chipper production, stationary, electric, UPR, ecoinvent 3.6, Undefined

Categories:
ISIC4 categories:
C:Manufacturing/28:Manufacture of machinery and equipment n.e.c./282:Manufacture of special-purpose machinery/2822:Manufacture of metal-forming machinery and machine tools
Location:
RER - Europe
Reference year: 1996 - 1996
Description

Location: RER - Europe
This dataset represents the production of a stationary electric wood chopper. A stationary chopper is used at sawmills to produce wood chips from industrial residuals.
The estimate of the dataset is very rough and the dataset is thus not more specific than average European production. Due to this uncertainty the dataset must only be used to consider the infrastructure needed for chopping industrial residue wood if the infrastructure is not relevant.
Several types of choppers exist; here only one model is developed and the uncertainty, especially for energy consumption, is rather high.
Undefined unit processes (UPRs) are the unlinked, multi-product activity datasets that form the basis for all of the system models available in the ecoinvent database. This is the way the datasets are obtained and entered into the database by the data providers. These activity datasets are useful for investigating the environmental impacts of a specific activity (gate-to-gate), without regard to its upstream or downstream impacts.

Technology

Chopper with an hourly output of 3.3 m3/h bulked chips and a life time output of 100'000 m3 (=1.886E7 kg dried matter) bulked chips. The chopper mainly consists of unalloyed steel plates and has a total weight of 2.5 t.
The chopper contains 5 litre of gear lubricant oil, which is exchanged every 4'000 service hours or 13'000 piled m3. This gear lubricant oil is inventoried as “Fuel oil petro, at storehouse CH”. The cutting knifes weight 5 kg, a service life of 2'000 h or 6'500 piled m3 and consist of low-alloyed steel. For the production of the chopper it is assumed that 25 MJ/kg primary energy for unalloyed steel and 35 MJ/kg primary energy for low-alloyed steel must be used. Primary energy resources are 50% electricity and 50% gas.
Reference:
Etienne (1993) Personal communication. Etienne AG, Luzern. (private company)

Process type
Unit
Supported nomenclature
ecoinvent 3.6
LCI modeling approach
Before modeling
Multifunctional modeling
NONE
Format
ECOSPOLD2
Aggregation type
NOT_APPLICABLE
Data provider
ecoinvent
Review status
External
Cost
For sale
License

ecoinvent EULA