Which carbon dioxide is to choose?

Question

Hi there,

I am modeling a reuse of a fluegas of an industrial process. It is used as a feedstock to produce another product. Which flow should I use as input:

- carbon dioxide, fossil

- carbon dioxide

- carbon dioxide (Category: Resource/unspecified)

Depending on which I take the GWP results are different. Which one fits my situation? Should a reuse of CO2eq always count as negative GWP? When would it not count as one?

Thanks

Sam

Comments

Also: If waste gas streams then include some of the co2eq, I do have to pick the same flow as in the input, right?