lca of algal products: state of the art and …...lca of algal products: state of the art and...
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LCA of algal products:state of the art and perspectives
Dr Guido Reinhardt
AlgaeEurope 2016Madrid, 13-15 December 2016
ifeu – Institute for Energy andEnvironmental Research Heidelberg
Who we are – What we do
IFEU - Institute for Energy and Environmental Research Heidelberg, since 1978
• Independent scientific research institute
• Organised as a private non profit company with currently about 70 employees
• Research / consulting on environmental aspects of- Energy (including Renewable Energy)- Transport- Waste Management- Life Cycle Analyses - Environmental Impact Assessment- Renewable Resources- Environmental Education
Who we are - What we do
IFEU focuses regarding the topic of biomass
• Research / consulting on environmental aspects of- transport biofuels- biomass-based electricity and heat- biorefinery systems- biobased materials- agricultural goods and food- cultivation systems (conventional agriculture,
organic farming, etc.)
• Potentials and future scenarios
• Technologies / technology comparisons
• CO2 avoidance costs
• Sustainability aspects / valuation models
IFEU work on algae: PUFAChain project
Call KBBE.2013.3.2-02: The CO2 algae biorefinery
Project title PUFAChain – The Value Chain from Microalgae to PUFA
Grant Agreement No. 613303
Duration 48 months
Start 1st November 2013
End 31th October 2017
No. of participants 9 partners from 4 different countries
Total estimated costs 7,149,939.60 Euro
Total EU contribution 5,124,066.00 Euro
IFEU work on algae: D-Factory project
Call KBBE.2013.3.2-02: The Micro Algae Biorefinery
Project title D-Factory – The Micro Algae Biorefinery
Grant Agreement No. 613870Duration 48 monthsStart 1st December 2013End 30th November 2017No. of participants 13 partners from 8 different countries
Total estimated costs 10,083,863.00 EuroTotal EU contribution 7,177,440.00 Euro
Hafren Investments
TREMOD: Transport Emission Model• Modelling emissions of road vehicles, trains, ships and airplanes
• Official database of the German Ministries for emission reporting
Life cycle assessments (LCA) and technology impact assessments since 1990:
• Biofuels (all biofuels, all applications)
• Biobased materials, food & feed
• Renewable Energy
Who we are - What we do
Who we are - What we do
IFEU - Institute for Energy and Environmental Research Heidelberg, since 1978
• Our clients (on biofuel / biomass studies)- World Bank- UNEP, UNIDO, FAO, UNFCCC, GIZ, etc. - European Commission: several DGs- National and regional Ministries- Associations (national and international) - Local authorities- WWF, Greenpeace, Friends of the Earth etc.- Companies (Daimler, Coca Cola, German Telekom, etc.)- Foundations (German Foundation on Environment, British
Foundation on Transport etc.)
25 plus years of experience
1991
First full life cycle balance on biodiesel in Europe
Energie- und CO2-Bilanz von Rapsöl und Rapsölester
im Vergleich zu Dieselkraftstoff
Endbericht
F + E-Vorhaben des UmweltbundesamtesNr. 104 08 508/02
ifeu – Institut für Energie- undUmweltforschung Heidelberg
Fachbereich „Verkehr und Umwelt“
Dezember 1991
IFEU core biomass team
Nils Rettenmaier
Guido Reinhardt
Martina Krüger Heiko Keller
Susanne Köppen
Sven Gärtner
Tobias Schmidt
Regine Vogt
Bernd Franke
Horst Fehrenbach
Andreas Detzel
LCA of algal products:state of the art and perspectives
Dr Guido Reinhardt
AlgaeEurope 2016Madrid, 13-15 December 2016
ifeu – Institute for Energy andEnvironmental Research Heidelberg
Life cycle comparison
Conventional product Credits
Resource extraction
Fertiliser
Fuel Pesticides
Aqua-culture
Raw material
production
Utilisation
Transport
Processing Co-products
Fallow maintenance
Equivalent products
Reference system
IFEU 2016
Algae based bioproduct
Product or system
Environmental advantages and disadvantages:
+• CO2 neutral• Save energetic resources• Organic waste reduction• Less transport• etc.
–• Land use• Eutrophication of surface water• Water pollution by pesticides• Energy intensive production• etc.
Total: positive or negative
?
Goal and scope definition
Inventory analysis
Impact assessment
Inter-preta-tion
ISO 14040 & 14044
Life cycle assessment (LCA)
LCA on algae
• There is a trend towards algae biorefinery concepts with non-fuel products such as neutraceuticals.
Findings
Currently studied products(examples)
Past publications Current publications
© R. Hevner 2014 / ifeu 2014
essential terpenes, carrageenan, biostimulants, specialty feed etc.
Glycerol
© Pixelio, Rainer Sturm
Carotenoids
Example: Algae biorefinery
Dunaliella
Dunaliellabiorefinery
Auxiliarymaterials Energy
β-carotene
Glycerol
Proteins
Waste water
WastePictures: NBT 2014 / R. Hevner 2014
Conventionalβ-carotene
Technicalglycerol
Conventionalproteins
Alagaeculture
EC funded project: D-Factory
Macroalgae / seaweed
© Wikimedia Commons, StinaTano
Trending technologies, no success stories yet.
Potential advantages regarding:– Land use (less competition for marine areas)– Energy for harvesting (“sieves” vs. centrifuges etc.)
However, macroalgae are cultivated partially inlandin raceways or photobioreactors.
• There is a trend towards algae biorefinery concepts with non-fuel products such as neutraceuticals.
• New algae species are explored including macroalgae.
Findings
Enlarge the scope of algae based production systemstowards all application options and value chains.
LCAs on algae: results
Hundreds of specific and valuable results available
• There is a trend towards algae biorefinery concepts with non-fuel products such as neutraceuticals.
• New species are explored including macroalgae.
Enlarge scope of algae based production systems towards all application options and value chains.
• Big potential to mitigate GHG and save fossil resources, though not in all cases.
• Burdens regarding some environmental impacts with patterns similar to those of biofuel LCAs.
Findings
Not all products from algae are associated with environmental benefits nor sustainable – just because they are “bio”.
LCA results: bio-products
-1 -0.5 0 0.5 1 1.5 2
Energy savings
Greenhouse effect
Acidification
Terrestrial eutrophication
Photosmog
Ozone depletion
Human toxicity
IE per hectare
Source: IFEU 2014
126 %91 %
77 %
75 %
67 %
Extra savings
Advantages Disadvantages
Reduction
Rape seed based
Algae based
LCA results: bio-products
-1 -0.5 0 0.5 1 1.5 2
Energy savings
Greenhouse effect
Acidification
Terrestrial eutrophication
Photosmog
Ozone depletion
Human toxicity
IE per hectare
Source: IFEU 2014
126 %91 %
77 %
75 %
67 %
Extra savings
Advantages Disadvantages
Reduction
Rape seed based
Algae based
There is a high potential – far above average –for algae based products being environmentalfriendly.
It is worth to continue investigations and especiallyimprovements of algae based product systems torealize these potentials in future.
Not all bio-products from algae such as bio-energy, bio-chemicals or bio-nutrients are associated with environmental benefits nor sustainable – just because they are “bio”.
There is a high potential – far above average – for algae based products being environmental friendly. Therefore: intensify investigations on algae related projects.
Take home messages
LCA works very well for both, to identify the environ-mental implications and to improve the system or product. It helps to realize these potentials in future.
Need to perform a LCA for each algae based production system investigated to direct science, industry and policy.
Agenda
• Latest LCAs on algae: findings
• Developments in algae LCA quality
• LC-EIA as a LCA supplement
• Conclusions and recommendations
LCA: Life cycle assessment
LCA on algae
GHG only !!!
LCA on algae
LCAs of algae based products: until mid 2015
All publications listed: GHG only, some includealso energy savings
By far not a LCA !
LCAs of algae based products
Limited environmental impacts– e.g. GHG (& energy) only
Goal & scope definition not sufficient– e.g. no goal definition, no functional unit,
cradle to gate etc.
Processes / parameters not considered– CO2 as input, use phase etc. not considered
Technical limitations in some publications
LCAs of algae based products
Limited environmental impacts– e.g. GHG (& energy) only
Goal & scope definition not sufficient– e.g. no goal definition, no functional unit,
cradle to gate etc.
Processes / parameters not considered– CO2 as input, use phase etc. not considered
Technical limitations in some publications
Simple solution in some cases:
Don’t promise more than you can deliver.
Life cycle GHG emissions (not „LCA“) LCA (not „environmental assessment“) Cradle to gate / well to tank ≠ life cycle
LCA Journal
LCAs of algae based products: latest highlights
Largely meetingLCA qualitystandards
LCAs of algae based products
More technically adequate LCAs– higher number and higher share
Fewer limitations in insufficient LCAs– e.g. more impacts covered in most publications
Last year’s technical improvementsMid 2014 – mid 2015
~20 %Mid 2015 – mid 2016
33 %
Still a lot of room for improvement!
Agenda
• Latest LCAs on algae: findings
• Developments in algae LCA quality
• LC-EIA as a LCA supplement
• Conclusions and recommendations
LCA: Life cycle assessmentLC-EIA: Life Cycle Environmental Impact Assessment
Example: PUFA: life cycle comparisons
Many local and regional environmental implications of great importance are not addressed in LCA of today
PUFAAlgae PUFA
Fishery
Fish farms
Oil crops
PUFA: poly-unsaturated fatty acids
Need to supplement LCA methodology by a respective assessment tool
LCA LC-EIA Global impacts Site-specific impacts
Methodologies
Environmental assessment
Life cycle assessment (LCA)
Life cycle environmental impact assessment (LC-EIA)
Water
Climate / Air
Flora, Fauna, Biodiversity
Soil
Landscape
Cultural heritage
Humans
Interactions
Compartments of the environment
Quelle: IUS 2009
Environmental assessment
Water
Climate / Air
Flora, Fauna, Biodiversity
Soil
Landscape
Cultural heritage
Humans Interactions
Source: IUS 2013 & IFEU 2009
Environmental assessment
LC-EIA: Life cycle environmental impact assessment
Resourceextraction
Fertiliser
Fuel Pesticides
AquacultureRaw
material production
Utilisation
Transport
Processing
Conventional product
Bioproduct (from algae)
Impact category: A = minimum impact; E = maximum impact
non rsl: non-rotational fallow set-aside land, no cropping; cer.: cerrado (topical savannah);rsl: rotational set-aside fallow land, no cropping; conv. use: conventional use
CCCCCCCLoss of landscape elements
DDDDCECLoss of habitat / species diversity
EEEEEEBWeed control / pesticidesCCEDCDDWater demand
DDDDDDBNutrient leaching, Eutrophication
DDEDDDCSoil chemistry / fertiliserDDEDDEBSoil organic matterCCECCDASoil compactionCCECCCBSoil erosion
conv. userslrslrslrslcerr.non rsl
Referencescenario
Type of risk
Cereal strawCereal Sugar
beetSorghumRapeseedSugar cane
Arundo donaxFeedstock
ResiduesAnnual cropsPerennial crops
CCCCCCCDDDDCECEEEEEEBCCEDCDDDDDDDDBDDEDDDCDDEDDEBCCECCDACCECCCB
Source: IUS 2013
Results of an LC-EIA (example: comparisons)
Ranking by 5 categories: ++ + 0 ─ ─ ─
Environment
ArundoFibre sorghum
Wheat straw
Marginal land (Arundo)
BTL (Arundo)
Wheat ethanol
Beet ethanol
Cane ethanol (Brazil)
Rape seed biodiesel
Maize bio-methane
BIOLYFE scenarios Alternatives to BIOLYFE
─ ─ ─ 0 ─ ─ ─ 0 ─ ─ ─ ─ 0 ─ 0 ─ ─ 0 ─ ─ ─ 0 ─ ─ ─ ─0 ─ 0 ─ ─ 0 ─ ─ ─ ─ ─ ─ ─ 0 ─ ─ ─ ─ ─ ─ ─ ─ ─ ─0 0 0 0 0 0 0 ─ 0 0
WaterSoilFaunaFloraLandscape
Results of an LC-EIA (example: scenarios)
Source: IUS & IFEU 2013
Ranking by 5 categories: ++ + 0 ─ ─ ─
Environment
ArundoFibre sorghum
Wheat straw
Marginal land (Arundo)
BTL (Arundo)
Wheat ethanol
Beet ethanol
Cane ethanol (Brazil)
Rape seed biodiesel
Maize bio-methane
BIOLYFE scenarios Alternatives to BIOLYFE
─ ─ ─ 0 ─ ─ ─ 0 ─ ─ ─ ─ 0 ─ 0 ─ ─ 0 ─ ─ ─ 0 ─ ─ ─ ─0 ─ 0 ─ ─ 0 ─ ─ ─ ─ ─ ─ ─ 0 ─ ─ ─ ─ ─ ─ ─ ─ ─ ─0 0 0 0 0 0 0 ─ 0 0
WaterSoilFaunaFloraLandscape
Source: IUS & IFEU 2013
Results of an LC-EIA (example: scenarios)
LC-EIA (Life cycle environmental impact assessment) …
… exists
… works well
… is applicable
… runs successfully since a few years
… can supplement LCA
Studies with LC-EIA*
Downloads:…www.ifeu.de/biorefineries
* Life Cycle EnvironmentalImpact Assessment
For a conclusive environmental assessment for algae based products combination is necessary, especially if raceways or ponds are involved: LCA plus LC-EIA
Take home message
Fish farmsPUFAAlgae PUFA
Oil crops
Fishery
In quite some algae related projects in the EU already implemented. More to come ?
Agenda
• Latest LCAs on algae: findings
• Developments in algae LCA quality
• LC-EIA as a LCA supplement
• Conclusions and recommendations
LCA: Life cycle assessmentLC-EIA: Life Cycle Environmental Impact Assessment
Take home message 1
Enlarge the scope of algae based production systems and algae biorefineries towards all application options and value chains.
© R. Hevner 2014 / ifeu 2014
Glycerol
Carotenoids
© Wikimedia Commons, StinaTano
Not all bio-products from algae such as bio-energy, bio-chemicals or bio-nutrients are associated with environmental benefits nor sustainable – just because they are “bio”.
There is a high potential – far above average –for algae based products being environmental friendly. Continue with further investigations on algae based products.
Take home messages 2 and 3
-1 -0.5 0 0.5 1 1.5 2
Energy savings
Greenhouse effect
Acidification
Terrestrial eutrophication
Photosmog
Ozone depletion
Human toxicity
IE per hectare
126 %91 %
77 %
75 %
67 %
Extra savings
Advantages Disadvantages
Reduction
Take home message 4.1
Make sure to go for a full comprehensive LCA if you are seriously concerned about the environmental impacts of algae based products. (And add a LC-EIA).
LCAs of algae based products
All publications listed: by far not a LCA !
LCA standards and guidelines should be followed – Unless there is a good reason not to do so– Everything else is just bad practise
LCA is valuable for ex-ante assessment– Limited data particularly requires scenario-based
assessments with sensitivity analyses– It is easy to promise a lot without caring about details
Take home messages 4.2
Don’t jeopardise public trust by empty promises– New promising technologies like algae tend to cause
hypes (including unrealistically positive LCAs)– This is a long term threat for algae and LCA communities– Peer review could sustain quality with suitable experts
Take home message 4.3
Precise questions needed– General purpose accurate descriptions need
data of several years of production at scale– Otherwise, data quality analyses require specific goals
Scenarios on future mature technology – Fair comparison to established technologies– Data extrapolation by experts needed
Data checks and sensitivity analyses – Compare to other sources.– Identify its influence on results and conclusions.
LCA can answer questions despite poor data
?
Take home messages 5 and 6
For a complete identification and optimization, the simultaneous application of both, LCA and LC-EIA, is appropriate, especially if raceways or ponds are involved for algae production.
LCA works very well for both, to identify some environmental implications and to improve the system or product. Need to perform a LCA for each algae based production system investigated to direct science, industry and policy.
LCA LC-EIA Global impacts Site-specific impacts
For the sake of the environment, a biofuel plantation will beestablished here soon.
Acknowledgements
Part of this work was funded by the European Union’s 7th Framework Programme:
• FP7 project PUFAChain(GA number 613303)
• FP7 project D-Factory(GA number 613870)
Thank you for your attentionDr Guido Reinhardt
Contact:
……. [email protected]+ 49-6221-4767-0 (-31)
Downloads: www.ifeu.de