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Recent questions tagged unit process
0
votes
1
answer
265
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
(
450
points)
system process (lci)
ilcd
unit process
import export
0
votes
1
answer
400
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
362
views
Why do some ecoinvent 3.11 process datasets have direct impacts, while others show none?
asked
Oct 28, 2025
in
openLCA
by
boonchong91
(
120
points)
life cycle impact assessment (lcia) methods
unit process
database
0
votes
1
answer
375
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
0
answers
519
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
1
answer
969
views
Functional Unit for a lubrication system
asked
Jun 25, 2024
in
openLCA
by
poobeshks
(
130
points)
functional unit
modelling
openlca
unit process
0
votes
2
answers
744
views
In the picture below, I don't understand what is in the box "benzene_production"?
asked
Apr 16, 2024
in
Miscellaneous
by
bencsik
(
120
points)
flows
results
unit process
database
0
votes
0
answers
512
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
1
answer
889
views
Product system with the same process many times
asked
Oct 14, 2023
in
openLCA
by
jodhernandezbe
(
140
points)
product system
unit process
openlca
0
votes
0
answers
623
views
Exporting Unit Processes
asked
Sep 26, 2023
in
openLCA
by
matu
(
120
points)
export
unit process
version 2.0
ecoinvent
knime
0
votes
0
answers
1.4k
views
Unit Process vs System Process
asked
Mar 9, 2023
in
openLCA
by
Giannis Kosmidis
(
930
points)
unit process
product system
system process (lci)
+2
votes
1
answer
886
views
Unit calculation are slow even with all optimizations
asked
Feb 14, 2023
in
openLCA
by
Tom56
(
320
points)
openlca
calculation slow calculation
unit process
0
votes
1
answer
908
views
Excel file from product system calculation export too heavy
asked
Dec 19, 2022
in
openLCA
by
Mauric
(
160
points)
excel export
product system
system process (lci)
unit process
contribution tree
0
votes
1
answer
2.5k
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
1.4k
views
System processes in EN15804?
asked
Aug 18, 2022
in
Miscellaneous
by
Matias Lund
(
8.3k
points)
openlca
epd
system process (lci)
unit process
+2
votes
1
answer
2.0k
views
copy process and work on it
asked
Nov 25, 2021
in
openLCA
by
anne2801
(
490
points)
impact analysis
copy paste
database
unit process
calculation
0
votes
0
answers
536
views
Export all datasheets but save file as the "name" and not the "UUID"
asked
Nov 16, 2021
in
openLCA
by
Saba
(
140
points)
export
uuid
name
unit process
+2
votes
1
answer
886
views
ProBas+ negative results/ different results for unit and process system
asked
Nov 14, 2021
in
openLCA
by
Yannik
(
140
points)
openlca
product system
unit process
lcia results
+1
vote
0
answers
640
views
Function unit on LCA
asked
Nov 5, 2021
in
openLCA
by
Fared
(
130
points)
unit process
function unit
0
votes
2
answers
4.1k
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)
0
votes
1
answer
4.0k
views
Impact Analysis result
asked
Jul 1, 2021
in
openLCA
by
masumashipu
(
210
points)
impact analysis
openlca
unit process
+2
votes
1
answer
3.5k
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
2.1k
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
715
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
1.0k
views
Where did my providers go
asked
Dec 6, 2020
in
openLCA
by
brettduane
(
260
points)
system process (lci)
unit process
ecoinvent 3.7
0
votes
1
answer
1.1k
views
Impact Analysis for a U process does not give same result as calculation
asked
Nov 7, 2020
in
openLCA
by
SCarp
(
190
points)
openlca 1.10.3
impact analysis
calculation
unit process
+1
vote
1
answer
1.6k
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
1.1k
views
connections of system processes
asked
May 24, 2020
in
openLCA
by
Zoli
(
570
points)
system process (lci)
unit process
system processes connection
allocation
0
votes
1
answer
1.9k
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
0
votes
1
answer
1.3k
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
6.2k
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
4.5k
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
0
votes
1
answer
2.1k
views
Default providers lost after import
asked
Jan 31, 2019
in
openLCA
by
jensfpeters
(
120
points)
import export
unit process
default provider
flows
+2
votes
1
answer
12.6k
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
2.4k
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
23.6k
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
6.9k
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
5.6k
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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