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Paper engineering is a subfield of wood processing. The major wood product categories are: sawn timber, wood-based panels, wood chips, paper and paper products and miscellaneous others including poles and railway sleepers. Forest product processing technologies have undergone extraordinary advances in some of the above categories.
In the narrow sense of the terms, wood, forest, forestry and timber/lumber industry appear to point to different sectors, in the industrialized, internationalized world, there is a tendency toward huge integrated businesses that cover the complete spectrum from silviculture and forestry in private primary or secondary forests or plantations via the logging process up to wood processing and ...
Lumber is a sustainable and environmentally friendly construction material that could replace modern building materials (e.g. concrete and steel) given its structural performance, capacity to fixate CO 2 and low energy demand during the manufacturing process. [44] Substituting lumber for concrete or steel avoids the carbon emissions of those ...
The creation of pressed wood begins with the veneers [2] being placed in a rotary dryer. [3] This dryer is typically heated with steam at around 204 °C (400 °F). This process prepares the veneers for the humidifying process in which the veneers are then placed into humidification chambers.
Wood by-products of the mills will also make oriented strand board (OSB) paneling for building construction, a cheaper and in some use cases more robust alternative to plywood for paneling. Some automatic mills can process 800 small logs into bark chips, wood chips, sawdust and sorted, stacked, and bound planks, in an hour.
Wood fibres can be used as a substrate in hydroponics. Wood wool (i.e. wood slivers) have been a substrate of choice since the earliest days of the hydroponics research. [4] However, more recent research suggests that wood fibre can have detrimental effects on "plant growth regulators". [5] [non-primary source needed]
The most widely used method to saturate wood with impregnation resins is by a vacuum treatment process. [23] This process uses a sealable vessel to contain the wooden samples while they are in treatment. After the samples have been oven-dried and placed into the vessel, a vacuum is pulled up to a certain psi depending on the procedure.
Unsourced material may be challenged and removed. ( December 2009 ) ( Learn how and when to remove this message ) This tree lists various manufacturing processes arranged by similarity of function.