Problem with inventory
Posted: 24 Sep 2015 14:40
Hi,
I'm doing an LCA of a windturbine with elcd 3.1 database.
The modelling part is fine, my only problem is the impact assessment part: not all the processes are taken into account in the analysis.
For example if I take a product system of only one manufacturing process and one transport process, the inventory will only address the emissions of the second process and forget the first one. Yet the two processes are connected, and the emissions are well inventoried if I analyse them separately.
I've been trying many solutions, but the only thing that worked was to set the first process as reference process of the product system and then connect it with the down stream processes, instead of choosing the last process.
Do you have any idea of what can be wrong?
I'm doing an LCA of a windturbine with elcd 3.1 database.
The modelling part is fine, my only problem is the impact assessment part: not all the processes are taken into account in the analysis.
For example if I take a product system of only one manufacturing process and one transport process, the inventory will only address the emissions of the second process and forget the first one. Yet the two processes are connected, and the emissions are well inventoried if I analyse them separately.
I've been trying many solutions, but the only thing that worked was to set the first process as reference process of the product system and then connect it with the down stream processes, instead of choosing the last process.
Do you have any idea of what can be wrong?