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SUMMARY:EML Seminar: Geological storage of dihydrogen in deep aquifers
DTSTART:20260401T150000
DTEND:20260401T160000
DTSTAMP:20260924T053635Z
UID:bde3f2b96bdb5cef3e5c18033a2ed47a6baab4d8a6f422c17d5ebd7f
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Anthony Ranchou-Peyruse (webpage)\nUniversity of Pau\, Fra
 nce\nThe development of green hydrogen\, produced from renewable or low-ca
 rbon energy sources\, requires the development of large-scale\, safe\, and
  economically viable storage solutions. H2 storage in salt caverns has bee
 n known for about fifty years\, and depleted hydrocarbon reservoirs have b
 een the subject of several studies in recent years\, but we still have ver
 y little information on deep aquifers\, which would represent the largest 
 geological storage volumes. These oligotrophic microbial ecosystems host h
 ydrogenotrophic populations capable of interacting with stored gases (sulf
 ate reducers\, (homo-)acetogens and methanogens) and becoming artificial S
 LiMEs (Sub-Lithoautotrophic Ecosystems). Our studies suggest that microbia
 l communities responding to gas storage can durably alter the physicochemi
 cal conditions of the aquifer. Using high-pressure reactors\, we simulate 
 the three phases of these systems (gas\, water\, solid) in the presence of
  indigenous microorganisms. We study the evolution of the taxonomic divers
 ity of these communities\, as well as that of the three phases\, in order 
 to understand their dynamics.
LOCATION:GC B1 10 https://plan.epfl.ch/?room==GC%20B1%2010 https://epfl.zo
 om.us/j/63433287582
STATUS:CONFIRMED
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