SU1064873A3 - Способ получени сульфатной целлюлозы - Google Patents
Способ получени сульфатной целлюлозы Download PDFInfo
- Publication number
- SU1064873A3 SU1064873A3 SU711656659A SU1656659A SU1064873A3 SU 1064873 A3 SU1064873 A3 SU 1064873A3 SU 711656659 A SU711656659 A SU 711656659A SU 1656659 A SU1656659 A SU 1656659A SU 1064873 A3 SU1064873 A3 SU 1064873A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- cooking
- sample
- liquor
- alkali
- acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 229920002678 cellulose Polymers 0.000 title claims description 10
- 239000001913 cellulose Substances 0.000 title claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title claims description 7
- 238000010411 cooking Methods 0.000 claims abstract description 83
- 239000003513 alkali Substances 0.000 claims abstract description 37
- 239000002253 acid Substances 0.000 claims abstract description 20
- 239000002023 wood Substances 0.000 claims abstract description 13
- 238000004448 titration Methods 0.000 claims abstract description 12
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims abstract 2
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 5
- 238000009835 boiling Methods 0.000 abstract description 5
- 238000009713 electroplating Methods 0.000 abstract 1
- 239000002655 kraft paper Substances 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
- 239000007788 liquid Substances 0.000 description 14
- 235000010980 cellulose Nutrition 0.000 description 8
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 6
- 235000011613 Pinus brutia Nutrition 0.000 description 6
- 241000018646 Pinus brutia Species 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 244000283070 Abies balsamea Species 0.000 description 1
- 235000007173 Abies balsamea Nutrition 0.000 description 1
- 241000208140 Acer Species 0.000 description 1
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 241000167854 Bourreria succulenta Species 0.000 description 1
- 241001070941 Castanea Species 0.000 description 1
- 235000014036 Castanea Nutrition 0.000 description 1
- 241000218645 Cedrus Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 244000166124 Eucalyptus globulus Species 0.000 description 1
- 240000000731 Fagus sylvatica Species 0.000 description 1
- 235000010099 Fagus sylvatica Nutrition 0.000 description 1
- 240000007472 Leucaena leucocephala Species 0.000 description 1
- 235000010643 Leucaena leucocephala Nutrition 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- 241000183024 Populus tremula Species 0.000 description 1
- 241000219492 Quercus Species 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 235000019693 cherries Nutrition 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 101150041868 cry1Aa gene Proteins 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000954 titration curve Methods 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
- D21C3/228—Automation of the pulping 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
- D21C7/00—Digesters
- D21C7/12—Devices for regulating or controlling
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Escalators And Moving Walkways (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE06795/70A SE367451B (de) | 1970-05-15 | 1970-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1064873A3 true SU1064873A3 (ru) | 1983-12-30 |
Family
ID=20269630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU711656659A SU1064873A3 (ru) | 1970-05-15 | 1971-05-14 | Способ получени сульфатной целлюлозы |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5140161B1 (de) |
| BR (1) | BR7102918D0 (de) |
| FI (1) | FI54617C (de) |
| NO (1) | NO132878C (de) |
| SE (1) | SE367451B (de) |
| SU (1) | SU1064873A3 (de) |
| ZA (1) | ZA713199B (de) |
-
1970
- 1970-05-15 SE SE06795/70A patent/SE367451B/xx unknown
-
1971
- 1971-05-13 NO NO1826/71A patent/NO132878C/no unknown
- 1971-05-14 FI FI1348/71A patent/FI54617C/fi active
- 1971-05-14 BR BR2918/71A patent/BR7102918D0/pt unknown
- 1971-05-14 SU SU711656659A patent/SU1064873A3/ru active
- 1971-05-15 JP JP46032886A patent/JPS5140161B1/ja active Pending
- 1971-05-17 ZA ZA713199A patent/ZA713199B/xx unknown
Non-Patent Citations (1)
| Title |
|---|
| 1. Патент FR 2005319, кл. D 21 С 7/00, 1969 (прототип). * |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5140161B1 (de) | 1976-11-01 |
| SE367451B (de) | 1974-05-27 |
| BR7102918D0 (pt) | 1973-05-31 |
| NO132878B (de) | 1975-10-13 |
| FI54617C (fi) | 1979-01-10 |
| NO132878C (de) | 1976-01-21 |
| ZA713199B (en) | 1973-01-31 |
| FI54617B (fi) | 1978-09-29 |
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