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I'm trying to calculate the environmental impact of just the manufacturing processes like knitting, weaving etc. in the textile UPR LCA datasets of ecoinvent. I would like to exclude the impact of the materials from the calculation. For eg:
"textile production, cotton, air jet loom weaving | textile, woven cotton | Cutoff, U"

This dataset has the following input flows:

When I add this process to a product system and calculate the environmental impact using openLCA, I see that the impact of the "yarn, cotton" is included in the final value:



How can I exclude this input from the calculation entirely? I would just like to model the impact of the weaving process only.

in openLCA by (120 points)

1 Answer

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by (123k points)
Well, e.g., remove the providers for the material and create the product system with only using default providers?

Best wishes,

Andreas
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