Login
Remember
Register
Questions
Unanswered
Tags
Ask a Question
Ask a Question
Recent questions tagged processes
0
votes
2
answers
1.4k
views
How to export list of "Total requirements" from direct calculation?
asked
Apr 23
in
openLCA
by
loremus
(
120
points)
results
processes
excel export
exporting results
0
votes
1
answer
519
views
How to avoid multiplying upstream process impacts when outputs go to different downstream processes?
asked
Apr 20
in
openLCA
by
maviana
(
200
points)
product system
impact assessment
contribution tree
processes
0
votes
1
answer
780
views
Mass importing of processes
asked
Dec 12, 2025
in
openLCA
by
VP
(
150
points)
openlca
import
ecoinvent
processes
0
votes
0
answers
625
views
what database from ecoinvent to use to model welding stainless steel
asked
Nov 28, 2025
in
Miscellaneous
by
Seyedehgelareh Sanei
(
270
points)
processes
ecoinvent
lca
openlca database
0
votes
1
answer
563
views
Switch from one electricity source to Norwegian electricity
asked
Nov 15, 2025
in
openLCA
by
Oline Grimsmo Røe
(
120
points)
agribalyse
openlca
processes
input output
electricity mix
0
votes
1
answer
619
views
Naming Input Outputs as going through processes.
asked
Nov 13, 2025
in
openLCA
by
mkalam
(
240
points)
openlca
processes
naming inputs
outputs.
+2
votes
0
answers
552
views
Correct Modellling of Metals and Transformation Process
asked
Oct 16, 2025
in
openLCA
by
HD
(
210
points)
openlca
metal production
processes
0
votes
1
answer
1.4k
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
1.4k
views
Efficient Result Analysis Help
asked
Jun 18, 2025
in
openLCA
by
yarmiah bukhari
(
230
points)
openlca
calculation
impact analysis
processes
life cycle impact assessment (lcia)
0
votes
1
answer
1.7k
views
Where to find inputs outputs to construct a case study for paper and polymer shiping bags.
asked
May 29, 2025
in
openLCA
by
mkalam
(
240
points)
inventory
processes
database
flows
0
votes
1
answer
1.2k
views
what can i find as detergent for removing oil from steel in ecoinvent? also what about emulsion?
asked
Mar 7, 2025
in
openLCA
by
Seyedehgelareh Sanei
(
270
points)
database
processes
oil
+1
vote
2
answers
1.4k
views
Processes appear twice after importing a database into another version of ecoinvent
asked
Mar 4, 2025
in
openLCA
by
Johann_R
(
130
points)
processes
providers
import error
duplicate
ecoinvent
0
votes
0
answers
755
views
Why is nothing displayed in the processes of the Ecoinvent 3.3 database uploaded in OpenLCA 2.4?
asked
Jan 19, 2025
in
openLCA
by
Ratona1942
(
120
points)
processes
database
ecoinvent
openlca
0
votes
0
answers
984
views
Is it possible to replace a (sub-)process with another (sub-)process throughout a selection of processes in a database?
asked
Dec 3, 2024
in
openLCA
by
hmwakeling
(
300
points)
change database
openlca
processes
0
votes
0
answers
676
views
Processes with no Inputs
asked
Dec 1, 2024
in
openLCA
by
VinhTran
(
600
points)
openlca
processes
inputs
+1
vote
1
answer
1.4k
views
Modeling several components for a product system and evaluating alternative EoL strategies
asked
Sep 9, 2024
in
openLCA
by
ritbik03
(
130
points)
product system
openlca
flows
processes
0
votes
0
answers
868
views
How can I calculate the embodied emissions of a CHP unit? Are there any values stored in openLCA?
asked
Aug 30, 2024
in
openLCA
by
Mahmoud
(
140
points)
embodied emissions
processes
power plant
0
votes
0
answers
930
views
Vitamins and chemical elements, Phosphoric in food
asked
Jul 29, 2024
in
Miscellaneous
by
Giannis Kosmidis
(
930
points)
ecoinvent
openlca database
processes
0
votes
1
answer
1.4k
views
How to connect multiple processes with the same output and link them to a subsequent process
asked
Jun 27, 2024
in
openLCA
by
Meiji
(
120
points)
input output
process
processes
flow category
product system
0
votes
1
answer
1.2k
views
Why does my self-created process not have a resulting number for direct impact contributions?
asked
Apr 10, 2024
in
openLCA
by
jessicahardiman
(
120
points)
openlca
processes
0
votes
0
answers
1.1k
views
stainless steel LCA
asked
Mar 12, 2024
in
openLCA
by
mo7amed
(
200
points)
ecoinvent3.5
lca
openlca
processes
life cycle impact assessment (lcia) methods
0
votes
1
answer
1.2k
views
(-) calculation result
asked
Jan 29, 2024
in
openLCA
by
Myeongjukim
(
300
points)
calculation
processes
impact assessment
0
votes
3
answers
3.2k
views
Number of elements in sankey diagram
asked
Jan 8, 2024
in
openLCA
by
DiHorw
(
1.2k
points)
sankey diagram
processes
+1
vote
0
answers
719
views
Displaying impact for different processes with a product system.
asked
Nov 15, 2023
in
openLCA
by
Bibhuti Ojha
(
130
points)
openlca
process impact contributions
processes
0
votes
1
answer
1.9k
views
Does "polyester fibre production, finished" (ecoinvent) include all upstream processes?
asked
Oct 13, 2023
in
Miscellaneous
by
JBref_
(
350
points)
ecoinvent
processes
direct contribution
upstream total
0
votes
0
answers
909
views
energy flow saved from energy needs for cooling and heating
asked
Sep 29, 2023
in
openLCA
by
francescag
(
140
points)
flows
processes
database
openlca
0
votes
1
answer
6.3k
views
How to connect output of one process to the input of another process, after creating the flow
asked
Sep 26, 2023
in
openLCA
by
Sivaranjani_p
(
170
points)
input output
process
flows
processes
0
votes
0
answers
2.1k
views
Database recommendation for different steel types
asked
Sep 15, 2023
in
openLCA
by
MoiAGH
(
120
points)
openlca
processes
methods
ecoinvent
lca
0
votes
1
answer
2.2k
views
Duplicate a process from a database to another
asked
Sep 5, 2023
in
openLCA
by
violetmari
(
190
points)
agribalyse
ecoinvent
import data sets
processes
copy paste
0
votes
1
answer
2.4k
views
Why does Eager/All calculation on processes always result in "Matrix is probably singular"?
asked
Jul 5, 2023
in
openLCA
by
MiasSomsch
(
120
points)
processes
matrix
calculation
impact analysis
calculation error
0
votes
1
answer
1.2k
views
Incorrect Calculation Result Involving Wine in Milk Production Analysis
asked
Jun 19, 2023
in
openLCA
by
luriveros
(
120
points)
processes
calculation
impact analysis
0
votes
2
answers
2.1k
views
Calculate recycling or not?
asked
Apr 28, 2023
in
Miscellaneous
by
Giannis Kosmidis
(
930
points)
life cycle impact assessment (lcia)
processes
calculation
0
votes
1
answer
1.8k
views
Which impact method is used for analysis of embodied energy and CO2 emission of any concrete?
asked
Apr 22, 2023
in
openLCA
by
Ashish Kirat Rai
(
120
points)
life cycle impact assessment (lcia)
calculation method
flows
processes
0
votes
0
answers
961
views
Numerical values of emission factors for the EN 15804_A2 impact assessment method.
asked
Oct 13, 2022
in
openLCA
by
Giannis Kosmidis
(
930
points)
impact assessment method
openlca
calculation method
flows
processes
0
votes
0
answers
1.0k
views
Hi, I am a student who going to write my bachelor thesis on windfarm energy
asked
Sep 20, 2022
in
openLCA
by
bilalmh
(
260
points)
openlca
processes
data inputs
flows
database
0
votes
1
answer
1.4k
views
I am exporting database built on one computer and importing it another and it is not updating the database
asked
Jul 27, 2022
in
openLCA
by
beglca
(
140
points)
openlca
data inputs
data migration
processes
flows
0
votes
0
answers
948
views
How we can build my own LCA input file for with respect to one crop
asked
Jul 24, 2022
in
openLCA
by
nsubashpdfsr
(
120
points)
input output
processes
0
votes
0
answers
1.2k
views
The OpenLCA programme shuts down itself in window 10 while I am running it
asked
Jun 15, 2022
in
openLCA
by
aytc
(
120
points)
openlca
processes
0
votes
0
answers
2.3k
views
How to export process information from openLCA database
asked
May 27, 2022
in
openLCA
by
riciwang
(
120
points)
database
process
processes
excel export
python
0
votes
0
answers
911
views
Process without category
asked
Mar 30, 2022
in
openLCA
by
gmevel
(
120
points)
openlca
category
processes
Page:
1
2
3
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
(3.3k)
Miscellaneous
(210)
LCA Collaboration Server
(83)
Follow @openlca
Most popular tags
openlca
database
ecoinvent
process
life cycle impact assessment (lcia) methods
product system
life cycle impact assessment (lcia)
flows
import
results
error
openlca1.6
calculation
modelling
python
data inputs
monte carlo analysis
input output
processes
uncertainty
olca-ipc
data
openlca1.7
impact analysis
lca
impact assessment method
openlca1.5
en15804
lca collaboration server
import export
methods
waste treatment
life cycle assessment (lca)
excel export
contribution tree
provider linking
openlca 2.0
ecoinvent3.6
exiobase
impact categories
openlca 1.10.3
exporting results
waste management
allocation
ef3.1
...
