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Recent questions tagged impact assessment
0
votes
1
answer
213
views
How to avoid multiplying upstream process impacts when outputs go to different downstream processes?
asked
Apr 20
in
openLCA
by
maviana
(
180
points)
product system
impact assessment
contribution tree
processes
+1
vote
1
answer
778
views
Negative emissions in raw material phase
asked
Sep 5, 2025
in
Miscellaneous
by
ef_20
(
130
points)
impact assessment
results
raw material phase
biogenic carbon
0
votes
1
answer
1.1k
views
inputs and impacts from Processes created by me
asked
Aug 12, 2025
in
openLCA
by
jovicce
(
120
points)
process
impact assessment
linking process
0
votes
0
answers
942
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
1
answer
758
views
Why did the LCIA result (freshwater ecotoxicity impact category) contributions amount to more than 100%?
asked
May 21, 2025
in
openLCA
by
bell3c
(
120
points)
impact assessment
recipe midpoint (h)
contribution tree
0
votes
0
answers
723
views
Inquiry Regarding Suitable Database for Methanol Production LCA in OpenLCA
asked
Dec 15, 2024
in
openLCA
by
Fatemeh Soltani
(
120
points)
database
process
chemical
data inputs
impact assessment
0
votes
1
answer
1.1k
views
S-LCA Methodology with PSILCA database: Potential Double Counting of Raw Material Extraction Social Impacts
asked
Nov 14, 2024
in
Miscellaneous
by
LauraM
(
120
points)
psilca
social lca (s-lca)
impact assessment
phases
+1
vote
1
answer
788
views
Gold Has No End of Life: How Do I Calculate GHG Emissions for Gold Sold in Pawn Shops?
asked
Jul 5, 2024
in
openLCA
by
andres castellanos
(
130
points)
end-of-life
impact assessment
life cycle impact assessment (lcia)
0
votes
2
answers
2.3k
views
Project--units not showing up for one of the compared product systems
asked
Apr 30, 2024
in
openLCA
by
gv229
(
470
points)
impact assessment
product system
0
votes
1
answer
927
views
(-) calculation result
asked
Jan 29, 2024
in
openLCA
by
Myeongjukim
(
300
points)
calculation
processes
impact assessment
0
votes
1
answer
1.8k
views
Why does the production of sulphuric acid give a negative CO2 result in Open LCA using ecoinvent IPCC 2021
asked
Dec 18, 2023
in
openLCA
by
Arooba Nazneen
(
120
points)
openlca
methods
ipcc
impact assessment
0
votes
0
answers
584
views
why does the midpoint impact assessment result have a negative result and the network has a green line?
asked
Jul 29, 2023
in
openLCA
by
aditiapc
(
120
points)
impact assessment
recipe midpoint (h)
0
votes
1
answer
3.0k
views
Negative values for the LCIA
asked
May 2, 2023
in
openLCA
by
Eline1618
(
310
points)
lcia results
openlca
negative emissions
ecoinvent
impact assessment
0
votes
1
answer
1.8k
views
How can I do update for Eco invent LCIA methods database after importing it into the software?
asked
Mar 21, 2023
in
openLCA
by
Shaimaa El-Sers
(
120
points)
openlca
ecoinvent
impact assessment
0
votes
1
answer
1.7k
views
How to characterise a flow with an inmpact cathegory?
asked
Feb 17, 2023
in
openLCA
by
Eline1618
(
310
points)
openlca
flows
impact factor
impact assessment
characterisation factors
0
votes
1
answer
1.6k
views
Classification into raw material extraction, production, transport, product use and end of life
asked
Sep 5, 2022
in
openLCA
by
GVS
(
120
points)
openlca
phases
end-of-life
impact assessment
waste treatment
+1
vote
1
answer
1.6k
views
How do I download Julia Library?
asked
Mar 11, 2022
in
openLCA
by
saba shadab
(
170
points)
julia library missing
openlca 1.10.3
julia libs
import
impact assessment
0
votes
0
answers
872
views
i do LCA for building using OpenLCA as a software, LCI (ecoinvent) database, LCIA (ReCiPe) for my master thesis.
asked
Feb 21, 2022
in
openLCA
by
Mohamed Shehta
(
120
points)
ecoinvent
openlca
impact assessment
+2
votes
0
answers
1.2k
views
How can I use ecoinvent’s .spold files with OpenLCA that is asking for .zolca files?
asked
Dec 13, 2021
in
openLCA
by
Preety
(
140
points)
openlca
database
impact assessment
0
votes
1
answer
918
views
How do I set a reference study period?
asked
Nov 13, 2021
in
openLCA
by
pplopez23
(
160
points)
impact assessment
openlca
0
votes
1
answer
2.5k
views
How do I start for End-of-Life product LCA?
asked
Oct 29, 2021
in
Miscellaneous
by
prapok
(
170
points)
end-of-life
recycling
flows
impact assessment
0
votes
0
answers
703
views
How do I export GWP100 for all processes that I have in a database?
asked
Oct 6, 2021
in
openLCA
by
Boba
(
120
points)
impact assessment
gwp
0
votes
1
answer
1.3k
views
Impact of electricity not showing up
asked
Aug 19, 2021
in
openLCA
by
AmritaS
(
170
points)
impact assessment
processes
electricity
openlca
provider linking
0
votes
0
answers
1.7k
views
Influence of the different processes in ecoinvent case study ceramic cup vs paper cup
asked
Jul 7, 2021
in
openLCA
by
rufusxrf
(
140
points)
impact analysis
case study
ecoinvent
impact assessment
processes
0
votes
1
answer
1.8k
views
EN15804 SBK-Bepalingsmethod
asked
Apr 8, 2021
in
openLCA
by
Nell Stankewitz
(
230
points)
en15804
openlca
impact assessment
0
votes
1
answer
997
views
What do these values mean?
asked
Apr 1, 2021
in
openLCA
by
Muhammad Tayyab
(
120
points)
openlca
impact assessment
0
votes
0
answers
879
views
Importing CFs calculated in an excel to openLCA
asked
Aug 28, 2020
in
openLCA
by
Mudit
(
140
points)
impact assessment
import
0
votes
0
answers
844
views
Regionalized impact assessment
asked
Jan 23, 2020
in
openLCA
by
cdiffoteguia
(
200
points)
environmental footprints (pef)
impact assessment
regionalised lca
pef database
no regionalized information available
+1
vote
1
answer
3.7k
views
CML-IA baseline characterization factor: Arsenic
asked
Oct 16, 2018
in
openLCA
by
Nicola.Ferrara
(
1.5k
points)
impact assessment
cml
characterisation factors
+1
vote
1
answer
1.5k
views
Chlorine characterization factor in ReCiPe & UseTox
asked
Apr 16, 2018
in
openLCA
by
jsenan
openlca
impact assessment
ilcd
recipe
usetox
0
votes
1
answer
3.6k
views
EN15804:2012 Energy Empty
asked
May 24, 2017
in
openLCA
by
dinaharvard
openlca
modelling
impact assessment
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