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Recent questions tagged flows
0
votes
0
answers
19
views
How should I preset the initial wastewater quality parameter (eg, BOD, COD)?
asked
4 days
ago
in
openLCA
by
Colin
(
120
points)
waste treatment
data inputs
flows
0
votes
0
answers
61
views
How to separate direct energy use from upstream CED/NRE in openLCA?
asked
Aug 23
in
openLCA
by
MATRIMAX
(
180
points)
database
openlca
results
flows
embodied energy
0
votes
1
answer
552
views
For a shell & tube heat exchanger using cooling water, is the cooling water mass flow or duty be the input?
asked
May 13
in
openLCA
by
Mr.Cat
(
200
points)
openlca
flows
data inputs
ecoinvent3.6
0
votes
1
answer
442
views
methane and nitrogen gas are not available as product flows in ecoinvent, is there an alternative to them ?
asked
May 3
in
openLCA
by
Mr.Cat
(
200
points)
database
ecoinvent
flows
gate-to-gate
product flow
0
votes
0
answers
549
views
How should evaporated water be modelled in openlca?
asked
Apr 28
in
openLCA
by
s235133
(
120
points)
ef3.1
water use
openlca
flows
modelling
0
votes
1
answer
721
views
How to get impact result of each individual flow per impact category in openLCA IPC Python?
asked
Mar 22
in
openLCA
by
qbao
(
210
points)
life cycle impact assessment (lcia) methods
flows
impact categories
python
0
votes
1
answer
1.0k
views
I would like to know how to map flows from the EF database to my main Ecoinvent one.
asked
Mar 13
in
openLCA
by
JLee
(
120
points)
ecoinvent
database
flows
openlca
0
votes
1
answer
481
views
Noise emissions (dB) in units in openlca?
asked
Mar 9
in
openLCA
by
mkalam
(
240
points)
noise
db units
calculation
flows
0
votes
2
answers
738
views
I selected the data quality but it is not getting calculated
asked
Feb 3
in
openLCA
by
Nikhil
(
120
points)
data quality
uncertainty
flows
process
product system
0
votes
2
answers
846
views
All treatment flows are negatives
asked
Jan 27
in
openLCA
by
Tom56
(
320
points)
flows
results
database
0
votes
1
answer
664
views
waste water treatment
asked
Jan 27
in
openLCA
by
Shalsa
(
140
points)
waste water treatment
flows
impact categories
impact method
database for waste water
0
votes
1
answer
651
views
type flow of waste water treatment
asked
Jan 25
in
openLCA
by
Shalsa
(
140
points)
waste water treatment
flows
0
votes
1
answer
929
views
Adding Recycled Polypropylene injected in Europe to my database
asked
Oct 23, 2025
in
openLCA
by
klep
(
160
points)
openlca
database
flows
0
votes
0
answers
421
views
In OpenLCA 2.5 within Ecoinvent 3.6 and suddenly all the impacts of product flow disapeared
asked
Oct 14, 2025
in
openLCA
by
Alessandra Duailibe
(
120
points)
flows
elementary flow
ecoinvent3.6
product flow
0
votes
1
answer
676
views
How to model the landfill of my refrigerator?
asked
Sep 30, 2025
in
openLCA
by
Francesco Clementi
(
120
points)
openlca
flows
0
votes
1
answer
766
views
The evaluation method cannot detect the flow of the database.
asked
Sep 24, 2025
in
openLCA
by
sql
(
150
points)
openlca
life cycle impact assessment (lcia)
flows
+1
vote
0
answers
990
views
Create new flows in bulk
asked
Aug 27, 2025
in
openLCA
by
jignesh
(
330
points)
flows
new flows
0
votes
1
answer
1.2k
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
0
answers
821
views
category of flow used in recycling modeling
asked
Jul 18, 2025
in
openLCA
by
zengtingxi
(
410
points)
life cycle impact assessment (lcia)
flows
recycling
openlca
lcdn
0
votes
0
answers
757
views
the category of flow in battery EOL recycling modeling
asked
Jul 16, 2025
in
openLCA
by
zengtingxi
(
410
points)
flows
end-of-life (eol)
waste treatment
data input
openlca
0
votes
1
answer
803
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
0
votes
1
answer
1.8k
views
Any alternatives for providers to get emissions?
asked
Jul 8, 2025
in
openLCA
by
Chinmay_26
(
120
points)
life cycle assessment (lca)
openlca
flows
process
provider.
0
votes
1
answer
842
views
How do I model compost as one of my raw materials (A1)?
asked
Jun 6, 2025
in
openLCA
by
YasminTaghizadeh
(
120
points)
process
flows
methods
database
0
votes
1
answer
1.5k
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
1.3k
views
Can scaling up the product system in the targeted amount be accurate?
asked
May 28, 2025
in
openLCA
by
yarmiah bukhari
(
230
points)
product system
openlca
data inputs
flows
lca
0
votes
0
answers
832
views
when to use waste flow, and when use output of a process
asked
Mar 27, 2025
in
openLCA
by
Seyedehgelareh Sanei
(
260
points)
openlca
flows
modeling
database
0
votes
1
answer
798
views
I want to define sorting and pressing of iron scrap RoW as my output flow.
asked
Mar 10, 2025
in
openLCA
by
Seyedehgelareh Sanei
(
260
points)
database
openlca
flows
0
votes
1
answer
858
views
Does ecoinvent v3.10 has transporation for GLO? or is it only for Europe. I couldnt find
asked
Feb 19, 2025
in
openLCA
by
Seyedehgelareh Sanei
(
260
points)
database
flows
0
votes
1
answer
891
views
Can there be a process without an input flow?
asked
Feb 16, 2025
in
openLCA
by
soum
(
120
points)
openlca
flows
input output
0
votes
1
answer
1.1k
views
Can I create a custom unit in processes ?
asked
Jan 31, 2025
in
openLCA
by
maximilien.schneider
(
120
points)
unit
process
flows
0
votes
1
answer
898
views
Does anyone understand what is called semi-continous operation process?
asked
Jan 19, 2025
in
openLCA
by
Popoola
(
120
points)
openlca
flows
results
system process (lci)
0
votes
1
answer
1.1k
views
Is there a wrong way to import a Database?
asked
Dec 6, 2024
in
openLCA
by
therealLuisDietz
(
120
points)
import
flows
0
votes
1
answer
1.3k
views
missing allocation of units in flow in OpenLCA IPC code
asked
Nov 27, 2024
in
openLCA
by
DiHorw
(
1.1k
points)
openlca
python
flows
0
votes
0
answers
617
views
Trinitrotoluene (TNT) product in openLCA
asked
Oct 9, 2024
in
openLCA
by
Jae
(
180
points)
openlca
product
flows
0
votes
1
answer
1.6k
views
How to change flow type from elementary to product to waste?
asked
Oct 2, 2024
in
openLCA
by
Rimsha Safdar
(
120
points)
openlca
provider linking
flows
data inputs
0
votes
1
answer
1.4k
views
In terms of KgCO2eq, openLCA provides flow diagrams with positive and negative values. How should these be interpreted?
asked
Sep 24, 2024
in
openLCA
by
Pasquale96
(
120
points)
openlca
flows
0
votes
0
answers
729
views
Is there a study on life cycle analysis in railways? I am having difficulty creating a flow chart in particular.
asked
Sep 18, 2024
in
openLCA
by
Volcanick
(
120
points)
openlca
flows
railways
+1
vote
1
answer
1.3k
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
1
answer
1.2k
views
No impact analysis results gained
asked
Aug 15, 2024
in
openLCA
by
Grace15
(
140
points)
impact analysis
openlca
calculation
results
flows
0
votes
0
answers
770
views
No elemnetry flow is found for CO2 emission to lake water
asked
Jul 30, 2024
in
openLCA
by
Mehsad
(
160
points)
flows
input output
database
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