System vs. Unit under Provider

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jrsfinn
Posts: 8
Joined: 04 Dec 2017 01:15

System vs. Unit under Provider

Post by jrsfinn » 04 Dec 2017 01:20

Hi all,

I do not fully understand the system (S) or unit (U) options under the Provider tab in Processes. If anyone has advice or a simple explanation I would be extremely grateful.

Thank you!

aciroth
Posts: 750
Joined: 09 May 2010 23:28

Re: System vs. Unit under Provider

Post by aciroth » 04 Dec 2017 13:45

A system process is fully aggregated, a unit process is not, but can deliver the same product if the system process is the aggregated version of a specific unit process. I hope it's clear now?
Thank you!

Daniel
Posts: 7
Joined: 03 Nov 2017 14:53

Re: System vs. Unit under Provider

Post by Daniel » 19 Dec 2017 17:55

Hey Andreas,

i got the same question and saw your post here. But it isn't clear at all. Maybe you can clarify that?
Thank you in advance.

Daniel

aciroth
Posts: 750
Joined: 09 May 2010 23:28

Re: System vs. Unit under Provider

Post by aciroth » 20 Dec 2017 12:33


Daniel
Posts: 7
Joined: 03 Nov 2017 14:53

Re: System vs. Unit under Provider

Post by Daniel » 20 Dec 2017 14:36

Maybe we can illustrate that on an example.

In the ProBas_Plus database there is a unit and a System process for the production of Aluminium.
The unit process contains only the process of the production of Aluminium itself.
But the System process includes next to the production of Aluminium also the Bauxit mining?

Am i right?

Thank you in advance
Daniel

aciroth
Posts: 750
Joined: 09 May 2010 23:28

Re: System vs. Unit under Provider

Post by aciroth » 20 Dec 2017 19:54

yes (assuming that in the modeling of the aluminium supply chain bauxit mining was considered).

Daniel
Posts: 7
Joined: 03 Nov 2017 14:53

Re: System vs. Unit under Provider

Post by Daniel » 21 Dec 2017 11:37

In the input of the system process they use mined ores. So if i want to be on the safe side, i should ask the drafter of the database which steps they included in the process?

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