CA2136143A1 - Treatment of wood chips and the like - Google Patents
Treatment of wood chips and the likeInfo
- Publication number
- CA2136143A1 CA2136143A1 CA002136143A CA2136143A CA2136143A1 CA 2136143 A1 CA2136143 A1 CA 2136143A1 CA 002136143 A CA002136143 A CA 002136143A CA 2136143 A CA2136143 A CA 2136143A CA 2136143 A1 CA2136143 A1 CA 2136143A1
- Authority
- CA
- Canada
- Prior art keywords
- treatment
- wood chips
- wood
- chips
- pile
- 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.)
- Granted
Links
- 239000002023 wood Substances 0.000 title abstract 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 3
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000003516 soil conditioner Substances 0.000 abstract 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
- B27K3/02—Processes; Apparatus
-
- 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
- B27K3/20—Compounds of alkali metals or ammonium
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A process is used for the treatment of particulate wood, for example chips, shavings and the like. The process involves the addition of anhydrous ammonia to an enclosed pile of wet, particulate wood and allowing the ammonia to react with the pile over a period of four to five months. The resultant product is dry, highly absorptive wood chips that is used primarily asa soil conditioner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002136143A CA2136143C (en) | 1994-11-18 | 1994-11-18 | Treatment of wood chips and the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002136143A CA2136143C (en) | 1994-11-18 | 1994-11-18 | Treatment of wood chips and the like |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2136143A1 true CA2136143A1 (en) | 1996-05-19 |
CA2136143C CA2136143C (en) | 2001-10-23 |
Family
ID=4154696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002136143A Expired - Fee Related CA2136143C (en) | 1994-11-18 | 1994-11-18 | Treatment of wood chips and the like |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2136143C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2336291A1 (en) * | 2009-12-15 | 2011-06-22 | Samsung Electronics Co., Ltd. | Method and apparatus for pretreating biomass using internal heat |
-
1994
- 1994-11-18 CA CA002136143A patent/CA2136143C/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2336291A1 (en) * | 2009-12-15 | 2011-06-22 | Samsung Electronics Co., Ltd. | Method and apparatus for pretreating biomass using internal heat |
Also Published As
Publication number | Publication date |
---|---|
CA2136143C (en) | 2001-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20131119 |