Login
Remember
Register
Questions
Unanswered
Tags
Ask a Question
No answer
No selected answer
No upvoted answer
Ask a Question
Recent questions without a selected answer
0
votes
1
answer
892
views
Recycling Loop
asked
Aug 6, 2025
in
openLCA
by
Swarna Saha
(
160
points)
recycling
closed-loop
openlca
life cycle impact assessment (lcia)
0
votes
1
answer
766
views
Does a similar input output process sytem differ in terms of different database?
asked
Aug 5, 2025
in
openLCA
by
Swarna Saha
(
160
points)
life cycle impact assessment (lcia) methods
openlca
methods
0
votes
0
answers
599
views
migrating built product system from ecoinvent-system-processes to ecoinvent-unit-processes
asked
Aug 3, 2025
in
openLCA
by
lyriuni
(
160
points)
openlca
modelling
0
votes
1
answer
640
views
PSILCA V4 running time in the results tabsd
asked
Aug 1, 2025
in
openLCA
by
Laleh
(
330
points)
psilca
openlca
database
0
votes
1
answer
762
views
Reference to background datasets for waste treatment processes
asked
Jul 31, 2025
in
openLCA
by
zengtingxi
(
390
points)
waste treatment
openlca
waste eol modelling
waste flow
0
votes
1
answer
811
views
Does the input include the output products from the previous process?
asked
Jul 31, 2025
in
openLCA
by
Eira
(
120
points)
input output
process
openlca
0
votes
0
answers
671
views
Export to Excel - Truncated matrices due to Excel column limit (openLCA 2.5.0)
asked
Jul 31, 2025
in
openLCA
by
aparis
(
140
points)
excel export
openlca 2.5.0
contribution analysis
0
votes
0
answers
680
views
If maintenance fee for ecoinvent is not paid for 5 subsequent years, the 6th year will sum up in 3750 euro
asked
Jul 31, 2025
in
openLCA
by
Nikos
(
140
points)
ecoinvent
maintenance fee
0
votes
2
answers
1.1k
views
Issue: Market electricity provider is auto-replaced by residual mix in OpenLCA
asked
Jul 30, 2025
in
openLCA
by
Minso
(
370
points)
electricity
residual mix
openlca
data inputs
process
0
votes
2
answers
1.0k
views
Is it possible to update EPD results from TRACI2.1 to EF3.1?
asked
Jul 30, 2025
in
openLCA
by
vapLCA
(
270
points)
openlca
environmental product declaration (epd)
impact assessment method
ef3.1
0
votes
0
answers
817
views
A Commercial Single-User Licence (perpetual) for ecoinvent v2.2 & v3.11 includes also Support or technical assistance;
asked
Jul 30, 2025
in
openLCA
by
Nikos
(
140
points)
ecoinvent
maintenance fee
0
votes
1
answer
843
views
Setting up LCA CS in Tomcat
asked
Jul 28, 2025
in
LCA Collaboration Server
by
austerus
(
120
points)
lca collaboration server
lca
0
votes
1
answer
951
views
PSILCA database in Activity Browser
asked
Jul 28, 2025
in
Miscellaneous
by
Akemi KR
(
140
points)
psilca
openlca
social lca (s-lca)
activity browser
0
votes
0
answers
627
views
If I buy ecoinvent license via Nexus, do I get full control and access to license number info?
asked
Jul 27, 2025
in
openLCA
by
jessiework0101
(
120
points)
database
license
ecoinvent
0
votes
1
answer
681
views
Crash OPENLCA - PEF 3.1
asked
Jul 25, 2025
in
openLCA
by
ric
(
190
points)
pef database
openlca 2.5
crash
0
votes
0
answers
753
views
Clarification on Potential Double Counting in LCA Modeling of Solvent Combustion
asked
Jul 23, 2025
in
LCA Collaboration Server
by
nmosaleheh
(
120
points)
co2 emission
double counting
modelling
0
votes
1
answer
778
views
Failed to export Excel
asked
Jul 23, 2025
in
openLCA
by
zhengqi
(
120
points)
excel export
exporting results
openlca
excel
0
votes
1
answer
939
views
ILCD-EL of elementary flow(uuid) in some databases
asked
Jul 22, 2025
in
openLCA
by
zengtingxi
(
390
points)
ilcd - el
database
uuid
elementary flows
openlca
0
votes
1
answer
551
views
Many flows in the EF database lack providers.
asked
Jul 22, 2025
in
openLCA
by
zengtingxi
(
390
points)
provider linking
ef
flow
openlca
0
votes
1
answer
551
views
OpenLCA 2.2 shutting itself off during calculating or openning a product model
asked
Jul 21, 2025
in
openLCA
by
Seval Cicek
(
180
points)
crash
database
not responding
0
votes
0
answers
733
views
reference flow of EOL recycling modeling in openLCA
asked
Jul 21, 2025
in
openLCA
by
zengtingxi
(
390
points)
openlca
end-of-life (eol)
lcdn
battery eol recycling modeling
reference flow
0
votes
1
answer
1.2k
views
Can you please clarify the deadline of free use of Environmental Footprint database?
asked
Jul 18, 2025
in
openLCA
by
Balazs SARA
(
190
points)
environmental footprint
database
free
0
votes
1
answer
863
views
Adding CO2eq as Output flow to Process?
asked
Jul 18, 2025
in
openLCA
by
battery_lca
(
180
points)
processes
flows
database
input output
missinig
0
votes
1
answer
1.1k
views
How to create/add new reference flow property (Energy unit kWh)?
asked
Jul 18, 2025
in
openLCA
by
battery_lca
(
180
points)
reference flow property
unit
0
votes
1
answer
624
views
Databases other than EF database that meet ILCD - EL requirements
asked
Jul 18, 2025
in
openLCA
by
zengtingxi
(
390
points)
ilcd - el
ef
database
battery eol recycling modeling
0
votes
0
answers
643
views
category of flow used in recycling modeling
asked
Jul 18, 2025
in
openLCA
by
zengtingxi
(
390
points)
life cycle impact assessment (lcia)
flows
recycling
openlca
lcdn
0
votes
0
answers
666
views
How to assess carbon footprint (iso14067) for a metallurgical waste recycling process (gate to gate) using openLCA?
asked
Jul 17, 2025
in
openLCA
by
jfyfong
(
120
points)
database
carbon footprint
openlca
0
votes
1
answer
687
views
Issues when trying to merge Ecoinvent3.11 and Agribalyse 3.2 ?
asked
Jul 16, 2025
in
openLCA
by
Pili LCA
(
120
points)
merging databases
ecoinvent 3.11
agribalyse 3.2
0
votes
0
answers
577
views
the category of flow in battery EOL recycling modeling
asked
Jul 16, 2025
in
openLCA
by
zengtingxi
(
390
points)
flows
end-of-life (eol)
waste treatment
data input
openlca
0
votes
1
answer
754
views
Export OpenLCA to EcoSpold
asked
Jul 15, 2025
in
openLCA
by
silvia.domingo
(
120
points)
import export
ecospold
+1
vote
1
answer
1.1k
views
how to use circular footprint formula for modeling in openLCA
asked
Jul 15, 2025
in
openLCA
by
zengtingxi
(
390
points)
end of life
circular footprint formula
openlca
0
votes
1
answer
903
views
Some activities are missing from Ecoinvent database
asked
Jul 15, 2025
in
openLCA
by
lyriuni
(
160
points)
openlca
ecoinvent
0
votes
1
answer
676
views
results differ when calculating impact from an exported product system matrix (using main.py) than in the GUI.
asked
Jul 14, 2025
in
openLCA
by
gjthoma
(
800
points)
matrix export
lcia results
product system
0
votes
1
answer
1.1k
views
How to include waste incineration in model
asked
Jul 14, 2025
in
Miscellaneous
by
s.bennett
(
280
points)
ecoinvent
incineration
waste treatment
0
votes
0
answers
875
views
How to calculate impacts of multiple outputs from same inputs in one process, and how allocation distributes burden?
asked
Jul 13, 2025
in
openLCA
by
Vijayshri
(
140
points)
openlca
process
allocation
quantitative reference
impact assessment
0
votes
0
answers
721
views
How to update the parameter list in a project efficiently?
asked
Jul 12, 2025
in
openLCA
by
gavinmavin
(
140
points)
project report
excel import
excel export
parameter variation
0
votes
1
answer
484
views
difference of DAL licence
asked
Jul 11, 2025
in
openLCA
by
zengtingxi
(
390
points)
openlca dal
license
0
votes
0
answers
684
views
Importing hydrogen, liquid from ecoinvent 3.9 into ecoinvent 3.10
asked
Jul 9, 2025
in
Miscellaneous
by
s.bennett
(
280
points)
methods
database
zolca
ecoinvent 3.10
combining datasets
0
votes
2
answers
985
views
Download database of LCDN Node in Nexus
asked
Jul 9, 2025
in
openLCA
by
zengtingxi
(
390
points)
openlca nexus
lcdn
educational licence
openlca dal
ef3.1
0
votes
1
answer
522
views
How can I import a database in another database, but the basic flows are different?
asked
Jul 8, 2025
in
openLCA
by
magnus
(
140
points)
import
databse
flows
Page:
« prev
1
2
3
4
5
6
7
8
9
10
11
12
...
75
next »
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
(207)
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
...
