Final Report 31. October 2017 Projectnumber: 840705 Programmsteuerung Programmabwicklung Underground Sun Storage: Final Report Public 13 - January 2020 Seite 1 von 172 Projektkonsortium Ausschreibung e!MISSION.at – 1. Ausschreibung ProjeKtstart 01.Juli 2013 ProjeKtende 30.Juni 2017 GesamtprojeKtdauer 42 Monate (in Monaten) ProjeKtnehmerIn RAG (Institution) AnsprechpartnerIn Hr. DI Stephan Bauer Postadresse 1010 Wien, Schwarzenbergplatz 16 Telefon 0043(0)50724-5377 Fax 0043(0)50724-5383 E-Mail [email protected] www.rag-austria.at; www.underground-sun-storage.at Website Underground Sun Storage: Final Report Public 13 - January 2020 Seite 2 von 172 UNDERGROUND SUN STORAGE Chemical storage of renewable energy in porous subsurface reservoirs with exemplary testbed Authors: RAG Austria AG AXIOM angewandte ProzesstechniK GesmbH VERBUND AG MONTANUNIVERSITÄT LEOBEN UNIVERSITÄT für BodenKultur Wien ENERGIEINSTITUT an der Johannes Kepler Universität Linz Underground Sun Storage: Final Report Public 13 - January 2020 Seite 3 von 172 1 Table of Contents 1 Table of Contents .............................................................................................................. 4 2 Abridgment ........................................................................................................................ 7 3 Introduction ...................................................................................................................... 14 4 Geological, geochemical and geophysical processes in hydrogen bearing porous gas reservoirs ............................................................................................................................... 17 Introduction .............................................................................................................. 17 Integrity of the Cap RocK ......................................................................................... 18 4.2.1 TasK Definition .................................................................................................. 18 4.2.2 Content Presentation ........................................................................................ 19 4.2.3 Results and Conclusions .................................................................................. 20 Changes in the behavior of the storage gas due to hydrogen admixture ................ 20 4.3.1 Introduction ....................................................................................................... 20 4.3.2 TasK description DBI ........................................................................................ 21 4.3.3 DBI content presentation .................................................................................. 21 4.3.4 Results and Conclusions DBI ........................................................................... 22 4.3.5 TasK definition MUL .......................................................................................... 24 4.3.6 Content presentation MUL ............................................................................... 25 4.3.7 Results and conclusions MUL .......................................................................... 28 Transport and diffusion modelling at the University of Leoben ............................... 42 4.4.1 TasK .................................................................................................................. 42 4.4.2 Content presentation ........................................................................................ 42 4.4.3 Results an conclusions ..................................................................................... 44 Artificial reservoir water ........................................................................................... 46 4.5.1 TasK definition .................................................................................................. 46 4.5.2 Content presentation ........................................................................................ 46 4.5.3 Results and Conclusions .................................................................................. 46 Alteration of the reservoir rocK (reservoir alteration) ............................................... 49 4.6.1 TasK definition .................................................................................................. 49 4.6.2 Presentation of content .................................................................................... 49 4.6.3 Results and conclusions ................................................................................... 50 Geochemical Simulation .......................................................................................... 55 4.7.1 TasK definition .................................................................................................. 55 4.7.2 Content representation of the static simulation RAG ....................................... 56 4.7.3 Results and conclusions of the static simulation RAG ..................................... 56 4.7.4 Dynamic Simulation RAG ................................................................................. 60 4.7.5 Content of the MUL simulations ....................................................................... 61 4.7.6 Results and conclusions MUL .......................................................................... 64 Reference to publications and other documents ..................................................... 65 List of references ..................................................................................................... 65 Contact details ......................................................................................................... 67 5 Microbiological processes in hydrogen-loaded reservoirs ............................................... 68 TasK ......................................................................................................................... 68 Underground Sun Storage: Final Report Public 13 - January 2020 Seite 4 von 172 Content presentation ............................................................................................... 68 5.2.1 Experimental setup ........................................................................................... 68 5.2.2 Test materials ................................................................................................... 69 5.2.3 Investigation methods ...................................................................................... 70 5.2.4 Test procedure ................................................................................................. 71 5.2.5 Possible microbiological conversions at hydrogen exposure ........................... 74 Results and conclusions .......................................................................................... 77 5.3.1 Hydrochemical analyses .................................................................................. 77 5.3.2 Gas analyses .................................................................................................... 79 5.3.3 Characterization of the microbial consortium ................................................... 84 5.3.4 Conclusions ...................................................................................................... 85 Reference to publications and other documents ..................................................... 86 List of references ..................................................................................................... 86 Contact details ......................................................................................................... 87 6 Material integrity in hydrogen-loaded gas storage facilities ............................................. 88 TasKs of metallic materials ...................................................................................... 88 Content presentation of metallic materials .............................................................. 88 Results and Conclusions of Metallic Materials ........................................................ 92 6.3.1 STTs ................................................................................................................. 92 6.3.2 CLTs ................................................................................................................. 95 6.3.3 Paging tests ...................................................................................................... 95 Conclusions on metallic materials ........................................................................... 96 TasK Cement ........................................................................................................... 96 Cement content presentation .................................................................................. 96 Results and conclusions cement ............................................................................. 97 Reference to publications and other documents ................................................... 100 Contact details ....................................................................................................... 100 7 Membrane technology in connection with hydrogen admixtures ................................... 101 TasK definition ....................................................................................................... 101 Content presentation ............................................................................................. 102 Results and conclusions .......................................................................................