DD272628A1 - Verfahren zur behandlung von frischholz - Google Patents
Verfahren zur behandlung von frischholz Download PDFInfo
- Publication number
- DD272628A1 DD272628A1 DD88315310A DD31531088A DD272628A1 DD 272628 A1 DD272628 A1 DD 272628A1 DD 88315310 A DD88315310 A DD 88315310A DD 31531088 A DD31531088 A DD 31531088A DD 272628 A1 DD272628 A1 DD 272628A1
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- wood
- drying
- moisture
- fibers
- nitric acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000008569 process Effects 0.000 title claims abstract description 14
- 239000002023 wood Substances 0.000 claims abstract description 43
- 238000001035 drying Methods 0.000 claims abstract description 37
- 239000000203 mixture Substances 0.000 claims abstract description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 7
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 5
- -1 alkali metal salt Chemical class 0.000 claims abstract description 5
- 239000000835 fiber Substances 0.000 claims abstract description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 4
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 3
- 239000007921 spray Substances 0.000 claims abstract description 3
- 239000002025 wood fiber Substances 0.000 claims abstract description 3
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 239000012153 distilled water Substances 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 abstract description 3
- 150000001342 alkaline earth metals Chemical class 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 230000001133 acceleration Effects 0.000 description 3
- 239000003570 air Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003278 mimic effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/18—Compounds of alkaline earth metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/32—Mixtures of different inorganic impregnating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/001—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/06—Softening or hardening of wood
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Drying Of Solid Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU871983A HU199088B (en) | 1987-05-04 | 1987-05-04 | Method for treating raw timbers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD272628A1 true DD272628A1 (de) | 1989-10-18 |
Family
ID=10957150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD88315310A DD272628A1 (de) | 1987-05-04 | 1988-05-02 | Verfahren zur behandlung von frischholz |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4977686A (cs) |
| EP (1) | EP0318528B1 (cs) |
| BR (1) | BR8807042A (cs) |
| CS (1) | CS277182B6 (cs) |
| DD (1) | DD272628A1 (cs) |
| HU (1) | HU199088B (cs) |
| PL (1) | PL155814B1 (cs) |
| RO (1) | RO105398B1 (cs) |
| WO (1) | WO1988008780A1 (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013223415A1 (de) * | 2013-11-15 | 2015-05-21 | Holzwerke Gmach GmbH | Verfahren zur künstlichen Holzalterung |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0206970D0 (en) * | 2002-03-25 | 2002-05-08 | Nutrel Products Ltd | Delivery system |
| FI20041448A0 (fi) * | 2004-11-10 | 2004-11-10 | Tekmawood Oy | Puutavaran suojausmenetelmä ja -laitteisto |
| JP2011189515A (ja) * | 2010-03-11 | 2011-09-29 | Olympus Corp | 圧縮木製品の製造方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1855666A (en) * | 1930-04-12 | 1932-04-26 | Leo P Curtin | Process of preserving wood |
| US2500954A (en) * | 1947-03-04 | 1950-03-21 | Us Agriculture | Method involving the use of chemicals for increasing the drying rate of wood |
| CH485616A (de) * | 1964-02-13 | 1970-02-15 | Lonza Werke Gmbh | Verfahren zur Herstellung von keramisch gebundenen feuerfesten Körpern |
| DE2460392A1 (de) * | 1974-12-20 | 1976-06-24 | Wilke Klaus Diether | Verfahren zur herstellung von nichtbrennbaren holzspanplatten |
-
1987
- 1987-05-04 HU HU871983A patent/HU199088B/hu not_active IP Right Cessation
-
1988
- 1988-04-20 EP EP88903339A patent/EP0318528B1/de not_active Expired - Lifetime
- 1988-04-20 WO PCT/HU1988/000023 patent/WO1988008780A1/de not_active Ceased
- 1988-04-20 BR BR888807042A patent/BR8807042A/pt unknown
- 1988-04-20 RO RO137540A patent/RO105398B1/ro unknown
- 1988-04-20 US US07/300,065 patent/US4977686A/en not_active Expired - Fee Related
- 1988-04-27 CS CS882854A patent/CS277182B6/cs unknown
- 1988-05-02 DD DD88315310A patent/DD272628A1/de not_active IP Right Cessation
- 1988-05-04 PL PL1988272246A patent/PL155814B1/pl unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013223415A1 (de) * | 2013-11-15 | 2015-05-21 | Holzwerke Gmach GmbH | Verfahren zur künstlichen Holzalterung |
Also Published As
| Publication number | Publication date |
|---|---|
| PL272246A1 (en) | 1989-05-16 |
| RO105398B1 (ro) | 1994-12-21 |
| EP0318528B1 (de) | 1991-07-17 |
| PL155814B1 (en) | 1992-01-31 |
| CS8802854A2 (en) | 1991-07-16 |
| US4977686A (en) | 1990-12-18 |
| EP0318528A1 (de) | 1989-06-07 |
| HU199088B (en) | 1990-01-29 |
| CS277182B6 (en) | 1992-12-16 |
| BR8807042A (pt) | 1989-10-03 |
| WO1988008780A1 (fr) | 1988-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |