Location: RER - Europe
As there is some variation from factory to factory with regard to the LCI, it is advised that in case this dataset becomes important in the results, it is recommended to investigated further if the assumptions made for this dataset are applicable or not.
The losses (of air) during distribution (from the compressor to the final consumer) are part of this dataset. Two types of network are introduced (based on research presented in ecoinvent report 23_MechanicalEngineering); small installations with compressor capacity below 30kW and large installations with compressor capacity above 30kW. This dataset includes large installation (>30kW).
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.