DE2215739C2 - Verfahren zum Pulpieren von zerkleinertem Holz - Google Patents
Verfahren zum Pulpieren von zerkleinertem HolzInfo
- Publication number
- DE2215739C2 DE2215739C2 DE19722215739 DE2215739A DE2215739C2 DE 2215739 C2 DE2215739 C2 DE 2215739C2 DE 19722215739 DE19722215739 DE 19722215739 DE 2215739 A DE2215739 A DE 2215739A DE 2215739 C2 DE2215739 C2 DE 2215739C2
- Authority
- DE
- Germany
- Prior art keywords
- residues
- impregnated
- pulp
- nitric acid
- wood
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 45
- 230000008569 process Effects 0.000 title claims description 26
- 239000002023 wood Substances 0.000 title claims description 25
- 238000004537 pulping Methods 0.000 title claims description 16
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 38
- 229910017604 nitric acid Inorganic materials 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 28
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 20
- 239000002253 acid Substances 0.000 claims description 20
- 238000005470 impregnation Methods 0.000 claims description 19
- 239000000243 solution Substances 0.000 claims description 19
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 14
- 239000000908 ammonium hydroxide Substances 0.000 claims description 11
- 229920002678 cellulose Polymers 0.000 claims description 10
- 239000001913 cellulose Substances 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- 229910002651 NO3 Inorganic materials 0.000 claims description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 4
- 238000010306 acid treatment Methods 0.000 claims description 4
- -1 ammonium ions Chemical class 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 2
- 238000010411 cooking Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- 235000021190 leftovers Nutrition 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 claims 3
- 238000000926 separation method Methods 0.000 claims 3
- 239000003513 alkali Substances 0.000 claims 2
- 230000029087 digestion Effects 0.000 claims 2
- 229920002488 Hemicellulose Polymers 0.000 claims 1
- 241001397173 Kali <angiosperm> Species 0.000 claims 1
- 241000276498 Pollachius virens Species 0.000 claims 1
- 240000008042 Zea mays Species 0.000 claims 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 150000003868 ammonium compounds Chemical class 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 235000008504 concentrate Nutrition 0.000 claims 1
- 239000012141 concentrate Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 claims 1
- 235000009973 maize Nutrition 0.000 claims 1
- 231100000719 pollutant Toxicity 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 claims 1
- 239000003930 superacid Substances 0.000 claims 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 238000011282 treatment Methods 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920005610 lignin Polymers 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 238000010025 steaming Methods 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 240000000907 Musa textilis Species 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241000721662 Juniperus Species 0.000 description 1
- 235000014556 Juniperus scopulorum Nutrition 0.000 description 1
- 235000014560 Juniperus virginiana var silicicola Nutrition 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 235000008691 Sabina virginiana Nutrition 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005259 measurement Methods 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 235000001520 savin Nutrition 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000002699 waste material 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
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/16—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides nitrogen oxides; nitric acid nitrates, nitrites
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13290871A | 1971-04-09 | 1971-04-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2215739A1 DE2215739A1 (de) | 1972-10-26 |
| DE2215739C2 true DE2215739C2 (de) | 1985-05-15 |
Family
ID=22456120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722215739 Expired DE2215739C2 (de) | 1971-04-09 | 1972-03-30 | Verfahren zum Pulpieren von zerkleinertem Holz |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5822597B1 (OSRAM) |
| DE (1) | DE2215739C2 (OSRAM) |
| FR (1) | FR2136259A5 (OSRAM) |
| GB (1) | GB1366252A (OSRAM) |
| PH (1) | PH13234A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004106624A1 (en) * | 2003-06-03 | 2004-12-09 | Pacific Pulp Resources Inc. | Method for producing pulp and lignin |
| RU2383675C1 (ru) * | 2005-12-07 | 2010-03-10 | Келли Энтони О`ФЛИНН | Осуществляемый в каталитическом реакторе процесс производства промышленной целлюлозной массы, нативного лигнина и одноклеточного белка |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE681149C (de) * | 1936-04-24 | 1939-09-18 | I G Farbenindustrie Akt Ges | Verfahren zur Gewinnung von Zellstoff |
| US3461028A (en) * | 1968-02-01 | 1969-08-12 | Alscope Ltd | Process for making pulp by impregnating cellulosic materials with ammonium hydroxide and nitric acid |
-
1972
- 1972-03-30 DE DE19722215739 patent/DE2215739C2/de not_active Expired
- 1972-04-05 GB GB1578072A patent/GB1366252A/en not_active Expired
- 1972-04-07 FR FR7212285A patent/FR2136259A5/fr not_active Expired
- 1972-04-07 PH PH13421A patent/PH13234A/en unknown
- 1972-04-10 JP JP47035265A patent/JPS5822597B1/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5822597B1 (OSRAM) | 1983-05-10 |
| PH13234A (en) | 1980-02-14 |
| FR2136259A5 (OSRAM) | 1972-12-22 |
| DE2215739A1 (de) | 1972-10-26 |
| GB1366252A (en) | 1974-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |