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Recent questions in openLCA
0
votes
0
answers
78
views
Advice on handling emissions that have no impact factor for the selected LCIA method
asked
Jul 6, 2023
in
openLCA
by
TreeLover
(
150
points)
emission; impact factors; lcia method
impact assessment method
lcia methods
+1
vote
1
answer
205
views
No results in "process impact contribution" when i export the result in Excel file in OpenLCA2.0
asked
Jul 5, 2023
in
openLCA
by
zhengxuanwu
(
160
points)
excel export
version 2.0
process impact contribution
0
votes
1
answer
549
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
+1
vote
1
answer
177
views
OpenLCA 2.0, Process impact contributions in exported Excel
asked
Jul 4, 2023
in
openLCA
by
zhengxuanwu
(
160
points)
openlca 2.0
excel export
process impact contributions
0
votes
0
answers
151
views
Please help me about how to select a flow including a transport value(t*km) based on truck working with biofuel? :((
asked
Jul 4, 2023
in
openLCA
by
samiye
(
320
points)
truck
biofuel
transport
flow
0
votes
1
answer
259
views
Can not open settings in OpenLCA 2.0 (Macbook Air M1)
asked
Jul 2, 2023
in
openLCA
by
Manish29
(
150
points)
version 2.0
impact assessment method
openlca 2.0
+1
vote
0
answers
152
views
Carbon sequestration
asked
Jul 1, 2023
in
openLCA
by
Esther.goita
(
220
points)
carbon sequestration
life cycle impact assessment (lcia)
ecoinvent
+2
votes
0
answers
133
views
Which database offered by openLCA can be used for a LCA study on Portland Limestone cement?
asked
Jul 1, 2023
in
openLCA
by
Andrea Silva
(
170
points)
life cycle impact assessment (lcia)
database
lca
data inputs
openlca
+1
vote
0
answers
131
views
can we do a LCA on manufacturing process of portland limestone cement using openLCA to check the environmental impact?
asked
Jul 1, 2023
in
openLCA
by
Andrea Silva
(
170
points)
life cycle impact assessment (lcia)
openlca
impact assessment method
portland limestone cement
ordinary portland cement
+4
votes
2
answers
379
views
How to generate process contribution bar charts in a project report
asked
Jun 30, 2023
in
openLCA
by
Esther.goita
(
220
points)
project report
process contribution
0
votes
1
answer
204
views
How can I remove providers from all reference flows in my database?
asked
Jun 30, 2023
in
openLCA
by
Jake.Namovich
(
120
points)
process
provider linking
providers
default provider
reference flow
+1
vote
1
answer
292
views
Import EPDs through EC3 in openLCA 2.0
asked
Jun 27, 2023
in
openLCA
by
Myen29L
(
130
points)
version 2.0
epd
ec3
openepd
url
0
votes
3
answers
552
views
Value of the geometric mean, present in the uncertainty distribution, is negative
asked
Jun 26, 2023
in
openLCA
by
Cipriano
(
300
points)
ecoin
ecomoneta 3.9.1
geometric mean
uncertainty
negative value
0
votes
0
answers
101
views
Why isn't the material in the input and output reflected in the impact analysis?
asked
Jun 26, 2023
in
openLCA
by
i_LCA
(
120
points)
material flow
impact analysis
0
votes
0
answers
181
views
Which free database can I use to get extraction to end-of-life processes of notebooks & hard disk drives?
asked
Jun 24, 2023
in
openLCA
by
Shouvik Das
(
120
points)
openlca
end-of-life
+1
vote
2
answers
321
views
montecarlo fail on 2.0 after 300/400 iterations
asked
Jun 22, 2023
in
openLCA
by
luca.ragusa
(
420
points)
version 2.0
openlca 2.0
error
montecarlo
0
votes
0
answers
133
views
for a vehicle working with biofuel how should I enter transport data, please read below...
asked
Jun 21, 2023
in
openLCA
by
samiye
(
320
points)
transport data
biofuel
+3
votes
2
answers
883
views
How to carry out a Monte Carlo analysis correctly using the ECOINVENT 3.9.1 database
asked
Jun 21, 2023
in
openLCA
by
Cipriano
(
300
points)
monte carlo analysis
ecoinvent 3.9.1
uncertainty
0
votes
0
answers
93
views
Waste flow put back in the process
asked
Jun 19, 2023
in
openLCA
by
vivi.sicardi
(
120
points)
waste modelling
openlca
+1
vote
0
answers
146
views
How do you copy over the levels within a contribution tree to an excel sheet?
asked
Jun 19, 2023
in
openLCA
by
OpenLCA_user1
(
130
points)
contribution tree
copy paste
0
votes
1
answer
205
views
Incorrect Calculation Result Involving Wine in Milk Production Analysis
asked
Jun 19, 2023
in
openLCA
by
luriveros
(
120
points)
processes
calculation
impact analysis
+1
vote
1
answer
254
views
Can we do LCA of a wastewater treatment plant using openLCA
asked
Jun 16, 2023
in
openLCA
by
Pritha
(
130
points)
waste water treatment
steps
lca of waste water
+1
vote
1
answer
334
views
Memory error, however, plenty of allocated memory.
asked
Jun 16, 2023
in
openLCA
by
Simon Winther Schor
(
790
points)
out of memory
heap space
error
0
votes
1
answer
201
views
Is it possible to merge the Ecoinvent 3.9 database with the Ecosystem database?
asked
Jun 15, 2023
in
openLCA
by
alice_q
(
120
points)
ecoinvent
database
impact factors
flows
+2
votes
1
answer
246
views
What to do if the functional unit is not connected to the toppest process module
asked
Jun 15, 2023
in
openLCA
by
RomanB
(
150
points)
reference flow
functional unit
product system
recycling
+1
vote
1
answer
744
views
openLCA 2.0 Feedback
asked
Jun 14, 2023
in
openLCA
by
nemus210
(
190
points)
openlca 2.0
version 2.0
+1
vote
1
answer
269
views
For a transport process should we add both fuel consumption and freight value( t*km) at the same time to process inputs?
asked
Jun 14, 2023
in
openLCA
by
samiye
(
320
points)
t*km based on biodiesel
lorry
biodiesel
0
votes
1
answer
225
views
Any plans to upgrade log4j to a supported version?
asked
Jun 13, 2023
in
openLCA
by
sgorin
(
120
points)
openlca
update
+1
vote
1
answer
254
views
moving of own datasets from ecoinvent 3.8 to ecoinvent 3.9
asked
Jun 13, 2023
in
openLCA
by
luca.ragusa
(
420
points)
ecoinvent 3.9
ecoinvent 3.8
en15804
+1
vote
0
answers
253
views
Electricity and fuel consumption
asked
Jun 13, 2023
in
openLCA
by
Ludovic
(
150
points)
fuel consumption
electricity
electronics
0
votes
0
answers
87
views
Software freezes when adding a flow (Mac)
asked
Jun 13, 2023
in
openLCA
by
HelenSerafina
(
120
points)
openlca
flows
mac
crash
+2
votes
2
answers
667
views
OpenLCA 2.0 Manual for EPD
asked
Jun 13, 2023
in
openLCA
by
luca.ragusa
(
420
points)
epd
version 2.0
openlca 2.0
0
votes
1
answer
392
views
How to change transport (t*km) fuel kind in a process,how to edit background fuel data?
asked
Jun 13, 2023
in
openLCA
by
samiye
(
320
points)
transport
fuel change
biodiesel
t*km
0
votes
1
answer
219
views
how to copy (duplicate) an elementary flow present in the ECOINVENT 3.9.1 database?
asked
Jun 13, 2023
in
openLCA
by
Cipriano
(
300
points)
impact factors
openlca
flows
ecoinvent 3.9.1
0
votes
0
answers
125
views
Integrate electricity and fuel consumption
asked
Jun 12, 2023
in
openLCA
by
Ludovic
(
150
points)
fuel consumption
electricity
openlca
+3
votes
0
answers
187
views
error log in OpenLCA v 2.0.0 show outline in model graph
asked
Jun 12, 2023
in
openLCA
by
cecilerousseau
(
150
points)
version 2.0
error
show outline
0
votes
1
answer
245
views
Suggestions to ensure proper stochastic uncertainty analysis in relation to use of switches
asked
Jun 11, 2023
in
openLCA
by
Simon Winther Schor
(
790
points)
monte carlo analysis
uncertainty
parameters
suggestion
swtiches
+1
vote
0
answers
101
views
Which free database to use for a conveyor chain
asked
Jun 9, 2023
in
openLCA
by
Lennart
(
190
points)
database
openlca
free
plastic
conveyor chain
+1
vote
1
answer
469
views
Tracking difference of biogenic carbon in ecoinvent cut-off models (by classification vs. EN15804 add-on)
asked
Jun 8, 2023
in
openLCA
by
SCA_RE
(
160
points)
en15804
ecoinvent
system model
cut-off
biogenic carbon
+1
vote
0
answers
158
views
Process inputs
asked
Jun 8, 2023
in
openLCA
by
marek.carbol
(
130
points)
input output
process
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