DE2705110C2 - Verfahren zur Konservierung von Hackschnitzel aus Faserholz - Google Patents
Verfahren zur Konservierung von Hackschnitzel aus FaserholzInfo
- Publication number
- DE2705110C2 DE2705110C2 DE19772705110 DE2705110A DE2705110C2 DE 2705110 C2 DE2705110 C2 DE 2705110C2 DE 19772705110 DE19772705110 DE 19772705110 DE 2705110 A DE2705110 A DE 2705110A DE 2705110 C2 DE2705110 C2 DE 2705110C2
- Authority
- DE
- Germany
- Prior art keywords
- wood chips
- wood
- preservation
- pulpwood
- liquid
- 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
- 239000002023 wood Substances 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 8
- 238000004321 preservation Methods 0.000 title claims description 6
- 239000007788 liquid Substances 0.000 claims description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000029087 digestion Effects 0.000 claims description 2
- 239000011121 hardwood Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 229920005610 lignin Polymers 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 240000000731 Fagus sylvatica Species 0.000 description 1
- 235000010099 Fagus sylvatica Nutrition 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- LVGQIQHJMRUCRM-UHFFFAOYSA-L calcium bisulfite Chemical compound [Ca+2].OS([O-])=O.OS([O-])=O LVGQIQHJMRUCRM-UHFFFAOYSA-L 0.000 description 1
- 235000010260 calcium hydrogen sulphite Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/38—Conserving the finely-divided cellulosic material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
- D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD19237876A DD125281A1 (cs) | 1976-04-15 | 1976-04-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2705110A1 DE2705110A1 (de) | 1977-10-27 |
| DE2705110C2 true DE2705110C2 (de) | 1986-11-13 |
Family
ID=5504252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772705110 Expired DE2705110C2 (de) | 1976-04-15 | 1977-02-08 | Verfahren zur Konservierung von Hackschnitzel aus Faserholz |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT355911B (cs) |
| CS (1) | CS193217B1 (cs) |
| DD (1) | DD125281A1 (cs) |
| DE (1) | DE2705110C2 (cs) |
| PL (1) | PL104931B1 (cs) |
| SE (1) | SE434410B (cs) |
| YU (1) | YU98977A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101351313B (zh) * | 2005-07-27 | 2011-06-01 | 克罗诺普拉斯技术股份公司 | 散发少量化学化合物的木材制品的制备方法和由此制备的木材制品 |
-
1976
- 1976-04-15 DD DD19237876A patent/DD125281A1/xx unknown
-
1977
- 1977-02-08 DE DE19772705110 patent/DE2705110C2/de not_active Expired
- 1977-02-15 AT AT99377A patent/AT355911B/de not_active IP Right Cessation
- 1977-04-14 YU YU98977A patent/YU98977A/xx unknown
- 1977-04-14 PL PL19740677A patent/PL104931B1/xx unknown
- 1977-04-14 CS CS246277A patent/CS193217B1/cs unknown
- 1977-04-17 SE SE7704318A patent/SE434410B/xx not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Also Published As
| Publication number | Publication date |
|---|---|
| YU98977A (en) | 1982-06-30 |
| SE7704318L (sv) | 1977-10-16 |
| PL197406A1 (pl) | 1978-02-13 |
| SE434410B (sv) | 1984-07-23 |
| ATA99377A (de) | 1979-08-15 |
| DD125281A1 (cs) | 1977-04-13 |
| AT355911B (de) | 1980-03-25 |
| CS193217B1 (en) | 1979-10-31 |
| DE2705110A1 (de) | 1977-10-27 |
| PL104931B1 (pl) | 1979-09-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |