KIT – University of the State of Baden-Wuerttemberg and

National Research Center of the Helmholtz Association

Institute for Nuclear Waste Disposal (INE)

www.kit.edu

CROCK Crystalline Rock Retention Processes

Thomas Rabung

EURADISS, 25th-26th October 2012, Montpellier

FP7, EURATOM Collaborative Project

Crystalline Rock Retention Processes

(CROCK)

Project Presentation/Organization/Output

Special focus on dissemination of knowledge

Duration: January 2011 – June 2013 (30 months)

Grant Agreement Number 269658

The research leading to these results has received funding from the European

Atomic Energy Community's Seventh Framework Programme (FP7/2007-2011)

under grant agreement No. 269658 (CROCK)".

- Decreasing the uncertainty in the long-term prediction of the radionuclide migration

in the crystalline rock far field (problem identified by national Waste Management Organizations)

- Selection of data for the disposal safety case: large spread in data

Experimental program reaches from nano-resolution to the PA relevant real site

scale

- Increase of process understanding in the transport simulations, increasing confidence

in PA

- Modeling includes testing up-scaling process and parameters for the application in PA

- Communication and dissemination to inform interested parties about the project and its

outcome

Overall Objective of the Project

10 Beneficiaries

+

5 EUCG members

from

6 different countries

Budget (contribution from EU):

1,057,927.4 €

CROCK Consortium

No Name Short Name Country

1 Karlsruher Institut fuer Technologie KIT Germany

2 AMPHOS 21 CONSULTING SL AMPHOS Spain

3

CENTRE DE INVESTIGACIONES ENERGETICAS,

MEDIOAMBIENTALES Y TECHNOLOGICAS-CIEMAT CIEMAT Spain

4 Helmholtz-Zentrum Dresden-Rossendorf e.V. HZDR (formerly

FZD)

Germany

5 CHALMERS TEKNISKA HOEGSKOLA AB CTH Sweden

6 USTAV JADERNEHO VYZKUMU REZ A.S. NRI Czech Republic

7 CONTERRA AKTIEBOLOG CONTERRA Sweden

8 M V LOMONOSOV MOSCOW STATE UNIVERSITY MSU Russian

Federation

9 TEKNOLOGIAN TUTKIMUSKESKUS VTT VTT Finland

10 KEMAKTA KONSULT AB KEMAKTA Sweden

CROCK beneficiaries

End Users Consultancy Group (EUCG):

The EUCG is a group specifically set up within the project in order to

represent the interests of the end users to the project and its desired

outcome.

To this aim, the composition of the EUCG includes organizations

representing national waste management or national regulatory interests

and competence.

Amongst others, their role will be to inform the project about the main

strategic research interests of the end-users and on how the knowledge

generated within the project should be formulated so that it can be

integrated within the Safety Case. Review the scientific-technical papers for

the proceedings of the Project Workshops.

- SKB (Svensk Kärnbränslehantering AB, Sweden), Ignasi

Puigdomenech

- POSIVA (Posiva Oy, Finnland), Lasse Koskinen

- RAWRA (Radioactive Waste Repository Authority, Czech

Republic), Jitka Miksowa

- SSM (Stralsäkerhetsmyndigheten, Sweden), Shulan Xu

- STUK (Radiation and Nuclear Safety Authority, Finland), Ari

Luukkonen

CROCK EUCG members

Management structure and procedures

General

Assembly

End-User

Group

WP8 WP7

ExComCoordination

team

WP6

WP1 WP3WP2 WP4 WP5

ModelingExperimental

Coordination team: Coordinator: KIT, Coordination Secretariat: AMPHOS 21.

Project management, management and dissemination of knowledge, training

End-User Consultancy Group (EUCG): consists of Waste Management Organizations

and Regulators.

Support the project by review and implementation of the project results for the disposal safety case

ExCom:

all the WP leaders.

General Assembly:

represents all the

beneficiaries.

Coordination Team (CT):

The composition of the CT is based on two organizations, namely the

Coordinator (KIT) and the Coordination Secretariat (AMPHOS):

- Project Coordinator (Thomas Rabung, KIT-INE)

- Scientific-Technical Coordination Support (Jorge Molinero, AMPHOS)

- Knowledge Management and Dissemination Officer (Vanessa Montoya/

David Garcia, AMPHOS)

- Administrative Officer (Vanessa Montoya/David Garcia, AMPHOS)

- Financial Officer (Natascha Kindsvogel, KIT-FIMA), and

- Legal Officer (Kerstin Sauer, KIT-Recht)

The responsibility of the CT are:

- Overall functioning of the project work and activities,

- Communication between the project and the Commission,

- Monitoring of the use of resources and transferring financial resources, as appropriate,

- Documentation of the project achievements and outcomes and

- Dissemination and communication of these achievements outside the project

Executive Committee (ExCom):

The ExCom consists of the workpackage (WP) leaders:

WP1: Thomas Rabung, KIT-INE

WP2: Tiziana Missana, CIEMAT

WP3: John Smellie, CONTERRA

WP4: James Crawford, KEMAKTA

WP5: Jorge Molinero, AMPHOS

WP6: David Arcos/ Andres Idiart, AMPHOS

WP7: Vanessa Montoya, David Garcia AMPHOS

WP8: Vanessa Montoya, David Garcia AMPHOS

The tasks of the ExCom are:

- Providing the basis for proper operation of the respective workpackages, including identification of

problems, making suggestions for supporting remediation measures,

- Providing guidance for the overall implementation of the project, and

- Supporting harmonization of the different project activities towards the common objectives,

- Reporting of the activities within each WP and monitoring of the state of the WP deliverables,

- Prepare and report the project activities as well as any problem arising and remedial actions to and for

decision by the General Assembly.

General Assembly (GA):

- The GA consists of all the Beneficiaries to the project.

- GA meetings are organized in conjunction with the project workshops.

- Attendance in the GA meetings is restricted to the project beneficiaries.

Associated groups can be invited without voting rights.

The role of the GA is:

- Ensuring that interests of Beneficiaries are reflected

- To guide project implementation

- To accept all formal decisions of significant importance for the project

- Project management issues are discussed and adopted in GA meetings

- Minutes of the GA project meetings will be delivered to the EC via SESAM Web

tool

The responsibility of the GA is to act as decision making body regarding any of

the issues requiring considerable changes to the grant agreement and any other

changes as defined in the consortium agreement together with the rules for

decision.

List of workpackages (WP)

WP

No WP title

Type of

Activity

Lead

organization

Person-

months

Start

month

End

month

WP 1 Experimental material and

characterization RTD KIT-INE 19.5 1 18

WP 2 Radionuclide transport and

sorption studies RTD CIEMAT 67.5 6 27

WP 3 Real system analysis RTD CONTERRA 7.5 3 27

WP 4 Conceptualization and modeling RTD KEMAKTA 37.5 6 27

WP 5 Application to the Safety Case RTD AMPHOS 25.5 6 27

WP 6 Documentation RTD AMPHOS 13 1 30

WP 7 Knowledge management,

dissemination and training Other AMPHOS 4.5 1 30

WP 8 Project management Manage

ment AMPHOS 4 1 30

Sum: PM: 179

WORKPACKAGE 1

EXPERIMENTAL MATERIAL AND CHARACTERIZATION

- Organizing new drill-core samples from Äspö URL, sampled and handled under anoxic

conditions. Fractured and intact material.

- Samples from previous studies also accessible

- Providing new drill-cores with/without fractures, discs, crushed material

- Detailed chemical/mineralogical characterization, including structure and properties of

accessible fluid systems (porosity, hydraulic conductivities etc.)

- BET surface area for different size fractions of crushed material, natural homologue

bahaviour

WORKPACKAGE 2

RADIONUCLIDE TRANSPORT AND SORPTION STUDIES

- Determination of radionuclide (U(VI), Tc(VII), Cs(I), Eu(III)) transport properties on

crystalline rock systems over different spatial scales.

- To achieve this objective, radionuclide transport and sorption experiments are conducted

on samples of scales from small batch experiments to large block-scale. The experiments

will be designed so that sorption and transport parameters can be determined and help

in the modelling of WP 4 and 5.

0 10 20 30 40 50 60 70 80 90 100

0

20

40

60

80

100

Tc s

orb

ed (

%)

time (days)

Unoxidized ÄD

1E-5 M

1E-8 M

1E-9 M

Oxidized ÄD

1E-5 M

1E-8 M

1E-9 M Tc sorption kinetics at different Tc concentrations

on oxidized and un-oxidized Äspö diorite.

WORKPACKAGE 3

REAL SYSTEM ANALYSIS

- Assess the matrix diffusion processes based on natural inert tracer profiles away

from fractured surfaces in real system samples.

- Study the behavior of radionuclides in the crystalline rock far-field based on data

generated on natural chemical homologues from previous and ongoing studies,

as well as data from sample characterization (WP1).

Forsmark site visualisation of the hydrochemical data along cross-section

WNW-ESE (Smellie et al., 2008).

WORKPACKAGE 4

CONCEPTUALIZATION AND MODELLING

The general objective is to conceptualize and model radionuclide transport processes on

systems at different scales. The specific aims of this workpackage are:

- Identify key processes governing the overall retention phenomenological observations.

- Develop models for processes description, including different scales and different

types of radionuclides, in support to WP5.

- Identify main sources of uncertainty in processes and parameters, identify how these un-

certainties can be decreased, and show how this can be achieved through the project results.

- Test consistency between different models and approaches applicable to different spatial scales

0.001

0.01

0.1

1

1 10 100 1000

Rd

(m3/k

g)

contact time (days)

0.001

0.01

0.1

1

1 10 100 1000

Rd

(m3/k

g)

contact time (days)

Am(III) meas data (0.063-0.125 mm)

Am(III) meas data (0.5-1 mm)

Am(III) meas data (1-2 mm)

An example of a transport modelling interpretation

(curves) of Rd measurementdata for Am(III) sorption

plotted as a function of contact time. The data are

based on triplicate measurements for a crushed sample

of Forsmark metagranite and three different crushed

particle size fractions in contact with a non-saline,

synthetic groundwater.

WORKPACKAGE 5

APPLICATION TO THE SAFETY CASE

- Describe how the outcome of the other WPs can be brought forward to application in

the Safety Assessment, thereby decreasing the uncertainty relative to the previous situation

- Describe how the overall findings can be applied in future site characterizations.

0 1000 2000 3000 4000 5000 6000 7000 8000 9000 100000

1

2

3

4

5

6

7

time (y)

rela

tive

co

nce

ntr

atio

n (

C/C

0)

Ra breakthrough curve (variable Kd)

Saline groundwater pulse

Breakthrough characteristic (dark blue curve) for Ra2+

migration considering advective transport and matrix diffusion

under the influence of alternating fresh and saline

groundwater pulses (light blue curve) of 2 ka duration and

non-linear sorption. The aquifer is initially equilibrated with

fresh groundwater and the Ra2+ source boundary condition

is a single extended pulse of 4 ka duration (initiating at t = 0 y).

The red and green curves show the breakthrough curves

obtained for the limiting constant Kd cases for saline

(Kd = 10-3 m3/kg) and meteoric (Kd = 7.4 10-2 m3/kg)

groundwater, respectively.

WORKPACKAGE 6

DOCUMENTATION

Compile and document the state-of-the-art at the beginning of the project, in a form

that serves the purpose of regular updating of the advances achieved within the project.

WORKPACKAGE 7

Knowledge management, dissemination and training

1. Development and continuous up-dating of WEB portal of the project

http://www.crockproject.eu/

2. Preparation and updating of a generic poster

presenting the project to be shown at

different International Conferences

3. Project presentation which refers to the

4-page text required by the EC for

publication in the catalogue of funded projects

4. Preparation of a Communication Action Plan

5. Organization of the program for the Annual Workshops and training activities,

including content and format of electronic brochures for the

announcements and the workshop programmes.

……………

Project Workshops

2 Project Workshops: May 2012 Stockholm (3 days, 32 participants)

May 2013 Karlsruhe (3 days)

+ 1 Kick-off Meeting (February 2011, Barcelona, 2 days,

29 participants)

- ExCom, EUCG meetings

- Presentation of workpackage outcomes

- Scientific-technical poster sessions

- Topical sessions (in Stockholm 2012: “reactive transport modelling”, 8

presentations)

- General Assembly, including acceptance of past activities and decisions on

forthcoming ones

External participation is desired

Public workshop proceedings with scientific-technical results:

Builds on scientific-technical contributions by the partners

6. Production and editing of annual newsletters giving information on the progress

of the project, tailored to external interesting communities.

Available on the WEB page

7. Production and edition of the proceedings of the Annual Workshops.

The proceedings will include

- scientific and technical

contributions of

each beneficiariy

reviewed by

the End-User group.

- summaries of the WP’s

Proceedings will be made available to a broader community:

- download from the CROCK WEB page

or as a KIT report (http://www.ksp.kit.edu)

- acquisition from AMAZON

Draft-version can be

downloaded from the

WEB page , Vanessa Montoya (eds.)

8. Documenting the participation, presentation and publication of the project or

results originated from the project at international conferences:

- International Conference on the Chemistry and Migration Behaviour of Actinides and Fission

Products in the Geosphere, in 2011 (Beijing) and 2013 (Brighton)

- International Conference on Nuclear and Radiochemistry, Como (Italy), September 2012

- Interdisciplinary Physics with Ion Beams: Status and Perspectives - LNL Users Workshop,

Legnaro (Italy), June 2011

- Ion Beams’12: Multidisciplinary Applications of Nuclear Physics with ions beams Conference,

Legnaro (Italy), June 2012

- XXXV International Symposium “Scientific Basis for Nuclear Waste Management”,

Buenos Aires (Argentina), July 2011

Additional dissemination

- Peer-reviewed publications

- Publishable Summary (5 pages)

ftp://ftp.cordis.europa.eu/pub/fp7/euratom-fission/docs/crock-publishable-summary-period-1.pdf

Training

- 8 PhD students are involved in the project

- Special topical sessions within the Annual Workshops

(2012: Reactive Transport Modelling)

(2013: in-situ study experiments)

- F. Huber (postdoc KIT-INE) training course about reactive transport modelling at Amphos

(3 months)

List of Deliverables (23) and Milestones (2)

WORKPACKAGE 8

Administrative and Financial Project management

- Provide adequate administrative, legal and financial management.

- Management and activity reports

Summary of dissemination of knowledge within CP CROCK

Everything is available !

One only has to find it……..