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Recent questions tagged system process (lci)
+1
vote
1
answer
264
views
Is it possible to show unit processes as single contributors like system processes in openLCA?
asked
Apr 8
in
openLCA
by
Martin1610
(
130
points)
ecoinvent 3.11
unit process
system process (lci)
product system
0
votes
1
answer
319
views
Inquiry Regarding LCA Process Calculation Result
asked
Feb 25
in
openLCA
by
shkim10890
(
120
points)
openlca
system process (lci)
ef3.1
0
votes
1
answer
515
views
Is it possible to convert a Unit Process into a System Process within openLCA to subsequently export it in ILCD format?
asked
Dec 17, 2025
in
openLCA
by
farcebastias
(
510
points)
system process (lci)
ilcd
unit process
import export
0
votes
1
answer
787
views
Best practice for mixing Cutoff System (S) and Unit (U) processes in the same openLCA project
asked
Dec 9, 2025
in
openLCA
by
rosamaria.fibla
(
120
points)
openlca
unit process
system process (lci)
ecoinvent
cut-off
0
votes
1
answer
567
views
Different results in cost calculation between System and Unit Processes
asked
Oct 19, 2025
in
openLCA
by
tapmbot
(
380
points)
apos
calculation method
unit process
system process (lci)
ecoinvent
0
votes
1
answer
886
views
System Processes for citric acid
asked
Jun 5, 2025
in
openLCA
by
Tob_i
(
120
points)
ecoinvent
database
system process (lci)
0
votes
1
answer
720
views
Does anyone understand what is called semi-continous operation process?
asked
Jan 19, 2025
in
openLCA
by
Popoola
(
120
points)
openlca
flows
results
system process (lci)
0
votes
0
answers
626
views
System Process material not showing result
asked
Sep 19, 2024
in
openLCA
by
gwantaelee
(
120
points)
unit process
system process (lci)
results
ecoinvent 3.9.1
0
votes
0
answers
433
views
felt panel- LCI- Recycled content
asked
Jun 6, 2024
in
openLCA
by
anromano
(
140
points)
acousticpanels. recycledmaterial
system process (lci)
0
votes
0
answers
602
views
Discrepancy between UPR and LCI process for incineration
asked
Oct 27, 2023
in
Miscellaneous
by
Matias Lund
(
8.3k
points)
ecoinvent 3.9.1
system process (lci)
unit process
incineration
0
votes
0
answers
1.7k
views
Unit Process vs System Process
asked
Mar 9, 2023
in
openLCA
by
Giannis Kosmidis
(
930
points)
unit process
product system
system process (lci)
0
votes
1
answer
1.1k
views
Excel file from product system calculation export too heavy
asked
Dec 19, 2022
in
openLCA
by
Mauric
(
180
points)
excel export
product system
system process (lci)
unit process
contribution tree
0
votes
1
answer
1.2k
views
Update for EN15804 add-on
asked
Oct 3, 2022
in
openLCA
by
Matias Lund
(
8.3k
points)
en15804
system process (lci)
update
0
votes
1
answer
3.0k
views
Inputs section: Unit process use elementary flows and System process use product flows?
asked
Sep 29, 2022
in
openLCA
by
MLMVD
(
240
points)
inputs
unit process
elementary flow
system process (lci)
up
0
votes
1
answer
1.7k
views
System processes in EN15804?
asked
Aug 18, 2022
in
Miscellaneous
by
Matias Lund
(
8.3k
points)
openlca
epd
system process (lci)
unit process
0
votes
1
answer
1.7k
views
Save productsystem calculation results as LCI result(system process) via python ipc
asked
Jun 20, 2022
in
openLCA
by
Jonas_A
(
120
points)
openlca
system process (lci)
olca-ipc
product system
0
votes
2
answers
4.6k
views
I still don't understand the difference between unit and system process. Could anyone explain it to me again?
asked
Sep 6, 2021
in
openLCA
by
LisaEhm
(
240
points)
openlca
unit process
system process (lci)
+2
votes
1
answer
4.1k
views
Different calculation results for same Product systems with process type as System process vs Unit process
asked
May 19, 2021
in
openLCA
by
karo_iti
(
250
points)
product system
unit process
system process (lci)
0
votes
1
answer
2.3k
views
Why can the system process be displayed in the process contribution of the report instead of the unit process?
asked
Mar 17, 2021
in
openLCA
by
CayJ
(
120
points)
system process (lci)
unit process
processes
0
votes
0
answers
820
views
Results not being shown for unit processes
asked
Jan 5, 2021
in
openLCA
by
lcasey
(
140
points)
unit process
system process (lci)
market process ecoinvent
ecoinvent3.6
0
votes
1
answer
1.2k
views
Where did my providers go
asked
Dec 6, 2020
in
openLCA
by
brettduane
(
260
points)
system process (lci)
unit process
ecoinvent 3.7
+1
vote
1
answer
1.8k
views
Why are ecoinvent 3.7 datasets all "unit processes" but show LCI results? Shouldn't those be "system processes"?
asked
Oct 13, 2020
in
openLCA
by
LisaEhm
(
240
points)
system process (lci)
unit process
market process ecoinvent
production process ecoinvent
elementary flow
0
votes
0
answers
899
views
Any connection shows in sankey diagram
asked
May 27, 2020
in
openLCA
by
Zoli
(
570
points)
sankey diagram
openlca
product system
calculation
system process (lci)
0
votes
0
answers
1.3k
views
connections of system processes
asked
May 24, 2020
in
openLCA
by
Zoli
(
570
points)
system process (lci)
unit process
system processes connection
allocation
+1
vote
0
answers
1.1k
views
Allocation in system process
asked
May 24, 2020
in
openLCA
by
Zoli
(
570
points)
modeling
multi functional process
allocation
openlca1.10.1
system process (lci)
0
votes
1
answer
2.1k
views
how to make provider connection in system process,
asked
Apr 20, 2020
in
openLCA
by
Zoli
(
570
points)
product system
unit process
system process (lci)
provider linking
+3
votes
1
answer
2.0k
views
How to rename duplicate processes when working with two versions of a database?
asked
Oct 10, 2019
in
openLCA
by
JérémyRodrigues
(
170
points)
duplicate
process
system process (lci)
ecoinvent
combining databases
0
votes
1
answer
1.5k
views
Feature request - option to default to system processes after x steps
asked
Jun 11, 2019
in
openLCA
by
sjgcooper
(
2.0k
points)
feature request
product system
unit process
system process (lci)
+2
votes
1
answer
7.0k
views
Which Should i use Unit process or System Process?
asked
May 4, 2019
in
openLCA
by
Aayush Thapa
(
620
points)
openlca
life cycle inventory (lci)
unit process
system process (lci)
+2
votes
1
answer
5.0k
views
How to combine Ecoinvent Unit (UP) and System (LCI) datasets without loosing processes?
asked
Mar 27, 2019
in
openLCA
by
sjgcooper
(
2.0k
points)
ecoinvent3.5
system process (lci)
unit process
life cycle inventory (lci)
combining databases
+2
votes
1
answer
13.4k
views
Difference between cutoff, U and cutoff, S
asked
Nov 20, 2018
in
openLCA
by
sagets
(
870
points)
unit process
system process (lci)
openlca
+1
vote
1
answer
2.5k
views
Process in a Process
asked
Jun 14, 2018
in
openLCA
by
amine7
(
190
points)
system process (lci)
process
unit process
openlca
+3
votes
2
answers
24.8k
views
Difference between system process and unit process
asked
Apr 11, 2018
in
openLCA
by
Norbert
openlca1.7
system process (lci)
unit process
product system
provider linking
0
votes
2
answers
7.2k
views
'System process' vs. 'Unit process' under Provider
asked
Dec 4, 2017
in
openLCA
by
jrsfinn
openlca1.6
system process (lci)
unit process
provider linking
0
votes
2
answers
5.9k
views
'Unit process' versus 'system process'
asked
Jan 4, 2017
in
Miscellaneous
by
FrancieGiuly
unit process
system process (lci)
product system
provider linking
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