Login
Remember
Register
Questions
Unanswered
Tags
Ask a Question
Ask a Question
Recent questions tagged system process (lci)
+1
vote
0
answers
86
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
237
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
423
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
633
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
463
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
770
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
641
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
572
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
389
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
555
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
1.6k
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
994
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
2.9k
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
1.6k
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
4.4k
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
3.9k
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
2.2k
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
773
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
1.1k
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
1.7k
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
840
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
1.2k
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
1.0k
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
2.0k
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
1.9k
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
1.4k
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
6.7k
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
4.8k
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
13.1k
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
24.4k
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
7.1k
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
5.8k
views
'Unit process' versus 'system process'
asked
Jan 4, 2017
in
Miscellaneous
by
FrancieGiuly
unit process
system process (lci)
product system
provider linking
To see more, click for the
full list of questions
or
popular tags
.
ask.openLCA
is a question-and-answer (Q&A) website on
Life Cycle Assessment (LCA)
.
It is also the public support platform for
openLCA
,
openLCA Nexus
and the
LCA Collaboration Server
.
Before asking questions please also consult our online manuals for
openLCA
and the
LCA Collaboration Server
.
Receive guaranteed and prioritised professional support via
GreenDelta's help desk
.
ask.openLCA is run by
GreenDelta
, the creators of openLCA.
Categories
All categories
openLCA
(3.2k)
Miscellaneous
(206)
LCA Collaboration Server
(81)
Follow @openlca
Most popular tags
openlca
database
ecoinvent
process
life cycle impact assessment (lcia) methods
product system
life cycle impact assessment (lcia)
import
flows
results
error
openlca1.6
calculation
modelling
python
data inputs
monte carlo analysis
processes
input output
uncertainty
data
olca-ipc
openlca1.7
impact analysis
lca
impact assessment method
openlca1.5
en15804
lca collaboration server
methods
import export
excel export
life cycle assessment (lca)
waste treatment
provider linking
contribution tree
openlca 2.0
exiobase
ecoinvent3.6
impact categories
openlca 1.10.3
exporting results
waste management
allocation
crash
...
