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Call key data
Effects of CO2-stream impurities on CO2 transport and storage
Funding Program
Horizon Europe: Cluster 5 - Climate, Energy and Mobility
Call number
HORIZON-CL5-2025-02-D3-25
deadlines
Opening
06.05.2025
Deadline
02.09.2025 17:00
Funding rate
100%
Call budget
€ 10,000,000.00
Estimated EU contribution per project
€ 5,000,000.00
Link to the call
Link to the submission
Call content
short description
The design and safe operation of a CO2 transport and storage system represents specific challenges as it involves CO2 streams at different flow rates, pressures and states (liquid, gaseous, super critical, dissolved in water), and with different compositions and impurities. The presence of impurities will change the chemical and thermophysical properties with respect to a pure CO2 fluid.
Call objectives
Based on the application chosen (either transport or storage), projects have to deliver:
- Recommendations for design and operation of pipelines and/or ship offloading, including recommendations for public health and safety requirements and for protective and/or mitigating material and/or approaches and/or monitoring technology to avoid adverse effects on the integrity of the relevant transport infrastructure caused by impurities;
- Recommendations for public health and safety requirements and for protective and/or mitigating material and/or approaches and/or monitoring technology to avoid adverse effects on the integrity of the storage complex;
- Guidance and recommendations for technology providers, regulatory authorities, certification and standardisation bodies, and define and implement ambitious dissemination actions to promote the project results and support their uptake.
Expected effects and impacts
Projects can address, for example, the following issues:
- Transient flow modelling along the pipeline network and;
- Combined thermodynamic and corrosion modelling to predict corrosion rates under different conditions;
- Reactive transport and geochemical modelling of the storage reservoir in the near-well zone, including associated geological barriers to leakage;
- Generation of experimental data on the geochemical reactions of reservoir rocks, caprocks, well cements and fault seals exposed to impure CO2 under the span of pressure and temperature regimes relevant for planned and future storage projects in saline aquifers, depleted hydrocarbon reservoirs and or mafic and ultra mafic formations for mineral storage of CO2, to tune existing and/or new models;
- Generation of experimental data on thermophysical and corrosive properties of CO2-rich mixtures under CCS-relevant conditions, to tune existing or new models;
- Impact of impurities on various equipment (e.g., valves, gaskets, compressors, instrumentation), in particular on non-metallic components in the CO2 transportation system;
- Impact of impurities on the physical behaviour and geochemical interaction of the CO2 stream within the storage complex;
- Impact of achieving very low impurity levels on the relative costs of competing capture technologies and the trade-off with costs for CO2 transportation and geological storage;
- Development of a systematic method to understand limits for impurities and define specifications for transport and storage infrastructure.
The use of the European Research Infrastructure for CO2 Capture, Utilisation, Transport and Storage ECCSEL is encouraged but not mandatory.
Selected projects are encouraged to seek synergy with possible standardisation activities performed by CEN, CENELEC, ISO and ETSI on pre-normative research for standards for the transport and permanent storage of carbon dioxide.
International cooperation is encouraged, in particular with projects or partners from the United States.
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Expected results
When CO2 is transported in pipelines at conditions close to its critical temperature and pressure, the impact of impurities on the thermophysical properties can become substantial. High levels of CO2 stream purity must be achieved to avoid two-phase flow during pipeline transportation. In addition, reactive impurities can form strong acids giving unacceptable corrosion of pipelines, tubings and ships, and can impact on injectivity, well integrity and seal integrity of geological storage sites. Directive 2009/31/EC regulates that CO2 streams, while they may contain incidental associated substances from the source, capture or injection process, the concentrations of these substances should be below levels that would adversely affect the integrity of the storage site or the relevant transport infrastructure and not pose a significant risk to the environment or human health. Member States should ensure that storage site operators only accept and inject CO2 streams if a risk assessment shows that these conditions are met.
The Communication on Industrial Carbon Management underlines the need for pre-normative research on the physical and chemical behaviour of impure CO2 in order to contribute to relevant guidelines and standardisation work. This was also emphasised in a report prepared by a stakeholder group on CO2 standards under the CCUS Forum.
Project results are expected to contribute to all of the following expected outcomes:
- Contribution to an accurate understanding of the effects of impure (and possibly corrosive) CO2 flows along the transport network (in particular pipelines and shipping) or in the storage complex in line with Art. 12 of Directive 2009/31/EC, including any engineered or geological barriers to leakage in the near-well region;
- Inform relevant guidelines and contribute to standardisation work through improved understanding of the physical and chemical behaviour of impure CO2.
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Eligibility Criteria
Regions / countries for funding
Moldova (Moldova), Albania (Shqipëria), Armenia (Հայաստան), Bosnia and Herzegovina (Bosna i Hercegovina / Босна и Херцеговина), Canada, Faeroes (Føroyar / Færøerne), Georgia (საქართველო), Iceland (Ísland), Israel (ישראל / إِسْرَائِيل), Kosovo (Kosova/Kosovë / Косово), Montenegro (Црна Гора), New Zealand (Aotearoa), North Macedonia (Северна Македонија), Norway (Norge), Serbia (Srbija/Сpбија), Tunisia (تونس /Tūnis), Türkiye, Ukraine (Україна), United Kingdom
eligible entities
EU Body, Education and training institution, Non-Profit Organisation (NPO) / Non-Governmental Organisation (NGO), Other, Private institution, incl. private company (private for profit), Public Body (national, regional and local; incl. EGTCs), Research Institution incl. University, Small and medium-sized enterprise (SME)
Mandatory partnership
Yes
Project Partnership
To be eligible for funding, applicants must be established in one of the following countries:
- the Member States of the European Union, including their outermost regions
- the Overseas Countries and Territories (OCTs) linked to the Member States
- countries associated to Horizon Europe - see list of particpating countries
Only legal entities forming a consortium are eligible to participate in actions provided that the consortium includes, as beneficiaries, three legal entities independent from each other and each established in a different country as follows:
- at least one independent legal entity established in a Member State; and
- at least two other independent legal entities, each established in different Member States or Associated Countries.
Any legal entity, regardless of its place of establishment, including legal entities from non-associated third countries or international organisations (including international European research organisations) is eligible to participate (whether it is eligible for funding or not), provided that the conditions laid down in the Horizon Europe Regulation have been met, along with any other conditions laid down in the specific call topic.
A ‘legal entity’ means any natural or legal person created and recognised as such under national law, EU law or international law, which has legal personality and which may, acting in its own name, exercise rights and be subject to obligations, or an entity without legal personality.
other eligibility criteria
Specific cases:
- Affiliated entities (i.e. entities with a legal or capital link to a beneficiary which participate in the action with similar rights and obligations to the beneficiaries, but which do not sign the grant agreement and therefore do not become beneficiaries themselves) are allowed, if they are eligible for participation and funding.
- Associated partners (i.e. entities which participate in the action without signing the grant agreement, and without the right to charge costs or claim contributions) are allowed, subject to any conditions regarding associated partners set out in the specific call conditions.
- Entities which do not have legal personality under their national law may exceptionally participate, provided that their representatives have the capacity to undertake legal obligations on their behalf, and offer guarantees to protect the EU’s financial interests equivalent to those offered by legal persons.
- Legal entities created under EU law (EU bodies) including decentralised agencies may be part of the consortium, unless provided for otherwise in their basic act.
- International European research organisations are eligible to receive funding. International organisations with headquarters in a Member State or Associated Country are eligible to receive funding for ‘Training and mobility’ actions or when provided for in the specific call/topic conditions. Other international organisations are not eligible to receive funding, unless provided for in the specific call/topic conditions, or if their participation is considered essential for implementing the action by the granting authority.
- Joint Research Centre (JRC)— Where provided for in the specific call conditions, applicants may include in their proposals the possible contribution of the JRC but the JRC will not participate in the preparation and submission of the proposal. Applicants will indicate the contribution that the JRC could bring to the project based on the scope of the topic text. After the evaluation process, the JRC and the consortium selected for funding may come to an agreement on the specific terms of the participation of the JRC. If an agreement is found, the JRC may accede to the grant agreement as beneficiary requesting zero funding or participate as an associated partner, and would accede to the consortium as a member.
- Associations and interest groupings — Entities composed of members (e.g. European research infrastructure consortia (ERICs)) may participate as ‘sole beneficiaries’ or ‘beneficiaries without legal personality’. However, if the action is in practice implemented by the individual members, those members should also participate (either as beneficiaries or as affiliated entities, otherwise their costs will NOT be eligible.
- EU restrictive measures — Entities subject to EU restrictive measures under Article 29 of the Treaty on the European Union (TEU) and Article 215 of the Treaty on the Functioning of the EU (TFEU) as well as Article 75 TFEU, are not eligible to participate in any capacity, including as beneficiaries, affiliated entities, associated partners, third parties giving in-kind contributions, subcontractors or recipients of financial support to third parties (if any).
- Legal entities established in Russia, Belarus, or in non-government controlled territories of Ukraine — Given the illegal invasion of Ukraine by Russia and the involvement of Belarus, there is currently no appropriate context allowing the implementation of the actions foreseen in this programme with legal entities established in Russia, Belarus, or in non-government controlled territories of Ukraine. Therefore, even where such entities are not subject to EU restrictive measures, such legal entities are not eligible to participate in any capacity. This includes participation as beneficiaries, affiliated entities, associated partners, third parties giving in-kind contributions, subcontractors or recipients of financial support to third parties (if any). Exceptions may be granted on a case-by-case basis for justified reasons.
With specific regard to measures addressed to Russia, following the adoption of the Council Regulation (EU) 2024/1745 of 24 June 2024 (amending Council Regulation (EU) No 833/2014 of 31 July 2014) concerning restrictive measures in view of Russia’s actions destabilising the situation in Ukraine, legal entities established outside Russia but whose proprietary rights are directly or indirectly owned for more than 50% by a legal person, entity or body established in Russia are also not eligible to participate in any capacity. - Measures for the protection of the Union budget against breaches of the principles of the rule of law in Hungary — Following the Council Implementing Decision (EU) 2022/2506, as of 16 December 2022, no legal commitments can be entered into with Hungarian public interest trusts established under the Hungarian Act IX of 2021 or any entity they maintain. Affected entities may continue to apply to calls for proposals and can participate without receiving EU funding, as associated partners, if allowed by the call conditions. However, as long as the Council measures are not lifted, such entities are not eligible to participate in any funded role (beneficiaries, affiliated entities, subcontractors, recipients of financial support to third parties, etc.).In case of multi-beneficiary grant calls, applicants will be invited to remove or replace that entity in any funded role and/or to change its status into associated partner. Tasks and budget may be redistributed accordingly.
Additional information
Topics
Relevance for EU Macro-Region
EUSAIR - EU Strategy for the Adriatic and Ionian Region, EUSALP - EU Strategy for the Alpine Space, EUSBSR - EU Strategy for the Baltic Sea Region, EUSDR - EU Strategy for the Danube Region
UN Sustainable Development Goals (UN-SDGs)
Additional Information
Applications must be submitted electronically via the Funders & Tenders Portal electronic submission system (accessible via the topic page in the Search Funding & Tenders section). Paper submissions are NOT possible.
Applications must be submitted using the forms provided inside the electronic submission system (not the templates available on the topic page, which are only for information). The structure and presentation must correspond to the instructions given in the forms.
Applications must be complete and contain all parts and mandatory annexes and supporting documents.
The application form will have two parts:
- Part A (to be filled in directly online) contains administrative information about the applicant organisations (future coordinator and beneficiaries and affiliated entities), the summarised budget for the proposal and call-specific questions;
- Part B (to be downloaded from the Portal submission system, completed and then assembled and re-uploaded as a PDF in the system) contains the technical description of the project.
Annexes and supporting documents will be directly available in the submission system and must be uploaded as PDF files (or other formats allowed by the system).
The limit for a full application (Part B) is 50 pages.
Eligible costs will take the form of a lump sum as defined in the Decision of 7 July 2021 authorising the use of lump sum contributions under the Horizon Europe Programme – the Framework Programme for Research and Innovation (2021-2027) – and in actions under the Research and Training Programme of the European Atomic Energy Community (2021-2025). It is mandatory to submit a detailed budget table using the template available in the Submission system.
In order to ensure a balanced portfolio of activities covering either (i) transport infrastructure or (ii) storage infrastructure, grants will be awarded not only in order of ranking but at least also to one proposal that is the highest ranked within each area, provided they attain all thresholds (and subject to available budget).
Call documents
Horizon Europe Work Programme 2025 Cluster 5 - Climate, Energy and MobilityHorizon Europe Work Programme 2025 Cluster 5 - Climate, Energy and Mobility(2548kB)
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