235000018185 Betula X alpestris Nutrition 0.000 description 2
- 235000018212 Betula X uliginosa Nutrition 0.000 description 2
- 241000218657 Picea Species 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C291/00—Compounds containing carbon and nitrogen and having functional groups not covered by groups C07C201/00 - C07C281/00
- C07C291/02—Compounds containing carbon and nitrogen and having functional groups not covered by groups C07C201/00 - C07C281/00 containing nitrogen-oxide bonds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB01083/66A GB1174921A (en) | 1966-03-14 | 1966-03-14 | Derivatives of Hydroxylamino-Carboxylic Acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO120117B true NO120117B (en:Method) | 1970-08-31 |
Family
ID=9979724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO16716967A NO120117B (en:Method) | 1966-03-14 | 1967-03-08 |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT276335B (en:Method) |
| BE (1) | BE694975A (en:Method) |
| DE (1) | DE1593925B1 (en:Method) |
| DK (1) | DK121607B (en:Method) |
| FI (1) | FI46253C (en:Method) |
| FR (2) | FR1513863A (en:Method) |
| GB (1) | GB1174921A (en:Method) |
| IL (1) | IL27473A (en:Method) |
| NL (1) | NL6702517A (en:Method) |
| NO (1) | NO120117B (en:Method) |
| SE (1) | SE320386B (en:Method) |
-
1966
- 1966-03-14 GB GB01083/66A patent/GB1174921A/en not_active Expired
-
1967
- 1967-02-20 NL NL6702517A patent/NL6702517A/xx unknown
- 1967-02-22 IL IL2747367A patent/IL27473A/en unknown
- 1967-02-24 DK DK102567A patent/DK121607B/da unknown
- 1967-03-03 BE BE694975D patent/BE694975A/xx unknown
- 1967-03-03 FI FI62667A patent/FI46253C/fi active
- 1967-03-08 NO NO16716967A patent/NO120117B/no unknown
- 1967-03-09 FR FR98112A patent/FR1513863A/fr not_active Expired
- 1967-03-11 DE DE19671593925 patent/DE1593925B1/de not_active Withdrawn
- 1967-03-13 AT AT238067A patent/AT276335B/de active
- 1967-03-13 SE SE3461/67A patent/SE320386B/xx unknown
- 1967-06-08 FR FR109589A patent/FR6451M/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE320386B (en:Method) | 1970-02-09 |
| DE1593925B1 (de) | 1971-07-15 |
| FI46253B (en:Method) | 1972-10-31 |
| FR1513863A (fr) | 1968-02-16 |
| DK121607B (da) | 1971-11-08 |
| FI46253C (fi) | 1973-02-12 |
| IL27473A (en) | 1971-04-28 |
| BE694975A (en:Method) | 1967-09-04 |
| AT276335B (de) | 1969-11-25 |
| GB1174921A (en) | 1969-12-17 |
| FR6451M (en:Method) | 1968-11-12 |
| NL6702517A (en:Method) | 1967-09-15 |
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